The history of hospital beds is a testament to the ever-evolving nature of medical care and technology. Hospital beds, once simple structures with limited functionality, have transformed over the centuries to become sophisticated pieces of medical equipment designed to enhance patient comfort and aid in recovery. In this article, we will explore the fascinating journey of hospital beds through time, highlighting key milestones in their development.
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Ancient Origins:The concept of a designated space for healing dates back to ancient civilizations. In ancient Egypt, for example, beds with adjustable parts were used to provide comfort to patients. The Greeks and Romans also recognized the importance of proper medical facilities, using rudimentary bed frames to elevate patients and promote rest.
Medieval Period:During the medieval period, the care of the sick was often undertaken by religious institutions. Monasteries and convents had basic infirmaries where patients were provided with simple beds. However, these arrangements were far from the sophisticated hospital beds we know today.
Renaissance and Early Modern Era:The Renaissance brought about a renewed interest in science and medicine. With this came advancements in healthcare, and more attention was given to patient comfort. Wooden bed frames with straw-filled mattresses became commonplace in hospitals. However, these beds lacked the adjustability and features we associate with modern hospital beds.
19th Century:The 19th century marked a significant turning point in the history of hospital beds. With the rise of industrialization and advancements in engineering, metal bed frames and spring mattresses were introduced. This allowed for better support and comfort for patients. The recognition of the importance of hygiene also led to the development of more sanitary bed designs.
World War I and II:The two World Wars played a pivotal role in driving innovation in medical technology, including hospital beds. The need to care for wounded soldiers led to the creation of specialized hospital beds with adjustable features for different medical requirements. Electrically operated beds started to appear, offering greater convenience for both patients and medical staff.
Post-War Era:After World War II, the medical industry continued to refine and improve hospital beds. The introduction of electric controls allowed for greater customization of bed positions, enhancing patient care and recovery. Specialized beds for various medical conditions, such as traction beds and intensive care unit (ICU) beds, became more common.
Modern Hospital Beds:In the latter half of the 20th century and into the 21st century, hospital beds have become highly sophisticated medical devices. Features such as electric adjustment, side railings, integrated monitoring systems, and pressure-relieving mattresses are now standard. These advancements not only contribute to patient comfort but also play a crucial role in improving medical outcomes.
The history of hospital beds is a tale of continuous innovation driven by the evolving needs of healthcare. From simple structures in ancient times to the technologically advanced beds of today, the journey reflects a commitment to enhancing patient care and well-being. As medical technology continues to advance, it is certain that hospital beds will remain at the forefront of providing comfort and support to those in need.
The data presented in this study are available on request from the corresponding author. The data are not publicly available due to privacy issues.
Among the plethora of instruments present in healthcare environments, the hospital bed is undoubtedly one of the most important for patients and caregivers. However, their design usually follows a top-down approach without considering end-users opinions and desires. Exploiting Human-centered design (HCD) permits these users to have a substantial role in the final product outcome. This study aims to empower caregivers to express their opinion about the hospital bed using a qualitative approach. For a holistic vision, we conducted six focus groups and six semi-structured interviews with nurses, nursing students, social-health operators and physiotherapists belonging to many healthcare situations. We then used thematic analysis to extract the themes that participants faced during the procedures, providing a comprehensive guide to designing the future electrical medical bed. These work results could also help overcome many issues that caregivers face during their everyday working life. Moreover, we identified the User Experience features that could represent the essential elements to consider.
As addressed previously, the bed plays a central role in many healthcare environments. It represents the object with which caregivers and patients often interact. In our opinion, it is fundamental that its design encounters end-users needs in order to release part of the work-related stress from people who spend their working time in such stressful environments [ 46 , 47 ]. To the best of our knowledge, the literature lacks comprehensive work describing caregivers' opinions and needs regarding the medical bed. Therefore, this work aims to provide researchers and companies with a qualitative study that deeply explores this theme. The results will list modern electrical bed features' advantages and limitations, creating a valuable tool for analyzing bed-related caregivers' problems and providing guidelines for the future design of medical beds.
Despite its central role in caregivers' and patients' hospital life, the hospital bed has received little attention in HCD research for innovative features. Indeed, it is rare to find examples of complete design processes in the literature. One example is the extensive work conducted by Wiggerman and colleagues [ 33 ], where they described the design process starting from an observational study conducted in 29 hospital units in North America. After creating the prototype, they conducted multiple usability tests and concluded their work by listing the selected design features. More common are studies which describe performance tests of new innovative features and their use. For example, some studies tried to detect unchecked patients' bed exits and fall, since these are severe causes of injuries [ 34 ]. Hilbe and colleagues [ 35 ] developed a bed-exit alarm system, starting the design process by reviewing the literature and conducting open interviews with 12 nurses. They subsequently built a prototype that has gone through laboratory testing, in which they confirmed its usefulness in preventing falls. Another work by Wolf and colleagues [ 36 ] used the same methodology to test another similar system for fall prevention. An important theme is the maneuverability of the beds. A work by Zhou and Wiggerman [ 37 ] evaluated the brake pedal location with nine healthcare workers, establishing its design implications and the preferred height for the push handle. Another study by the same authors analysed the effect of two bed features (e.g., Trendelenburg position and maximum mattress inflation) on the caregivers' physical stress during typical patient repositioning tasks [ 38 ]. Some studies have explored the medical bed with subjective methods, for example, by investigating the caregivers' satisfaction with the hospital bed, highlighting how often the difficulty in maneuvering operations, transportation of patients and bed cleaning are the most physically demanding and troublesome tasks [ 39 ]. Another study pointed out the importance of technical support and user-friendliness to influence nurses in using the functions of the bed [ 40 ]. Another example is a semi-structured interview study that described bed comfort criteria to create an evaluation checklist [ 40 ]. Other examples in the literature describe similar features, but they look at laboratory testing without considering end-users [ 41 , 42 ] or involving novice participants [ 43 , 44 , 45 ].
The research subject of this study is the electrical medical bed and its design, whose modern history and related innovations have been explored in recent reviews by Ghersi [ 30 , 31 ]. He identified the electrical beds' origins with the invention of adjustable sides around and [ 32 ]. Following technological development, beds gradually transformed themselves into what he defines as Intelligent Mechatronic Beds. In modern electric hospital beds, software and hardware work together, allowing the bed and its components to move concertedly, thus integrating mechanics with electronics and computer science. Nowadays, the advanced versions of these tools usually present an electrical engine moving four different sections. The bed presents three articulated parts (back, thighs or upper leg, calves or lower leg) and a fixed central part. The latter prevents the mattress from deforming and guarantees an equal pressure distribution even if the movement of each section reaches its limit. Moreover, the leg portion of the bed is subdivided into thighs (upper leg) and calves (lower leg) sections. This subdivision allows a slight elevation at the knees level, permitting patients to reach a position similar to an armchair (chair position). Furthermore, modern beds present split side rails, four moving wheels with a brake, control panels for patients and caregivers, removable footboard/headboard and many other features depending on the production company.
In our study, we were interested in applying HCD in specific healthcare locations: hospitals and elderly retirement homes. These environments represent a challenge for HCD studies because of their complexity. Indeed, the literature presents some examples of studies that try to simplify and re-design them [ 19 , 20 ]. The employees that have to manage and face this complexity are mainly caregivers, often involved in HCD processes (e.g., discovering needs, end-user testing) for research technologies. In some cases, they participate in the early phases of a device's development, giving information about user requirements for specific technologies [ 21 , 22 , 23 , 24 , 25 ], while in other cases, they test the developed devices [ 25 , 26 , 27 , 28 ]. For a scoping review of health and medical device development, the work by Matinolli and colleagues can provide valuable insights [ 29 ].
The literature presents many examples of the exploitation of HCD. Indeed, many fields of activity experience the benefits of this approach, such as industry [ 7 , 10 ], education [ 11 ], Internet of Things technologies [ 12 ], transport and automotive [ 13 , 14 ], websites [ 15 ], applications for people with disabilities [ 16 ] and many others. Among these, one field that is receiving colossal attention is healthcare. For example, Harte and colleagues [ 17 ] proposed a structured methodology that could help designers follow HCD principles to consider user needs while maintaining a short development time. Their method was composed of three phases: construction of a use case document, expert usability inspection and end-user testing. They applied the method to a fall detection and prevention system, indicating that this methodology could be a good support for designing connected health devices. Moreover, public health projects are applying the HCD approach. In their interesting review, Bazzano and colleagues [ 18 ] indicated four global health contexts that exploited participatory design:
Both start with discovering users' problems. The difference between the two is that HCI aims to understand users' requirements, and DT instead stresses the concept of building empathy with them. The HCI process generally emphasizes the solutions' analysis, evaluation and testing, while DT focuses on profound observation and inquiries [ 7 ]. However, HCI has a more systematic vision of the design process due to its exploitation of golden rules and guidelines (i.e., Nielsen's 10 Heuristics [ 8 ]). The first step in the HCI process is the 'what is wanted' phase. In this phase, researchers investigate users to provide information about their needs using tools such as interviews (e.g., Focus Groups), user behaviour recording, document analysis and direct observation. Then the 'analysis' step collects and organizes the results to provide valuable insights for the 'design' phase and generate solutions. The designers often exploit early prototypes to test the users' interaction efficacy with the product and enhance its usability. This evaluation phase permits the study of issues with the prototype in the early stage of development and can be performed many times, creating an iterative process. The subsequent correction of the problems and assessing the prototype's efficacy and functionality bring the product to its implementation and deployment in the market [ 9 ].
Most of the time, research in this field has approached new feature development starting from designers' ideas. Many examples in literature follow this path, testing new features such as integrated toilets [ 2 ], systems to prevent bedsores [ 3 ], bedside angle measuring devices [ 4 ], and bed movers [ 5 ], to name just a few. Nowadays, human-centred design (HCD) is replacing this approach. In this new technology development vision, the innovation process actively involves stakeholders, empowering them by exploiting participatory methods from ideation to testing a new product. The human-centred design approach offers many advantages. One of the most important is the possibility of addressing real user problems and permitting people to have a substantial role in the design process outcomes [ 6 ]. Human'Computer Interaction (HCI) and Design Thinking (DT) are two slightly different design approaches that share this vision of understanding and observing users.
There are many instruments and devices present in hospitals. Many have become obsolete over time, but one will never go into disuse: the medical bed. The development of the modern hospital bed started between and , introducing adjustable rails. At the beginning of , the beds began to present three sections to allow both head and feet to be elevated [ 1 ]. In , the bed's equipment started to include electrical functions. Nowadays, almost all medical beds present side rails with control pads, three electrically movable sections, adjustable height and other features. The guiding concept behind this evolution was the creation of a tool to provide comfort to patients and reduce caregivers' workload.
To further explore the object of the study, we conducted six semi-structured interviews (INT) with bachelor students of nursing science (Female = 3, Mage = 27, SDage = 9.3). They represent the next generations of healthcare professionals, and their opinion could be an opportunity to provide new insight. However, despite already having at least three years of experience with the electronic bed, they were not part of a structured work organization, which was one of the criteria used in designing the FGs. For this reason, their experience was reported separately trough semi-structured interviews.
To this aim, participants were assigned to six FGs. Specifically, 3FGs collected nurses' experience (FG1-2) and that of healthcare assistants (FG5) who worked in different hospital wards. Two FGs involved professionals employed in institutions caring for fragile patients (i.e., an institution for the elderly in FG3 and an institution for disabled people in FG4). Finally, in the last FG6, we reported the experience of a group of nurses who provided home care assistance. The whole sample was composed of 29 people (Female = 19, Male = 39, SD = 9). Professionals had an average of 13 years of experience in healthcare (SD = 5.17), and they generally worked with electronic beds daily. However, only three participants reported that they had been properly trained to use the electronic bed during these years.
All the participants involved in the study were healthcare professionals from different working situations, namely healthcare institutions and hospitals. Daily, these professionals deal with a wide range of patients with different needs and problems. In our opinion, to encourage discussion, it was important that participants in each FGs belonged to the same structured healthcare facility (e.g., institution for the elderly, home care service). Their common experiences could be crucial in underlining their work limitations and criticalities regarding the electronic bed, providing solutions that can be adopted in a wide range of healthcare settings. Consequently, meeting professionals' different needs could lead to better care for their patients.
The FGs started by receiving the participants in a welcoming environment, where they could comfortably sit in a circle ( a,b). The objective was to create a place where participants felt equal and could freely express their ideas. They first completed the informed consent and a demographic questionnaire. Then discussion behaviour rules were listed. Food and water were at the participants' disposal for the entire duration of the discussion. Once the preparations were finished, the FGs took place.
In addition, a series of semi-structured interviews were conducted (6) to deepen the discussion of the topics. The researcher prepared the same list of questions above for FG. The interviews lasted an average of 50 min and were recorded in audio and video. The researchers followed the same analysis procedure as for FG.
Each focus group lasted on average 2.5 h, and was audio and video recorded to permit consequential transcription of the contents. The data analysis was carried out with thematic analysis [ 49 ]. The interviews were transcribed starting from the audio recordings. Afterwards, three researchers independently read all the transcriptions, defining and then discussing the emerging themes into which participants 'answers could be subdivided.
The FG was divided into two distinct parts. The first part of the FG start consisted of a rapid phase of acquaintance with a round of participants' names, followed by some easy and immediate questions (i.e., When was the last time you used an electrical medical bed? What are the actions that you often perform with the electrical medical bed?). This initial part was useful in breaking the ice among the participants and introducing them to the subject matter. Next, four questions explored the participants' wishes regarding the hospital bed and its impact on their work. We elaborated four questions starting from the work of Güzelbey Esengün [ 41 ] and colleagues, where they subdivided the bed-related arguments into five categories. We excluded economic-related questions because in Italy this is not a caregiver's responsibility. The four questions were concerned with the impact of the physical characteristics (e.g., height, weight, etc.), the materials used, the electrical functions (e.g., electric inclination of the backrest, lifting of the bed base, etc.), and any psychological feature able to give serenity to the operator. The birth of new ideas on the beds currently in use was stimulated during the discussion to find new proposals and possible adjustments.
This study utilized the Focus Group (FG) technique. This consists of forming a selected group of participants, usually homogeneous (e.g., sharing similar professions, backgrounds and experiences), to enhance their comfort during the discussion of a topic. A moderator is present to propose the questions, manage any problems among the participants, control the time of their interventions and maintain the discussion on the desired topics. Finally, an observer is instructed to pay attention to the non-verbal language of the participants to assist in moderating the debate. Health researchers have extensively used Focus Groups because of their capacity to generate ideas and identify issues [ 48 ].
During the discussion of the results, we will list every theme that describes a specific element or characteristic of the bed, providing valuable citations. We identify the number of occurrences in which the features appear across the different interviews/focus groups. For each theme presenting comments with more than three occurrences, we provide a graphical representation of the three most common comments and suggestions.
Regarding the physical characteristics of the side rails, the analysis highlights the first element of discussion in their composition (i.e., subdivided into two parts or as a single long side rail).
The participants indicated the multiple side rails as a positive element in 10 occurrences; among the advantages, they can facilitate hygiene procedures for the patient (FG1-P04: 'The split ones are comfortable for hygiene'), allow the creation of escape routes for tubes and drains, make restraint less evident (FG-P02: 'you can only pull up the side rails of the feet, keeping the head part raised and the patient still feels safer') and follow the movement of the backrest. However, a negative found for this type of side rail concerns the creation of spaces in which the patient could get stuck. The single side rail was considered as a positive element in six occurrences. Among the advantages of this type emerged the possibility of being lowered with a single gesture (INT-P06: 'Just one move to lower it'), preventing any cables from getting stuck or being cut (FG1-P02: 'Then in those no wires or drips got stuck') and removing the risk for the patient of getting stuck between spaces created by multiple side rails (FG1-P03: 'With those divided, halfway the space is a danger, they get stuck, it is an escape route'). However, there remains the possibility of the patient getting stuck between the boards that compose the side rail (FG3-P05: 'They get stuck in the space between the boards that make up the side wall').
Regarding their shape, according to the caregivers, they should be curved/rounded (FG6-P05: 'They don't have to be straight, which gives a sense of containment and suffocation, more dynamic'), and lower to reduce the height of a possible fall (INT-P01: 'If they are too tall some patients can climb over them and the higher it is, the higher the fall height'). In addition, they should physically support the patient (three occurrences). The participants showed the need to create support points for the movement of patients (FG5-P02: 'Good grip helps us to lift them'; INT-P03: 'It would be a support for the patient to hang on or sit down, they shouldn't hang on to the operator').
Regarding possible functions related to the side rails, some comments (four occurrences) that emerged during the FGs show the need to create an electric height adjustment mechanism (FG3-P03: 'Often with anti-decubitus mattresses, they are too low') or a manual one in case of need (FG4-P03: 'I would need a manual mechanism in case of need'). For their release/movement mechanism, it should allow lowering under the bed surface (eight occurrences; FG-P02: 'Closing under the support surface') to avoid accidents (two occurrences; FG1-P04: 'When they get off, they cut your feet, giving you a hit'; FG2-P01: 'Tall operators bang to maneuver in the center') and the creation of gaps between the bed and other supports (FG-P01: 'Even when they are transported by stretcher/bed or bed/bed, there is a big void'). Furthermore, the mechanism should be easy to use and manageable (three occurrences; FG5-P02: 'They should be easy to lift down, even for making the bed'), and equipped with an electric self-locking mechanism (three occurrences) and braked (FG-P03: 'Often it can pinch you'). Raising and lowering the side rails should require a fast single action (four occurrences; FG3-P02: 'That closes with a single action, which does not become difficult to raise and lower them'), operated with one hand (three occurrences; FG2-P02: 'The closure should be one-handed'). Finally, they highlight the need for an alarm for lowered sides (INT-P05: 'Maybe you pull up the banks, but you also pull down the sides, in which case you would be notified').
Caregivers have highlighted how the material that composed the side rails should be light (two occurrences) but resistant (five occurrences). The reasons are safety (FG6-P06: 'Often we are alone we have to put a lot of pillows between the person and the edge and they often hit knees etc. creating new injuries') and comfort (INT-P01: 'Patients put hands on them and feel a sensation that is not comfortable, icy or too hot or hard. It could also be therapeutic from a certain point of view, evoking good sensations'). Materials should be soft on the inside and padded (seven occurrences). Furthermore, they should be plastic, fireproof and possibly smooth (two occurrences; FG5-P03: 'Smooth would be practical to sanitize'). Furthermore, it was indicated not to use wood as a material due to matters of deterioration and hygiene (three occurrences, FG4-P02: 'The wooden sides with a single band, sometimes broke, maybe hitting the lifter. Here we talk more about materials, and some are poor'; INT-P02: 'I have seen some with wooden sides, but this is much less hygienic compared to plastic').
Regarding the psychological impact of the side rails, they have been seen as elements that give safety to the patient and the operator (four occurrences; P05-INT: 'Sometimes they give a sense of safety, even for operators'). On the contrary, other participants indicated that these were a limitation to the patient's freedom since they give a sense of being in a cage (seven occurrences; FG3-P02: 'Sometimes they represent a limitation of freedom'). For this last problem, the use of sides without holes (two occurrences; P01-INT: 'Very beautiful modern sides, perhaps if they could be full and not angular') or transparent was proposed. Finally, they proposed avoiding the use of straight bars (FG6-P05: 'they don't have to be straight, which give a sense of containment and suffocate').
To summarize, based on comments' frequency we can say that professionals recruited prefer to work with split side rails, with a soft part inside to avoid patients' injuries. It seems also important that the release mechanism of the side rails should be hidden. The suggestions with more occurrences are described in .
Open in a separate windowRegarding the physical features of these components, they should be a low bulky component of the bed (two occurrences; FG1-P06: 'It is still a nice piece, heavy, and then cluttered, you no longer know where to put it'). They should also be able to accommodate accessories and shelves of various types (two occurrences; INT-P02: 'Headboard/footboard with elements for hanging devices to be used concurrently').
The footboard and headboard should be removable (four occurrences) for caregivers' comfort and safety (FG1-P03: 'It becomes safer for me too, it's a convenience'). One comment further proposed that these bed elements could become interchangeable (FG2-P02).
The material of these elements should be light (three occurrences; FG2-P03: 'They should be detachable light pieces') and softer to avoid injury (two occurrences, FG4-P05: 'Maybe even a softer material, because they hit their heads').
From a psychological point of view, these elements of the bed should be quick to detach for the operator (three occurrences; FG6-P03: 'I should be able to lift it and quickly access the lower and upper limbs') and comfortable for hygiene (two comments; INT-P01: 'For various needs, orthopedics and machine encumbrance, cleaning even under the mattress'; FG5-P02: 'They are easily washable due to removal, they are practical for hygiene') and for various therapies (FG1 -P03: 'We often work from there, it becomes safer for me too, it's a convenience').
Therefore, looking at the frequency of comments regarding the headboard/footboard, we can say that the most desired qualities of the bed are removability and quick release, but also lightness of material.
The suggestions with more occurrences are described in .
Open in a separate windowThe bed surface, the plan that supports the mattress, has also been mentioned (three occurrences) because it is an element particularly prone to getting dirty (FG6-P03: 'It takes liquids of all kinds'). Therefore, the participants would like solid bed surfaces without holes (two occurrences; INT-P01: 'All grooves should be covered to facilitate cleaning'; FG4-P02: 'Large holes, like normal bed bases, do not allow to put anti-decubitus mattresses').This has to be waterproof (FG6-P03).
As for the materials, the composition of the bed surface's cover should be smooth plastic (FG3-P01), resistant (FG6-P02) and fixed (FG6-P05: 'Not that it wobbles as soon as you move it').
Participants indicated that integrating electric sockets to the bed could be helpful for attaching various instruments (five occurrences) and overcoming issues with cables (five occurrences, FG1-P02: 'Often by moving the sides or other, the plugs disconnect'; FG4-P05: 'No more cables can be added').
Regarding the patient, the participants indicated as useful a socket in the internal part of the bed, reachable by the patient, because if placed externally it could be uncomfortable (INT-P04). Moreover, they indicated placing it on the head part of the side rails (two occurrences, FG3-P02: 'Then the socket should always be on the head side; instead, they are all on the foot side'). In addition, participants proposed magnetic loading (FG2-P02). The participants suggest integrating more plugs to connect the anti-decubitus mattress (FG2-P02: 'when I did orthopedics, if there was an electric bed, you did not have the anti-decubitus mattress because the bed was connected to the plug and then it happened that in the operating room came the ward bed with a different socket and you had to go in search of the adapter, which cannot be used because it is not standard. Then, you have to contact the mattress manufacturer to change the plug') to attach various electrical tools while moving the bed (three occurrences; INT-P04: 'Possibility to use tools even while on the move') and for USB devices of patients (two comments; INT-P04: 'Increased comfort for the patient').
Regarding the electric cables, the participants expressed the need (two occurrences) to hide them to reduce wear and improve aesthetics (FG4-P02: 'The cables have to be hidden, often they are exposed and wear, could be cut'; FG5-P01: 'When you move beds they often go under the wheels'; FG4-P02: 'Cables should be hidden for aesthetics and patient safety').
From a functional point of view, the participants highlighted as a practical function the alarm that occurs when the bed electrical plug is disconnected (INT-P03: 'Excellent functions, not in all beds but most cases it is the fact that they sound when they are disconnected from the current').
Furthermore, the autonomy of the bed battery received opposite evaluations. On the one hand, it is perfectly adequate (two occurrences; INT-P01: 'Exceptional autonomy'; FG5-P03: 'Never been a problem'), and on the other hand, it needs improvements (FG2-P03: 'We need more autonomy in travel'). In any case, the autonomy of the battery must be adequate to exploit the bed's functions also when it is unplugged from the current (INT-P02: 'It must have a certain autonomy even when disconnected from the current as its functions are very useful also for example when entering the elevator'). A possible solution to overcome the problem is an external battery to activate when moving the bed (FG2-P01: 'It would be nice to have a small auxiliary battery that allows you to be a support to move').
So, based on the frequency of participants' comments the electrical system should be integrated to the bed and should have multiple plugs. The suggestions with more occurrences are described in .
Open in a separate windowAlthough not strictly part of the bed structure, participants often cited accessories as practical elements for their work. In general, the bed should be flexible in supporting the operators and able to accommodate a great variety of accessories to use in various situations (two occurrences; INT-P02: 'It must allow the installation of other devices'; INT-P02: 'Maybe also that allows you to install applications, devices, such as drip poles, very useful things not so much when the patient is in the ward but during transport, which is a very useful thing'; FG2-P02: 'It should be adaptable to many accessories, to reduce the effort of adapting it to different instruments'; FG2-P03: 'I also thought that many patients stay in orthopedist ward, and have external instruments. Sometimes using these and making them sit comfortably is difficult. You find yourself in difficulty with back and foot positioning, and sometimes you can't because the mattress doesn't allow it. So, personalizing the final part of the bed is important. Because then you need to re-adapt a series of non-functional conditions. Maybe support for accessories on the footboard is missing').
One of the accessories taken into consideration by the operators is the IV pole, which is considered convenient and useful (four occurrences; INT-P04: 'The pole can be a reason for peace of mind because it removes problems with needles and movements with wires attached to the patient'; INT-P05: 'Also keeps instruments out of reach of the patient'). For the participants, the bed should integrate the pole, which has to be adaptable (five occurrences, INT-P02: 'The IV pole should be foldable, integrated into the bed. Attached to the bed, it would allow it to be used while moving it, and if it were integrated, I would not have to go looking for it'; INT-P04: 'Very useful, they must be flexible for different uses or heights...they are not always standard, they should always be present, even in the nursing home bed'; FG2-P02: 'The IV pole should be telescopic'; FG5-P02: 'It should be easier, more flexible the exchange between IV poles and poles for the triangle'), and resistant (two occurrences; FG5-P01: 'They are often fragile, maybe you put the nutrition bags and the stakes because those are heavy'; INT-P04: 'Put the nutrition bags, the poles break easily').
The participants negatively mentioned the hooks for the diuresis bag several times (six occurrences). Their positions are often too low, causing the bag to touch the ground (six occurrences; FG6-P05: 'The holder is too low'; FG5-P02: 'The attachment of the diuresis bag is not practical, we need a hook to hold it up. Because when you lower the bed, it goes too low for those bags, and they touch the ground'; INT-P04: 'It is difficult to find a position where it does not touch the ground and is low enough to operate'). Precisely for this reason, they expressed the desire for a higher or adjustable attack (FG6-P05: 'Even the pole they put on beds is sometimes too low, it is so low that you must always remember to pull it up. It has to be adjustable so that I don't have to pull it up or put the bag on the patient') and to make it standard equipment (INT-P02).
Furthermore, participants suggested the integration of shelves and various types of storage compartments (four occurrences, INT-P03: 'The objects should be inside the figure of the bed, perhaps underneath, so as not to collide with external elements during the transport'; FG4-P05: 'It would take a space for the compressor of the anti-decubitus mattress, to store it safely and hidden', INT-P04: 'There could be a basket for patients, for their comfort'; FG5-P02 'Parrot carrier').
Accessories useful by healthcare personnel are also the anchors for restraint methods (four occurrences; FG1-P02: 'It would take a safe and comfortable point to reach. You can't do it on the edge because you risk breaking his arm'; FG5-P02: 'Regarding the hooks for restraint, it would take something more external, more under the bed, something that can be extracted'; FG3-P02: 'One thing that is missing is the possibility of putting a restraint belt, at least creating a mechanism to easily hook them. Now the process is very inconvenient').
The participants also mentioned the mattress and its size, which is often not the same as the bed. Therefore, they reported the need to have mattresses of the right size or to create aids to remove spaces and stop the patient slipping (four occurrences; FG5-P01: 'The beds are larger than the mattress, it always goes down. It always has a space where the mattress slides down'; FG3-P02: 'The beds and the mattress are sold separately, and for the mattress, which is sometimes wider than the bed, you ruin it with the side rails. You pinch it, it deteriorates'; FG6-P05: 'The mattress is small compared to the bed and voids are created'; FG6-P05: 'The mattress should have hooks to the bed surface because it often slides down together with the patient'; FG1-P01: 'We need a mattress already prepared for bed because changing it and ordering the right ones is a waste of energy, time and funds');
The triangle pole (two occurrences) is an accessory that the staff rated as uncomfortable (FG5-P02: 'The triangle is a bit uncomfortable at times'), heavy (FG1-P03: 'Then there is the pole of the triangle which is very heavy. It indeed has to hold the patient, but it is dangerous') and which needs to physically support the patient's movement (FG5-P02: 'Like the triangle, something to support them to cling to because you cannot leave the triangle there because it is dangerous').
The headrest (two occurrences) has been cited as a support for the patients' hair washing (FG-1P05: 'Hair washing was not provided, it would take a headrest, like hairdressers. An accessory') or to support comfort (FG3-P03: 'A headrest to support the patient').
The participants also proposed a bed-wall spacer (two occurrences; FG4-P02: 'Something we need to distance the bed from the wall to prevent it from banging, perhaps vertical wheels to slide on the wall').
Some comments emerged regarding the blanket's lifter (three occurrences). The participants want it integrated into the bed (three occurrences; INT-P06: 'The idea that I could put some kind of extractable structure from the bed that can be composed but that it is already integrated into the bed') and electrically adjustable (two occurrences; FG6-P02: 'The height of the blanket lifter, which is adjustable so that I don't have to pull it up and put it on the patient'; FG4-P02: 'The lift blankets, it's not a quick thing to take off, you usually leave it there even if you don't need it. Also, when you make the bed, it's not nice to look at. So it would be convenient').
The participants also proposed less bulky bumpers wheels (one occurrence; INT_P02: 'They must not clutter up because the operators hit us in agitated moments. Then they must not let the patient feel the impact').
The participants also find it useful to add an armrest for patients (one occurrence; FG6-P02: 'When I have to take a venous route or similar, it would be useful to have a support for the patient's arm') and an attachment for the anti-decubitus mattress (one occurrence; FG5-P02: 'We use MAD a lot, we have the motor to support. We put it where the large remote control of the bed rests, and it just sits there. Maybe a longer space because they don't fit together, it's not very practical').
Finally, it was highlighted in five comments how the bed-to-bed or bed-to-stretchers spaces cause discomfort among the operators (five occurrences; FG3-P03: 'Gaps are created between the bed and prams/stretchers'; INT-P04: 'Systems for the interaction between the two are non-existent'). Participants expressed the desire for systems to facilitate this transition of the patient (INT-P04: 'It would take a system to be able to move the patient easily'; FG2-P01: 'It would take a support base for lateral movement'; FG3-P03: 'We need an adjustment in the support surface change'). One of the causes is the space required for the vertical descent of the side rails (FG1-P01: 'Even when transported by stretcher/bed or bed/bed, there is a large void').
Finally, the participants reported that the base of the bed could represent a potential obstacle to the operator's work (INT-P01: 'Often it is an obstacle for patient lifting trolley').
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Therefore, the most desired accessories based on the frequency of participants' comments are the integrated attack of the diuresis, the bed/stretcher transfer system and an integrated IV pole. Suggestions with more occurrences are described in .
Open in a separate windowThe participants reported the height adjustment of the lying surface as a central function for the work and comfort of the operator in nine interviews, underlining several related fundamental aspects. In particular, they highlighted the possibility of setting a minimum height as an element related to patient safety (two occurrences; FG3-P01: 'It is essential to reach a minimum (30 cm) for the patient's height') and the need to increase the height adjustment range (INT-P04: 'It is important perhaps to extend the range in which the bed can actually get up'). Several participants (four occurrences) proposed increasing the speed of the movement in height adjustment (FG6-P02: 'A little faster, yes. The whole movement requires a few seconds'). However, some participants suggested that a greater speed could also disorient the patient (two occurrences, FG6-P01: 'Many could certainly be disoriented').
In addition, a participant expressed the desire to have a function to automatically adjust height during dressings (FG6-P01: 'I would like a function that when you get to the moment you need to reach out to the patient helps you adjust the height').
Finally, regarding the psychological aspects related to the patient, the possibility of independently adjusting the height of the sleeping surface is perceived as an element of participation (INT-P05: 'Patients could feel more involved if they can change the bed height').
The suggestion with most occurrences was the adjustability of the bed height, as described in .
Open in a separate windowHealthcare professionals reported several comments regarding bed functionality to support the patient's posture.
They indicated the inclinometer because of its usefulness (INT-P02: 'It would be useful to make sure that the patient is straight because if, for example, the patient is in Trend, he slips, so I would need an indication when I reach 0°') and talk about its position, proposing a location on the foot side rail (FG1-P02: 'The problem is where it is placed, on the patient's head it doesn't help, on the feet it would be much more useful'). However, participants highlighted that a protractor showing the bed and backrest inclinations could avoid the patient slipping at the foot of the bed (INT-P02: 'Often, due to inattention, a few degrees down or up is left. In practice, the Trend position does not return perfectly horizontal. It is useful to have the indication of the entire bed plus the backrest to avoid whatever problem'). Moreover, the classic inclinometer, which generally works with a sphere that runs on a lane that indicates the degrees, could present many issues (FG-P02: '30° is not always enough, doctors often ask for particular degrees and to do so I have to see the ball, which fits and is not very smooth'). In addition, participants expressed the need for improvements in inclinometer reliability (FG1-P04). For a better view, a small light has been proposed that indicates the degrees of inclination (FG5-P02: 'There is also the small light that tells you how many degrees you stopped').
Regarding physical elements supporting the adjustment of the patient's posture, the participants also reported (three occurrences) the need to increase the number of sections (FG3-P04: 'Not adaptable to all heights; FG3-P03: 'Creation of multiple postures'; FG3-P02: 'Cervical section for patient comfort and hypertension prevention'; FG2: P04: 'Increase in section number to help the patient find the right position').
As for the functionality of the different sections, several comments (three occurrences) highlight the usefulness of handling the various parts of the bed. In general, this possibility could reduce fatigue (INT-P02: 'I'm more serene because I don't break my back') and promote patient independence (FG3-P05: 'It certainly promotes self-sufficiency'). Some comments (six occurrences) show that the sections' movements appear particularly slow, increasing the time spent on activities other than patient care (FG2-P02: 'Having them faster for the operator would optimize time and practicality'). Even in this case, however, the participants indicated that these movements should not be too fast or abrupt in order not to disorient the patients (INT-P02: 'The movement should be gentle, not rude', FG5-P02: 'Also the speed, but not for the backrest, the movement must have a certain regularity. But to get the bed up it should be faster').
Staff also reported other features to support patient posture. In particular, the 'Trendelenburg' movement was mentioned in seven interviews, four of which highlighted its usefulness as a function (four occurrences; FG5-P02: 'It is convenient... even for doctors when the patient is sick'; INT-P01/P04/P05: 'Convenient'/'Important'/' Used'). Participants also highlighted that the Trendelenburg's primary function is bringing patients to the head of the bed with less effort, solving the problem of the patient sliding to the foot of the bed and reducing the fatigue of the staff (FG3- P05: 'Generally used to raise the patient', FG5-P01: 'The trend to avoid slipping'). Some participants also expressed the desire for this function to act autonomously (FG6-P02: 'I would like the bed to tilt and use gravity to reposition the patient on its own') or to work even at minimum height (FG1-P04: 'A small inclination would be enough without all that height');
The participants mentioned 'lateral tilt' in five interviews, referring to it as a help in repositioning patients to prevent pressure sores or to facilitate the insertion of medical devices (five occurrences; INT-P01: 'Move the side parts to prevent decubitus and insert aids'; FG6-P02: 'Also to turn the patient on the side, having the bed tilt to one side would help me'; FG5-P03: 'It would help me turn them on my side'). The participants also considered important the 'Fohler' position. The inclination of the backrest could be particularly useful for allowing patients to eat comfortably (five occurrences; INT-P04: 'Useful for eating'; FG5-P02: 'Good because if they have back problems, it is useful'). The participants reported its usefulness to support the patient's exit from the bed (two occurrences; INT-P03: 'Support to the patient to stand straight') and to reach a sitting position for therapeutic and comfort reasons (FG5-P01: 'They breathe better, eat better, sit well, comfortable').
Participants reported functions not yet implemented, such as the possibility of putting the bed in a 'standard position' decided with the manufacturer and reachable with a single press on the push-button panel (FG2-P02: 'Reset to a position established with the manufacturer'), the electrical moving of the leg part of the bed (FG3-P05: 'It could be useful for unloading') and the scissor opening of the leg section (FG6-P01: 'I see a bed that can open as if they were two legs, to help me dress patients' legs'). A participant proposed a wave movement of the sections for patient repositioning (FG2-P02: 'You know I said that the more articulated the better. Think of it divided into ten pieces, with the ability to move like a wave going upwards and then bring the patient up').
A participant proposed an alarm to remember that a patient needs a change in posture (FG1-P05: 'Posture to the right and left I maybe forget, they should be moved after a while, so maybe think of a timer that says you have to move the patient').
From a psychological point of view, participants highlighted that a bed supporting patients' movement could reduce their discomfort (INT-P03: 'Patient discomfort when the nurse has difficulty in moving him'). In general, the movements of the bed are a factor important to the serenity of the operators (INT-P06: 'Then surely having a multifunctional bed which I can therefore manage according to my needs reassures me a lot. To be able to modify the instrument according to the patient's needs and the patient's needs that are related to the assistance I have to provide').
Therefore, participants' most frequent comments regarding the postural management highlighted the desire of participants for increasing the movement speed while the bed is changing position, but also the necessity of implementing the side tilt and the Fohler position.
Suggestions with more occurrences are described in .
Open in a separate windowA further topic reported in several comments from the health personnel concerns the commands that allow the adjustment of the bed through a remote push-button panel.
From a physical point of view, a characteristic discussed by the participants concerns its position. The participants indicated the integration in the bank on both sides as the best solution (three occurrences; FG5-P02: 'It's comfortable on the side'; FG1-P04: 'You can't put it on the other side because the cable doesn't reach it') to solve the wiring problems, which would tend to get stuck in the mechanisms of the side rails (three comments; FG1-P02: 'The wire gets stuck in the mechanisms of the side'). They are also concerned about the frequent falls of the push-button panel due most of the time to the breaking of the hooks (five comments; FG5-P02: 'Remote control is most often on the ground'; FG3-P04: 'It always breaks and you don't know where to put it'). In the case of control panels located on the side rails, they highlighted the importance of a blocking function for the patients (four occurrences, FG3-P01: 'On the side panel if you can deactivate it for the patient'; INT-P05: 'For some particular participants some functions must be blocked, for example those who have lesions at the base of the skull that cannot raise their head more than 30'). A further solution reported by the healthcare staff concerns using magnetic hooks (INT-P01: 'the remote control should be out or maybe having some hooks with a magnet').
The participants also proposed the building of a control panel that integrated other hospital commands (FG1-P02: 'I would also unify the remote control of the bed with that of the nurses that usually hangs on the triangle') and that applies to all beds (FG3-P01).
The buttons should be easy to use (five occurrences; FG5-P03: 'Sometimes the remote control locks themselves so it might take a simpler way to lock the keyboard'), intuitive (five occurrences; FG1-P02: 'Even overly stylized drawings do not understand them, then they call you to do so'; INT-P05: 'Have a guide to read to the patient'; FG1-P06: 'They don't understand that they must first turn on and activate the push-button panel'), reliable (two occurrences FG5-P01: 'At the moment they are not very reliable'), easily readable (INT-P05), large, soft (INT-P03) and not too flat (two occurrences, FG1-P02; FG3-P05). Participants reported the importance of constructing buttons resistant to wear (three occurrences; FG5-P01: 'Over time they wear out, they break'; FG6-P05: 'They erase, they wear out after even only one year') and to act more quickly (two occurrences).
The healthcare staff then highlighted how the number of the buttons should be less for the patient (three occurrences; FG5-P02: 'For example, raising the bed is dangerous for them') and that a backlight could be useful (two occurrences; INT-P01: 'Dim lighting, it must not bother the patient'; FG5-P03: 'I would like the lights behind the buttons...I think they go haywire if you leave it on all the time, it must turn on request'). Participants reported a problem with losing grip when using the remote control (three occurrences; FG1-P02: 'You can easily lose your grip'). In addition, sound feedback has been proposed when pressing the keys (FG1-P02).
Furthermore, the healthcare staff proposed a wireless keypad (two occurrences), the possibility of controlling the bed with the feet (FG5-P02: 'We often have our hands full') and voice command for hygiene questions (FG5-P02: 'the voice command would be beautiful, it would be very helpful in the hospital. Also, because the remote control is dirty, it would also be more hygienic'). Similarly, they proposed a touch screen control panel (FG2-P02: 'To avoid wear on the keys and with the recognition of the user who uses it to distinguish operator and patient') or controlled through applications from a tablet/ (FG6-P05).
Regarding the materials, the healthcare staff mainly referred to wear resistance, particularly the colours of the icons and the plastics that composed the remote control. They need to be resistant to shocks (three occurrences) and disinfectants (FG6-P05: 'Maybe I would add washing instructions'), perhaps thanks to a resistant rubber cover (two occurrences, INT-P06: 'The sheath is sometimes severed'). It would also be important that the materials are easily washable.
Regarding the functional properties of the push-button panel, the healthcare staff proposed a distinction between the functions available to the operator and the patient (two occurrences; FG2-P02: 'commands should be different between patient and operator'; INT-P01: 'Button panel that can be disabled'). The functions should be less for the patient (two comments, FG3-P05: 'Patients often find remote controls with many functions that it is difficult to understand', FG3-P01: 'Patients often find remote controls with many functions that struggle to understand'). The participants then addressed the need to save favorite commands (FG2-P01: 'Personalization with a badge that I insert and find my favorite functions') and to activate multiple functions at the same time (three occurrences; FG3 -P02: 'I would like to move several parts at the same time with a single key'; FG5-P01: 'At the same time they do not go and we must coordinate'). They also highlighted the importance of replacing the remote control quickly if problems arise (FG6-P05: 'The remote-control jams from time to time and to replace it you have to detach and reattach the entire bed').
Psychologically, the remote control helps in the feeling of comfort for the patient (INT-P05: 'it helps to feel in control, more involved') and the operator if unified with the hospital systems (INT-P02: 'It is a comfort. However, it should be unified with hospital systems'). A comment also highlighted the importance of understandable icons consistent with those used in their context. Moreover, they found it important to highlight the potential of the hospital bed compared to the domestic one (FG2-P03: 'It should be easy to use and that it is understood that it is useful. It must be clear that the bed in your house does not give you these possibilities'). According to a comment, the patient's use of the remote control could help to involve him/her and decrease the staff's workload, although some functions would have to be blocked (INT-P05).
In summary, bed commands, if we look at the most frequent comments, should be intuitive and easy to use.
Suggestions with more occurrences are described in .
Open in a separate windowUsers exploited different versions of the nurse call bell. However, they expressed the need to change or modify it (four occurrences). Regarding patients, the addition of a microphone/intercom could allow them to communicate remotely with the ward staff (two occurrences, INT-P04: 'With an intercom, to reduce unnecessary interventions or understand where to act first'; FG6-P05: 'Intercom type. Maybe the caregiver wakes up as soon as he hears problems'). Furthermore, they indicated the possible addition of a video/monitor (FG1-P05: 'Because the doorbells often come off, they are old models'). Regarding its accessibility, the proposals were the implementation of voice command (FG1-P03: 'For the elderly, because if they were on the shore, they would not be able') or bed integrated buttons (FG1-P05).
Regarding caregivers, they reported the need to add a specific urgency alarm on the patient's bed (FG1-P03: 'An emergency alarm, because I always have the bell to call colleagues but if I have an urgency, I have to shout urgency, it will take a bell, a specific sound that for colleagues'). Furthermore, the doorbell was seen as an element capable of creating tranquility in the nurse's work (INT-P04 'the doorbell takes away a bit of anxiety'). In summary, the participants most frequent comment regarding the nurse call bell highlighted their dissatisfaction with those they have in their workplaces.
Several comments from operators highlighted the need to monitor patient parameters through sensors integrated into the bed (five occurrences, FG1-P01: 'Parameter detector incorporated in the bed'), and display data in an integrated monitor (four comments, INT-P04: 'Monitor with data and vital parameters of the person', INT-P05: 'If there was a way to integrate also a monitor, ECG, breathing, waking state').
Another tool mentioned by several caregivers was the weighing system, which was indicated as fundamental in two interviews ('FG1-P05: The weighing system is essential because you don't have to lift patients to weigh them. I had patients weighing 180 kilos'; FG5-P01: 'Doctors always ask for weight. Even for therapies, and I don't want to have to use the lifter'). The proposal for a catheter weighing system was also mentioned for its possible usefulness (three occurrences; INT-P03: 'I was thinking, for example, that the catheter was maybe attached to something, to a bed sensor so that the read can directly record even more precisely'; FG1-P05: 'Then I come from a reality where dialysis is needed').
Finally, the parameter detection for patients would also allow the implementation of alarms considered useful by the operators. For example, they indicated the bed alarm for patients' exit (four occurrences, FG5-P02: 'A bell when they put their feet out, a sensor connected to the bed that says there are particular movements', INT-P05: 'Many beds have alarms when they hear the patient get up') and for agitated patients (one occurrence, FG5-P02: 'or maybe agitated').
In summary, suggestions with more occurrences were the presence of patient monitoring and an integrated monitor, as described in .
Open in a separate windowRegarding the bed size, the main comments from operators concerned length and width. In particular, the participants expressed the desire to have extendable beds to adapt to patients (eight occurrences; FG3-P03: 'The bed must be extendable, also because the average height is higher than in the past'; INT-P05: 'Bed extension must be there to have more space for tall patients'; FG1-P02: 'There must be, but the mattress slips and is an inconvenience'), and to have wider beds (four occurrences). The main reason was increased patient comfort (four occurrences; FG3-P05: 'We often have overweight patients'; FG2-P01: 'For people accustomed to two squares which will have to stay a long time'). Furthermore, as regards the bed's width, a participant proposed the possibility of making it adaptable to the patient (FG1-P03: 'We would need a bed spreader. If I were in them, I would have claustrophobia'). Some have instead pointed out that the bed should be slightly narrower to facilitate movement across the doors (two occurrences; FG2-P04: 'Reduction in width for door passage'; FG5.P02: 'Often the rooms are small, and the bed is bulky').
In summary, the most frequent comments regarding bed size and the suggestions with more occurrences are described in .
Open in a separate windowSeveral participants reported that the bed should be as light as possible (eight occurrences; INT-P05: 'It must not be excessive, often the structure is very heavy'; FG2-P03: 'Usually two people have to move'; FG5-P03: 'It should be light, for maneuverability more than anything else'), especially as regards the removable components (one occurrence, FG2-P03: 'The single piece that I have to change in the case must be the light one. I have to be able to remove pieces such as back or footboard with ease, must be light').
On the contrary, some comments underlined the importance of the weight of the bed (four occurrences, FG1-P05: 'Electric beds should weigh, for me it is fundamental'), especially as regards the possibility of moving patients (one occurrence; FG1-P05: 'Weight is fundamental because if the bed weights it helps moving patients').
Finally, some of the participants did not consider the weight of the bed relevant if the maneuverability is not compromised (two occurrences; FG3-P02: 'If there are good wheels, it doesn't matter', INT-P05: 'Simple maintenance of the wheels could help').
Suggestions with more occurrences are described in . The frequency of comments highlighted that the bed weight should be minimized for the participants, even though it has been also suggested that the weight of the bed is an important feature for moving the patients around while on the bed.
Open in a separate windowParticipants' comments regarded both the brakes and the wheels of the bed.
The participants highlighted that brakes were adequate (three occurrences; INT-P01: 'That's okay'). Furthermore, they needed to lock all the wheels with a single brake (two occurrences; FG4-P02: 'single block for all wheels') located in an accessible spot.
Several comments on wheels highlighted the need for high maneuverability (six occurrences; INT-P02: 'They must be more maneuverable'; FG2-P02: 'The beds are difficult to move'; FG1-P05: 'They cannot be maneuvered alone'; FG5-P03: 'My ward is narrow, they are difficult to move').
Participants then highlighted problems and some possible improvements. For example, they are subjected to wear (FG2-P01). The main problems, according to the comments, concerned the movement of the bed, similar to a shopping cart (two occurrences, INT-P05: 'wheels like shopping carts'), and difficulties in turning (FG2-P02: 'go straight when cornering'). Participants then proposed multiple driving modes (FG3-P01: 'Four free wheels or with the two fronts locked to face curves or straights') and retractable wheels (two occurrences; FG4-P02: 'They would make the minimum height lower'; FG3-P01: 'They would promote the appearance of the bed in that of a house'). A further proposal concerns the presence of a fifth motorized wheel (two occurrences; INT-P03: 'The weight is often excessive') and the integration of shockproof materials (INT-P02: 'the wheels must be fully functional, the material has to absorb the shocks for when I skid so the patient does not have the feeling of having an accident').
The physical characteristics that seem to have the greatest impact on the maneuverability of the bed relate to its size and weight. Comments about these elements can be founded in the respective paragraphs.
In summary, the most commonly desired features for the electric bed movement concern improving wheels' maneuverability and reducing the bed weight (this feature is according to what has been highlighted in Section 3.12 about bed weight). Suggestions with more occurrences are described in .
Open in a separate windowParticipants cited many general characteristics of the materials that should make up the bed. According to them, these should be smooth (four occurrences), robust (seven occurrences) and easy to clean (10 occurrences).
The material most suggested by healthcare personnel is plastic (four occurrences) rather than metal, as it is antistatic (INT-P05: 'in plastic, for an antistatic issue, if an emergency happens and you have to defibrillate, and you made it in iron, you risk the propagation of the impulse for the patient attached to the bar with his hand. Obviously, if it conducts electricity, you may not have noticed it, but you are touching the bar, you also take it too'), a more welcoming element (INT-P05), more comfortable to the touch (INT-P03: 'Plastic materials rather than ferrous, iron is cold') and does not produce an anxious sound (INT-P04: 'Iron, creak, paint that goes away fuel anxiety').
Another material that the healthcare staff has advised against is wood (four occurrences), both from a hygienic point of view (INT-P02: 'Wood finishes: less hygienic than plastic, it is damaged more and more aggressive products must be used to sanitize') and because of its fragility (four occurrences, INT-P05: 'The maintenance that must then be done in the wooden ones is absurd because obviously, the wood ruined fast, the wood breaks'). One comment proposed using plastic-coated metal materials as a solution, creating a robust and antistatic structure (INT-P05: 'Maybe you know it is easier for plastic to break than iron, but maybe an iron covered with plastic would be it would be better').
The colours should be resistant to wear both for aesthetic and patient safety issues (five occurrences; INT-P02: 'They must resist maintenance and wear'; FG1-P02: 'They must also resist gastric materials, sometimes we have nasogastric tubes and acidic material comes out and the stain remains even if you wash with bleach'; FG2-P02: 'Plastic with single paste color, resistant to scratches'; FG6-P01: 'That the color does not melt in the heat maybe and that they cannot release toxic substances, resistant to disinfectants').
As far as the shape is concerned, the comments of the healthcare staff showed that it is necessary to minimize the edges and cracks for hygiene (four occurrences) and make sure the structure is composed of a reduced number of elements (INT-P04: 'Few to clean easily and prevent infections') which, if covered by a covering (two occurrences) or removable, would facilitate their sanitation (three occurrences). Furthermore, the shape of the bed should be subordinated to its functions (INT-P02: 'Not essential but must be subordinated to functions').
The most cited qualities of the electric bed highlighted the participants desire for easy to clean and robust materials with wear-resistant paint, as described in .
Open in a separate windowRegarding bed maintenance and assistance in case of malfunctioning, several comments concerned the need to have manual control of the electrical movements. In case of broken electrical engines or commands, caregivers must not lose control of the bed (nine occurrences; FG1-P05: 'Maybe foresee that if something breaks there would be a manual mechanism, an emergency lever', FG4-P03: 'Manuals even in case of problems', INT-P01: 'Like the CPR lever, to get up quickly without remote control'). Furthermore, the participants suggested the possibility of removing the single defective elements to be repaired or replaced without having to stop the use of the entire bed (three occurrences; FG2-P02: 'Interchangeable, which if a piece breaks, you detach it and change it immediately').
Regarding the implementation of functions related to bed maintenance, the participants proposed a sensor that detects failures (one occurrence; FG1-P05: 'When the bed breaks, it is not possible to think of something, a sensor, which signals the problem?') and an automatic alarm for assistance in case of failures (one occurrence; FG1-P02: 'There could be something that gets the signal to the company and they know they have to do this without making emails, requests, etc.'). To summarize, the most frequent comment highlighted that a manual control should be present in case of malfunction of the electrical system.
Several participants mentioned aesthetics as a fundamental element for patient comfort. In particular, a central aspect concerned the possibility of making the appearance of the bed less hospital-like and more similar to a domestic bed (four occurrences; FG2-P03: 'You must also make it beautiful to the eye, with something familiar, which leads back to the domestic context, remaining in a hospital context'). In particular, according to the participants, the appearance of the bed should be modern (one occurrence; FG3-P03: 'Positive feeling due to being on a technological object for comfort') and with a rounded structure (1 occurrence; INT-P01: 'Make the surfaces a bit like to say rounded and smooth a bit everywhere'). Participants also addressed the possibility of hiding some elements, such as mechanical parts (one occurrence; FG3-P02: 'Then also cover the mechanism of the bed, it should not be visible') and wheels (one occurrence; FG3-P01: 'Even retractable wheels do a lot, you have a bed with four legs'). In addition, four participants proposed colored or oddly shaped beds for children (four occurrences; FG2-P02: 'For children full of drawings, possibly even with strange shapes just the bed', FG6-P05: 'We can also have children as patients, giving them a colored one would be more cheerful').
Regarding the color of the bed, most of the participants proposed avoiding brilliant colors and choosing instead warm and relaxing ones (eight occurrences; INT-P04: 'They create a welcoming environment, they must be simple and relaxing, make you feel like at home'; FG6-P01: 'Maybe pastel colours', INT-P03: 'If not too strong they can help to give serenity') or shades (one occurrence; INT-P05: 'A little more nuance that at least, I'm not saying it makes you feel at home (...) but at least you look at yourself in your bed and have this feeling of welcome for a moment'). Finally, participants underlined the importance of choosing a color that complements the appearance of the room (two occurrences; FG6-P03: 'That fits well into the room', FG4-P05: 'The top would be the bed in the same color as the wall'). Many participants indicated fake wood as the color that better simulates a domestic environment (six occurrences; INT-P04: 'Making them like wood to give a sense of home, clean and tidy'). Some participants also suggested avoiding white because it is more prone to getting dirty/stained (two occurrences, FG6-P02: 'I would avoid white because it gets dirty', FG2-P04: 'Even the color of the bed may not be white').
In summary, the most frequent comments about the electrical bed aesthetic highlighted that it should be colorful but also have a domestic look. Suggestions with more occurrences are described in .
Open in a separate windowThe participants proposed several lighting systems for integration into the bed. The first was a soft night light proposed for patients' well-being and to support caregivers' work (five occurrences). They also proposed a courtesy light to support the work of the operators (two occurrences; INT-P05: 'A light would be useful because it often bangs on the bed at night'; FG6-P04: 'We often call the caregiver with a mobile but having a mobile light would be better, perhaps with a flexible rod. Also, for blood sampling') and a system to illuminate catheters or bags (two occurrences; INT-P01: 'Lights aimed at the catheters to identify their position'; FG6-P03: 'A light under the bed to see the state of the urine bag').
For patients, participants proposed an external courtesy light for getting out of bed (three occurrences; INT-P01: 'Lights directed downwards, to reduce ambient light when they have to go out) or an internal one (five occurrences; INT-P03: 'An adjustable reading light'; INT-P05: 'An adjustable and customizable light would make them more involved'). The latter could make the environment more domestic and welcoming for the patient (two occurrences; INT-P05: 'Little things that make them feel, I don't say at home because obviously, patients will never be able to feel at home, but at least a little more comfortable'). However, several comments underlined the importance of being able to adjust or keep the intensity of the lighting low, to avoid disturbance or discomfort to other patients (four occurrences; INT-P04: 'That it is more adjustable because sometimes they make a light and there are patients who want to sleep with light, patients who want to sleep without light').
In summary, the suggestions with more occurrences are for integration of night lights and that lights should be at low intensity, as described in .
Open in a separate windowFinally, the participants proposed accessories/functions to promote the patient's well-being and relaxation. Firstly, they proposed the installation of a screen for video calls (FG5-P02: 'A small screen where they can see something or make video calls'). Moreover, they proposed the addition of a surface for putting a television on the bed (FG4-P02: 'A TV stand that can be raised/lowered, perhaps at the foot of the bed').
In addition, the participants suggested the implementation of an audio system (four occurrences; FG5-P02: 'Having a relaxing music on the bed, already inserted in it could perhaps relax them. Maybe something background, personal for not annoy others in the room', FG6-P04: 'Also an integrated radio', FG6-P03: 'Bluetooth connection with two speakers'), and an intercom system for children (one occurrence; FG6-P05: 'An intercom-type microphone for children so I hear that it happens even if I sleep in another room. Maybe the caregiver wakes up as soon as he hears problems').
The suggestion with most occurrences for an integrated audio system for patient relaxation. as described in .
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