Multifunctional auxiliary support for bedridden patient

Abstract

The multifunctional auxiliary support for the bedridden patient comprises a support body, a backrest, a seat cushion and a waist protection back cushion, the seat cushion and the backrest are arranged on the support body side by side, one end of the backrest is connected with the support body in a hinged mode, and an overturning driving mechanism connected with the backrest is installed on the support body. The turnover driving mechanism is arranged to be capable of driving the backrest to perform angle rotation so as to adjust the inclination angle of the backrest, the two side walls of the backrest are each provided with a handrail, and the cushion is detachably connected with an anti-skid pad. A patient can put hands or arms on the handrails to play a role in supporting when sitting up and after sitting up, the situation that the patient falls down everywhere is avoided, meanwhile, an anti-skid pad is matched, the patient is prevented from sliding down when sitting up for a long time, the comfort level of the patient is improved, and the health condition of the patient is guaranteed. A control button is arranged on the handle, so that the inclination angle of the backrest can be automatically controlled, and the patient operability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, in particular to a multifunctional auxiliary bracket for bedridden patients. Background Art

[0002] At present, there are some patients who need to stay in bed for a long time due to mobility problems. During the care of long-term bedridden patients, the bed body itself is generally provided with a lifting structure that can lift the head of the bed upwards so that the patient can sit up. However, the lifting structure is manually adjusted and requires help from others. The patient's operability is poor. When the patient sits up to eat or rest and watch TV, it is easy for the patient to fall to one side or slide down due to lack of physical strength or limited body function, which not only affects the patient's comfort but also may have an adverse effect on the patient's health. At the same time, at present, only the bed body itself has a structure that can lift the head of the bed upwards. When the patient moves to a resting place, the bed body is inconvenient to transfer and carry.

[0003] Therefore, there is an urgent need for a multifunctional auxiliary support for bedridden patients to solve the above technical problems. Utility Model Content

[0004] The utility model aims to solve the above technical problems, that is, to solve the problem that the existing lifting structures are all manually adjusted and require the help of others, which is difficult for patients to operate, and when patients sit up to eat or rest and watch TV, they are prone to tottering or sliding down due to insufficient physical strength or limited body functions, which not only affects the comfort of patients, but may also have an adverse effect on the health of patients. At the same time, at present, only the bed itself has a structure that can lift the head of the bed upwards. When the patient moves to a resting place, it is inconvenient to transfer and carry the bed.

[0005] To this end, the utility model provides a multifunctional auxiliary bracket for bedridden patients, comprising a bracket body, a backrest, a seat cushion and a lumbar support cushion, the seat cushion and the backrest being arranged in parallel on the bracket body, one end of the backrest being hingedly connected to the bracket body, a flipping drive mechanism connected to the backrest being installed on the bracket body, the flipping drive mechanism being configured to be able to drive the backrest to rotate at an angle to adjust the inclination angle of the backrest, handholds being respectively installed on both side walls of the backrest, an anti-slip pad being detachably connected to the seat cushion, and the lumbar support cushion being detachably connected to the end portions of the seat cushion and / or the backrest.

[0006] In the specific embodiment of the multifunctional auxiliary support for bedridden patients, a control button for controlling the action of the flip drive mechanism is installed on the side wall of one of the handrails, and / or

[0007] A flip positioning mechanism is provided at the connection between the handrail and the side wall of the backrest to position the handrail in a position parallel to the backrest and flip it toward the seat cushion to a position at a set angle to the backrest.

[0008] In a specific embodiment of the above-mentioned multifunctional auxiliary bracket for bedridden patients, the top of the handrail is provided with at least two sockets arranged along the length direction of the handrail, and the multifunctional auxiliary bracket also includes a foldable table top, and the four corner ends of the table top are respectively hingedly connected with plug rods that can be inserted into the sockets, and a limiting block is threadedly connected to the plug rod, and the diameter of the limiting block is larger than the diameter of the socket.

[0009] In a specific embodiment of the multifunctional auxiliary support for bedridden patients, the anti-skid pad includes a pad body and anti-skid protrusions, and a plurality of evenly distributed anti-skid protrusions are integrally formed on the top of the pad body.

[0010] In a specific embodiment of the above-mentioned multifunctional auxiliary bracket for bedridden patients, the bracket body includes a cushion bracket and a backrest bracket, one end of the cushion bracket is hingedly connected to one end of the backrest bracket, the cushion is mounted on the cushion bracket, one end of the backrest is hingedly connected to one end of the backrest bracket close to the cushion bracket, the flipping drive mechanism is mounted on the backrest bracket, and a support rod is fixed to the backrest bracket to support the backrest in a lying flat state.

[0011] In a specific embodiment of the above-mentioned multifunctional auxiliary bracket for bedridden patients, the cushion bracket is a frame-shaped structure, a storage box capable of storing the table top is fixed to the inner side of the cushion bracket, a receiving and releasing opening connected to the interior of the storage box is provided on one side wall of the cushion bracket, and a baffle capable of blocking the receiving and releasing opening is slidably connected to the side wall around the receiving and releasing opening.

[0012] In a specific embodiment of the multifunctional auxiliary bracket for bedridden patients, the anti-slip pad is connected to the seat cushion via Velcro, and the lumbar support cushion is connected to the end of the seat cushion and / or the backrest via Velcro.

[0013] In a specific embodiment of the multifunctional auxiliary support for bedridden patients, a headrest is fixed to one end of the backrest away from the seat cushion.

[0014] In a specific embodiment of the above-mentioned multifunctional auxiliary bracket for bedridden patients, the flipping drive mechanism includes a rotation drive assembly, a lead screw and a push-pull rod, the drive assembly is installed at one end of the backrest bracket away from the cushion bracket, the lead screw is rotatably connected to the inner side of the backrest bracket, a slider is threaded on the lead screw, one end of the push-pull rod is hingedly connected to the slider, and the other end of the push-pull rod is hingedly connected to the back of the backrest, and the support rod is located above the lead screw.

[0015] In a specific embodiment of the above-mentioned multifunctional auxiliary bracket for bedridden patients, the rotation drive assembly includes a protection box and a motor, the protection box is fixed to one end of the backrest bracket away from the seat cushion bracket, the motor is fixed in the protection box, and the motor drives the screw to rotate.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The multifunctional auxiliary support designed by the utility model is a separate and complete individual. When in use, it only needs to be placed on any bed. When not in use, the seat cushion support can be flipped toward the backrest support to be folded up, which takes up less space and is easy to carry and transfer. It can be used not only in the ward but also at home, and is convenient to use. By installing handrails on the two side walls of the backrest, the patient can put his hands or arms on the handrails to play a supporting role when sitting up and after sitting up, so as to avoid the situation of falling to the ground. At the same time, with the anti-slip pad, the patient can be prevented from sliding down when sitting up for a long time, which improves the patient's comfort and is conducive to ensuring the patient's health. A control button is set on the handrail, and the automatic lifting and tilt angle adjustment of the backrest can be realized by operating the control button. The patient has better operability and does not need the help of others, which is more convenient.

[0018] 2. A lumbar cushion is provided between the seat cushion and the backrest to protect the patient's waist and avoid discomfort caused by the waist being in an overhead state; the lumbar cushion can be removed without affecting the folding of the auxiliary bracket; the anti-slip protrusions are provided on the anti-slip pad to cooperate with the lumbar cushion, which can play a role in massage, anti-slip and anti-bedsore;

[0019] 3. By setting up a storage box and a table top, the table top can be placed on two handrails to place some items for use, which is convenient for patients to eat, work, etc. The storage box provides storage space for the table top without taking up extra space, which is convenient for patients to take and put without the help of others and avoids random placement that affects patients' taking. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings, in which:

[0021] Figure 1It is a schematic diagram of the overall structure of the multifunctional auxiliary support for bedridden patients provided by the utility model;

[0022] Figure 2 yes Figure 1 A schematic diagram of the structure in which the middle handle is in a retracted state;

[0023] Figure 3 yes Figure 1 A top view of the middle bracket body;

[0024] Figure 4 yes Figure 1 A schematic diagram of a structure in which a table top is placed;

[0025] Figure 5 It is a side view of the table top;

[0026] Figure 6 It is a structural schematic diagram of the backrest in a lying flat state;

[0027] Figure 7 It is a structural schematic diagram of the multifunctional auxiliary bracket in a folded state.

[0028] List of reference numerals:

[0029] 1. Backrest; 2. Cushion; 3. Bracket body; 31. Cushion bracket; 32. Backrest bracket; 4. Anti-slip pad; 5. Lumbar cushion; 6. Handle; 61. Socket; 7. Headrest; 8. Push-pull rod; 9. Support rod; 10. Protection box; 11. Storage box; 12. Screw; 13. Slider; 14. Baffle; 15. Table board; 151. First sub-table board; 152. Second sub-table board; 153. Rod; 154. Limit block; 16. Control button. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the system or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc., are used to define components, only for the convenience of distinguishing the above components, and unless otherwise stated, the above terms have no special meaning and cannot be understood as indicating or implying relative importance.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The utility model relates to the technical field of medical auxiliary equipment, and in particular to a multifunctional auxiliary support for bedridden patients. The purpose is to solve the problem that the existing lifting structures are all manually adjusted and require the help of others, which is difficult for patients to operate, and when patients sit up to eat or rest and watch TV, they are prone to fall or slide down due to insufficient physical strength or limited body functions, which not only affects the comfort of patients, but may also have an adverse effect on the health of patients. At the same time, at present, only the bed itself has a structure that can lift the head of the bed upwards, and when the patient moves to a resting place, it is inconvenient to transfer and carry the bed. For this purpose, the utility model provides a multifunctional auxiliary bracket for bedridden patients, including a bracket body 3, a backrest 1, a seat cushion 2 and a waist cushion 5, the seat cushion 2 and the backrest 1 are arranged in parallel on the bracket body 3, one end of the backrest 1 is hingedly connected to the bracket body 3, and a flip driving mechanism connected to the backrest 1 is installed on the bracket body 3, and the flip driving mechanism is configured to be able to drive the backrest 1 to rotate at an angle to adjust the inclination angle of the backrest 1, and handrails 6 are respectively installed on the two side walls of the backrest 1, and an anti-slip pad 4 is detachably connected to the seat cushion 2, and the waist cushion 5 is detachably connected to the seat cushion 2 and / or the end of the backrest 1, the multifunctional auxiliary bracket designed by the utility model is a separate and complete individual, which only needs to be placed on any bed when in use, and can be folded up when not in use, taking up less space and being easy to carry and transfer. The provided handrail 6 allows the patient to put his hands or arms on the handrail 6 for support when sitting up and after sitting up, avoiding the situation of falling to the left and right. At the same time, the anti-slip pad 4 can be used to prevent the patient from sliding down when sitting up for a long time, thereby improving the patient's comfort and ensuring the patient's health.

[0034] The multifunctional auxiliary support for bedridden patients provided by the embodiment of the utility model will be described in detail below in conjunction with the accompanying drawings.

[0035] See also Figure 1-3 The utility model provides a multifunctional auxiliary bracket for bedridden patients, comprising a bracket body 3, a backrest 1, a seat cushion 2 and a lumbar cushion 5. The seat cushion 2 and the backrest 1 are arranged in parallel on the bracket body 3, one end of the backrest 1 is hingedly connected to the bracket body 3, and a flip driving mechanism connected to the backrest 1 is installed on the bracket body 3. The flip driving mechanism is configured to be able to drive the backrest 1 to rotate at an angle to adjust the inclination angle of the backrest 1. Handholds 6 are respectively installed on the two side walls of the backrest 1, an anti-slip pad 4 is detachably connected to the seat cushion 2, and the lumbar cushion 5 is detachably connected to the end of the seat cushion 2 and / or the backrest 1.

[0036] Specifically, the lumbar support cushion 5 can be detachably connected only to the end of the seat cushion 2, or only to the end of the backrest 1, or can be detachably connected to the adjacent ends of the seat cushion 2 and the backrest 1 at the same time. The detachable connection method can be a Velcro connection, that is, the lumbar support cushion 5 is connected to the end of the seat cushion 2 and / or the backrest 1 by Velcro. The lumbar support cushion 5 plays a role in protecting the patient's waist and avoiding discomfort caused by the waist being in an overhead state. The lumbar support cushion 5 can be detachable without affecting the folding of the auxiliary bracket.

[0037] In one embodiment, see Figure 1 A control button 16 for controlling the action of the flipping drive mechanism is installed on the side wall of one of the handrails 6. The control button 16 can be used to control whether the backrest 1 is lifted and the tilt angle of the lift, which is suitable for the angle of the backrest 1 required for different patients to sit up, and realizes the automatic control function. The backrest 1 can be lifted and the tilt angle can be adjusted without the help of others. The patient has better operability and does not need the help of others, which is more convenient to use. The control button 16 can be divided into an upward flip button, a downward flip button and a power button. The flipping drive mechanism can be started by long pressing the power button. When it is started, the backrest 1 can be lifted upward to the required tilt angle by pressing the upward flip button, and the downward flip button can restore the backrest 1 to its initial position.

[0038] In one embodiment, a flip positioning mechanism is provided at the connection between the handrail 6 and the side wall of the backrest 1 to position the handrail 6 in a position parallel to the backrest 1 and flipped toward the seat cushion 2 to a position at a set angle to the backrest 1. The specified angle refers to the angle between the handrail and the backrest 1 after the handrail is unfolded, which can be flexibly set as needed, such as 100°.

[0039] It should be noted that the specific structure of the flip positioning mechanism is a known prior art to those skilled in the art. The present application only utilizes this function to realize the folding (folding means being in a laterally parallel state with the backrest 1, that is, the armrest 6 is parallel to the side wall of the backrest 1) or unfolding (folding means that the armrest 6 does not change after rotating from the side of the backrest 1 to the side of the seat cushion 2 to a specified angle) of the armrest 6 and will not be described in detail here.

[0040] In one embodiment, see Figure 1 , Figure 4-5 The top of the handrail 6 is provided with at least two sockets 61 arranged along the length direction of the handrail 6. The multifunctional auxiliary bracket also includes a foldable table top 15. The four corner ends of the table top 15 are respectively hingedly connected with an insertion rod 153 that can be inserted into the insertion hole 61. The insertion rod 153 is threadedly connected to a limiting block 154, and the diameter of the limiting block 154 is larger than the diameter of the insertion hole 61.

[0041] Specifically, see Figure 5The table board 15 includes a first table board 151 and a second table board 152. The first table board 151 and the second table board 152 are hingedly connected by hinges. The first table board 151 can rotate relative to the second table board 152 to achieve an unfolded or folded state. When in the unfolded state, the adjacent ends of the first table board 151 and the second table board 152 fit together to ensure the unfolding stability. Two of the rods 153 are hinged at the two corner ends at the bottom of the first table board 151, and the remaining two rods 153 are hinged at the two corner ends at the bottom of the second table board 152.

[0042] In the above embodiment, when the four insertion rods 153 are inserted into the insertion holes 61 and the limit blocks 154 are placed on the handrails 6, the height of the table top 15 is limited and cannot be moved downward, thereby realizing the function of installing the table top 15 on the handrail. In order to keep the table top 15 horizontal, the position of the limit blocks 154 can be adjusted by rotating the limit blocks 154, so that the length of the insertion rods 153 inserted into the insertion holes 61 can be adjusted, thereby realizing the function of adjusting the tilt angle of the table top 15, which is conducive to ensuring that after adjusting the tilt angle of the backrest 1 and when the handrails 6 are in a tilted state, the table top 15 reaches the purpose of being horizontal by adjusting the limit blocks 154. The table top 15 can be used to place some items for patients to eat and work.

[0043] In one embodiment, the anti-skid pad 4 includes a pad body and anti-skid protrusions, and a plurality of evenly distributed anti-skid protrusions are integrally formed on the top of the pad body. The anti-skid protrusions can be made of rubber or silicone material, which has good friction, and the gaps between adjacent anti-skid protrusions can play a role in ventilation and heat dissipation, so that the anti-skid protrusions can play a role in massage, anti-skid and anti-bedsore.

[0044] In one embodiment, the anti-slip pad 4 is connected to the seat cushion 2 via Velcro, which is convenient for disassembly, cleaning or replacement.

[0045] In one embodiment, see Figure 1-3 The support body 3 includes a cushion support 31 and a backrest support 32. One end of the cushion support 31 is hingedly connected to one end of the backrest support 32. The seat cushion 2 is mounted on the cushion support 31. One end of the backrest 1 is hingedly connected to one end of the backrest support 32 close to the cushion support 31. The flip drive mechanism is mounted on the backrest support 32. A support rod 9 is fixed to the backrest support 32 to support the backrest 1 in a lying position. The cushion support 31 is hingedly connected to the backrest support 32. When the auxiliary support is not in use and is stored, the cushion support 31 can be flipped toward the backrest support 32 to be folded up. Figure 7 As shown, the space occupied is reduced.

[0046] Specifically, see Figure 1-3The flip driving mechanism includes a rotation driving assembly, a lead screw 12 and a push-pull rod 8. The driving assembly is installed at one end of the backrest bracket 32 ​​away from the cushion bracket 31. The lead screw 12 is rotatably connected to the inner side of the backrest bracket 32. A slider 13 is threadedly connected to the lead screw 12. One end of the push-pull rod 8 is hingedly connected to the slider 13, and the other end of the push-pull rod 8 is hingedly connected to the back of the backrest 1. The support rod 9 is located above the lead screw 12. In order to prevent the slider from rotating with the lead screw, a guide rod can be set on one side of the lead screw. The guide rod passes through the slider, and the slider can slide along the guide rod. The guide rod is fixed to the inner side of the backrest bracket 32.

[0047] More specifically, the rotary drive assembly includes a protection box 10 and a motor. The protection box 10 is fixed to one end of the backrest bracket 32 ​​away from the seat cushion bracket 31 . The motor is fixed in the protection box 10 , and the motor drives the lead screw 12 to rotate.

[0048] In one embodiment, see Figure 3 The cushion bracket 31 is a frame-shaped structure. A storage box 11 capable of storing a table board 15 is fixed to the inner side of the cushion bracket 31. A take-in and put-out opening communicating with the interior of the storage box 11 is provided on one side wall of the cushion bracket 31. A baffle 14 capable of blocking the take-in and put-out opening is slidably connected to the side wall around the take-in and put-out opening. The storage box 11 provides a storage space for the table board 15 without taking up extra space, which is convenient for patients to take and put without the help of others and avoids random placement that affects the patient's taking. The baffle 14 is slidable by pulling to open or close the take-in and put-out opening. When it is opened, the table board 15 can be placed in the storage box 11. When it is closed, the table board 15 can be prevented from falling out of the take-in and put-out opening.

[0049] In one embodiment, see Figure 1 and Figure 2 A headrest pillow 7 is fixed to one end of the backrest 1 away from the seat cushion 2. When the patient sits up, the head can be leaned on the headrest pillow 7 to improve comfort.

[0050] It should be noted that a seat cushion 2 frame is provided in the seat cushion 2 for supporting the seat cushion 2, and a backrest 1 frame is provided in the backrest 1 for supporting the backrest 1. The seat cushion 2 frame and the backrest 1 frame are flexibly set according to design requirements, and this application does not make specific limitations.

[0051] In this application, when the backrest 1 is in a lying state, Figure 6 As shown, the patient can lie directly on the multifunctional auxiliary support, so after use, the multifunctional auxiliary support does not need to be taken out from the bed and can be directly used as a part of the bed.

[0052] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A multifunctional auxiliary support for bedridden patients, characterized in that: The invention comprises a support body, a backrest, a seat cushion and a lumbar support cushion, wherein the seat cushion and the backrest are arranged in parallel on the support body, one end of the backrest is hingedly connected to the support body, a flipping drive mechanism connected to the backrest is installed on the support body, and the flipping drive mechanism is configured to be able to drive the backrest to rotate at an angle to adjust the inclination angle of the backrest, handrails are respectively installed on both side walls of the backrest, an anti-slip pad is detachably connected to the seat cushion, and the lumbar support cushion is detachably connected to the end of the seat cushion and / or the backrest.

2. The multifunctional auxiliary support for bedridden patients according to claim 1, characterized in that: A control button for controlling the action of the flip drive mechanism is installed on the side wall of one of the handrails, and / or A flip positioning mechanism is provided at the connection between the handrail and the side wall of the backrest to position the handrail in a position parallel to the backrest and flip it toward the seat cushion to a position at a set angle to the backrest.

3. The multifunctional auxiliary support for bedridden patients according to claim 1, characterized in that: The bracket body includes a seat cushion bracket and a backrest bracket, one end of the seat cushion bracket is hingedly connected to one end of the backrest bracket, the seat cushion is installed on the seat cushion bracket, one end of the backrest is hingedly connected to one end of the backrest bracket close to the seat cushion bracket, the flipping drive mechanism is installed on the backrest bracket, and a support rod is fixed to the backrest bracket to support the backrest in a lying flat state.

4. The multifunctional auxiliary support for bedridden patients according to claim 3, characterized in that: The seat cushion bracket is a frame-shaped structure, a storage box is fixed on the inner side of the seat cushion bracket, a side wall of the seat cushion bracket is provided with a take-in and put-out opening connected to the interior of the storage box, and a baffle capable of blocking the take-in and put-out opening is slidably connected to the side wall around the take-in and put-out opening.

5. The multifunctional auxiliary support for bedridden patients according to claim 1, characterized in that: The anti-slip pad is connected to the seat cushion via Velcro, and the waist support cushion is connected to the end of the seat cushion and / or the backrest via Velcro.

6. The multifunctional auxiliary support for bedridden patients according to claim 1, characterized in that: A headrest is fixed on one end of the backrest away from the seat cushion.

7. The multifunctional auxiliary support for bedridden patients according to claim 4, characterized in that: The top of the handrail is provided with at least two sockets arranged along the length direction of the handrail, and the multifunctional auxiliary bracket also includes a table top that can be folded and stored in the storage box, and the four corner ends of the table top are respectively hingedly connected with plug rods that can be inserted into the sockets, and the plug rods are threadedly connected with a limiting block, and the diameter of the limiting block is larger than the diameter of the socket.

8. The multifunctional auxiliary support for bedridden patients according to claim 1, characterized in that: The anti-skid pad comprises a pad body and anti-skid protrusions, and a plurality of evenly distributed anti-skid protrusions are integrally formed on the top of the pad body.

9. The multifunctional auxiliary support for bedridden patients according to claim 3, characterized in that: The flipping drive mechanism includes a rotation drive assembly, a lead screw and a push-pull rod. The drive assembly is installed at one end of the backrest bracket away from the seat cushion bracket. The lead screw is rotatably connected to the inner side of the backrest bracket. A slider is threaded on the lead screw. One end of the push-pull rod is hingedly connected to the slider, and the other end of the push-pull rod is hingedly connected to the back of the backrest. The support rod is located above the lead screw.

10. The multifunctional auxiliary support for bedridden patients according to claim 9, characterized in that: The rotary drive assembly comprises a protection box and a motor. The protection box is fixed to one end of the backrest bracket away from the seat cushion bracket. The motor is fixed in the protection box. The motor drives the lead screw to rotate.

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