Auxiliary supporting device
By designing a stretchable and telescopic mounting bracket device with autonomous locking function on a wheelchair, the shortcomings of existing wheelchairs in assisting and supporting patients with cruciate ligament injury are solved, and comfortable support and autonomous use of the patient's lower limbs are achieved, which promotes rehabilitation and treatment.
Patent Information
- Application Number
- CN202421517585.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-29
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-06-29
AI Technical Summary
The existing wheelchairs lack special auxiliary support devices when assisting and supporting patients with cruciate ligament injury, which leads to inconvenient limb placement, causing pain, and may lead to incorrect positioning.
A foldable wheelchair is designed, and the seat bottom is symmetrically arranged with two stretchable and telescopic mounting brackets with autonomous locking function. These mounting brackets include a fixing base, a first telescopic mounting bracket and a second telescopic mounting bracket, which are fixed to the wheelchair by bolts, and are connected to the hand pad and the connecting belt with Velcro connection.
The device provides a comfortable support function for patients' lower limbs, avoiding bending of lower limbs, and adapting to patients of different heights. Patients can adjust and use them independently, reduce dependence on family members or medical staff, and promote rehabilitation and treatment.
Smart Images

Figure CN222983286U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary support, in particular to an auxiliary support device. Background Art
[0002] Injury of the cruciate ligament of the knee joint is one of the characteristics of limited knee joint movement, including two types: one is anterior cruciate ligament injury, and the other is posterior cruciate ligament injury. For anterior cruciate ligament injury, it is often a complete rupture of the ligament. For posterior cruciate ligament injury, it is divided into two categories: simple injury and combined with other ligament injuries. Once the cruciate ligament of the knee joint is injured, active treatment is required, otherwise it will cause joint instability and complications such as pain. Whether it is the anterior cruciate ligament or the posterior cruciate ligament, for mild cruciate ligament injuries, conservative treatment can be adopted. For moderate and severe cruciate ligament injuries, it is recommended to perform ligament reconstruction or minimally invasive repair of the intra-articular ligament under arthroscopy. After the patient undergoes cruciate ligament injury surgery, since the limb cannot move, a wheelchair is usually used to assist the patient in moving.
[0003] However, when a wheelchair is used to assist in supporting a patient with limited knee joint movement, especially a patient after cruciate ligament injury surgery, there is no special auxiliary support device to assist in supporting the patient's limb, resulting in inconvenient placement of the patient's limb, causing pain, and due to conditioned reflex, incorrect body position. Therefore, in order to protect the correctness of the patient's body position during the transfer process, those skilled in the art have provided an auxiliary support device to solve the problems raised in the above background art. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an auxiliary support device for the deficiencies of the prior art to solve the above-mentioned technical problems.
[0005] The embodiment of the utility model adopts the following technical solutions: it includes a foldable wheelchair for patients to use. Two placing support devices for the patient's legs are symmetrically arranged at the bottom of the wheelchair seat. Limiting and fixing devices for limiting the patient's hands are arranged at both hand-holding placing positions of the wheelchair. Both of the two placing support devices are connected to the bottom of the wheelchair seat by bolt fixing and are both detachable. Both of the two placing support devices are stretchable and have an automatic locking function. Both of the two placing support devices include a fixed base, a first telescopic placing frame, and a second telescopic placing frame. The first telescopic placing frame is in sliding fit with the fixed base, the second telescopic placing frame is in sliding fit with the first telescopic placing frame, and the second telescopic placing frame and the first telescopic placing frame have the same structure.
[0006] Furthermore, the two limiting and fixing devices each include a hand pad and a connecting belt. The hand pad is located at the corresponding hand support position. Two connecting belts are provided. The two connecting belts are respectively arranged on the hand pad to play the effect of fixing and limiting the hand limbs. The fixing connection method of the two connecting belts is a Velcro connection and fixing method.
[0007] Furthermore, the first telescopic mounting frame includes a spring sheet, a limit piece, a limit frame, a release piece and an adjusting knob, the spring sheet is located in a fixed base, the end of the limit piece is rotatably connected to the fixed base, the limit piece and the spring sheet are in contact, the spring sheet is in a relaxed state, the head end of the limit piece is provided with a plurality of limit teeth and all of them are inclined toward the front, the limit frame and the fixed base are slidably matched, the side end of the limit frame is provided with a plurality of locking teeth that are compatible with the plurality of limit teeth, and the plurality of locking teeth are all inclined toward the rear, the end of the adjusting knob passes through the outer lower end of the fixed base and is located inside it and is threadedly connected, the end of the release piece is sleeved on the end of the adjusting knob and the head end of the release piece abuts against the head end of the limit piece.
[0008] Furthermore, a push-pull handle is provided at the front end of the second telescopic erection frame.
[0009] Furthermore, a fixing belt is provided at the end and the middle of the second telescopic stand, and the two fixing belts are connected and fixed by Velcro.
[0010] Furthermore, the mounting locations of the first telescopic mounting frame and the second telescopic mounting frame both use flexible layers.
[0011] Furthermore, the first telescopic erecting frame and the second telescopic erecting frame are both provided with a plurality of erecting grooves.
[0012] At least one of the above technical solutions adopted in the embodiment of the utility model can achieve the following beneficial effects:
[0013] The utility model is suitable for patients who have undergone knee surgery, knee ligament reconstruction and knee replacement. After the above-mentioned operations, the patients need to sit in a wheelchair for mobile life. When the patients sit in the wheelchair, their limbs cannot be bent and there is no fulcrum. The device can be used for such patients and situations. Two leg brace devices are symmetrically arranged at the bottom of the wheelchair seat for supporting the patient's lower limbs to prevent the bending of the lower limbs from affecting rehabilitation treatment. The device can be adjusted to a length suitable for the lower limbs of the patient according to the height of the patients. At the same time, the patient can push the brace device independently for use. After stretching to the required length, it can be automatically locked to provide comfortable support for the patient's lower limbs, thereby preventing the patient from being unable to use the device independently and without the help of family members or medical staff. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The accompanying drawings described herein are used to provide a further understanding of the present utility model and form a part of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation of the present utility model. In the drawings:
[0015] Figure 1 is a schematic structural view of the placing support device of the present utility model in a stretched state Figure 1 ;
[0016] Figure 2 is a three-dimensional structural view of the present utility model Figure 1 ;
[0017] Figure 3 is a three-dimensional structural view of the present utility model Figure 2 ;
[0018] Figure 4 is a three-dimensional structural schematic diagram of the placing support device of the present utility model;
[0019] Figure 5 is a schematic structural view of the placing support device of the present utility model in a stretched state Figure 2 ;
[0020] Figure 6 is a schematic sectional view of the fixed base of the present utility model;
[0021] Figure 7 is Figure 1 the enlarged view at position A in
[0022] Figure 8 is Figure 6 the enlarged view at position B in
[0023] Reference numerals
[0024] Wheelchair 1, Placing support device 2, Fixed base 21, First telescopic placing frame 22, Elastic piece 221, Limiting member 222, Limiting frame 223, Loosening member 224, Adjusting knob 225, Limiting tooth 226, Locking tooth 227, Second telescopic placing frame 23, Placing push-pull handle 231, Fixing belt 232, Placing groove 233, Limiting fixing device 3, Hand pad 31, Connecting belt 32. Detailed implementation manners
[0025] 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 combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only 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.
[0026] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
[0027] The embodiment of the utility model provides an auxiliary support device, including a foldable wheelchair 1 for use by a patient, wherein two leg support devices 2 are symmetrically arranged at the bottom of the seat of the wheelchair 1 for supporting the legs and limbs, and two hand rests of the wheelchair 1 are provided with position limiting fixing devices 3 for limiting the position of the hands and limbs, and the two support devices 2 are connected to the bottom of the seat of the wheelchair 1 by bolt fixing and are both detachable, and the two support devices 2 are both stretchable and retractable and have an autonomous locking function, and the two support devices 2 include a fixed base 21, a first telescopic support frame 22 and a second telescopic support frame 23, the first telescopic support frame 22 is in sliding cooperation with the fixed base 21, the second telescopic support frame 23 is in sliding cooperation with the first telescopic support frame 22, and the second telescopic support frame 23 and the first telescopic support frame 22 have the same structure;
[0028] After knee surgery, knee ligament reconstruction, and knee replacement, patients need to sit in a wheelchair 1 for mobile life. When patients sit in the wheelchair 1, their limbs cannot be bent and there is no fulcrum. The present device can target such patients and situations. Two leg brace devices 2 are symmetrically arranged at the bottom of the seat of the wheelchair 1 for supporting the patient's lower limbs to prevent bending of the lower limbs from affecting rehabilitation treatment. The brace devices 2 can be adjusted to a length suitable for the patient's lower limbs according to the height of the patients. At the same time, the patient can push the brace device 2 for use independently. After stretching to the required length, the brace device 2 can be automatically locked to provide comfortable support for the patient's lower limbs, thereby preventing the patient from being unable to use the device independently and without the help of family members or medical staff.
[0029] The two supporting brace devices 2 of the device are connected to the seat bottom of the wheelchair 1 by bolt fixing and are detachable, so they can be installed and disassembled according to the corresponding treatment situation.
[0030] In a further preferred embodiment of the present utility model, each of the two limiting and fixing devices 3 includes a hand pad 31 and a connecting strap 32. The hand pad 31 is located at the corresponding hand-resting place. There are two connecting straps 32, and the two connecting straps 32 are respectively arranged on the hand pad 31 to fix and limit the hand limbs, and the fixed connection method of the two connecting straps 32 is a magic tape connection and fixing method;
[0031] When the hand limbs of a patient need to be constrained and limited, the patient's hand can be placed on the corresponding hand pad 31, and the corresponding connecting strap 32 is used to constrain and fix the patient's hand in a magic tape connection manner.
[0032] In a further preferred embodiment of the present utility model, the first telescopic resting frame 22 includes a spring piece 221, a limiting member 222, a limiting frame 223, a releasing member 224 and an adjusting knob 225. The spring piece 221 is located inside the fixed base 21. The end of the limiting member 222 is rotatably connected to the fixed base 21. The limiting member 222 is in contact with the spring piece 221, and the spring piece 221 is in a relaxed state. The head end of the limiting member 222 is provided with a plurality of limiting teeth 226 which are all inclined forward. The limiting frame 223 is slidably matched with the fixed base 21. The side end of the limiting frame 223 is provided with a plurality of locking teeth 227 which are adapted to the plurality of limiting teeth 226, and the plurality of locking teeth 227 are all inclined backward. The end of the adjusting knob 225 passes through the lower end of the outside of the fixed base 21 and is threadedly connected inside it. The end of the releasing member 224 is sleeved on the end of the adjusting knob 225, and the head end of the releasing member 224 abuts against the head end of the limiting member 222;
[0033] After patients have knee joint surgery, knee ligament reconstruction surgery, or knee joint replacement surgery, these types of postoperative patients need to straighten and stretch their lower limbs when sitting on the wheelchair 1 for recovery treatment. After the patient sits on the wheelchair 1 of this device, the medical staff or the patient's family member can hold the resting push-pull handle 231 and stretch it out to the required supporting length of the patient's lower limb. During the stretching process of the resting push-pull handle 231, the limiting frame 223 in the second telescopic resting frame 23 will be in a cooperating state through the spring piece 221 and the limiting member 222. Finally, the limiting frame 223 in the second telescopic resting frame 23 will be pulled out first. Since a plurality of limiting teeth 226 are all inclined forward, and a plurality of the locking teeth 227 are all inclined backward, and the corresponding two are in an adapted state, there is no blockage when being pulled out. When pushing the resting push-pull handle 231 to be retracted, the corresponding limiting teeth 226 and the corresponding locking teeth 227 are in an engaged corresponding state, so that after the resting support device 2 is stretched to the required length, it can be automatically locked to provide a comfortable supporting function for the patient's lower limb, with convenient operation and simple structure.
[0034] When the first telescopic rack 22 and the second telescopic rack 23 push the storage operation, refer to Figure 8 As shown, it is only necessary to rotate the adjusting knob 225 in the direction of the spring sheet, and the adjusting knob 225 will abut against the limiting member 222 to move in the direction of the spring sheet 221, and the spring sheet 221 is in a tightened state, so that the locking teeth 27 on the limiting frame 223 and the limiting teeth 226 on the limiting member 222 are in a disengaged state, thereby realizing that the first telescopic frame 22 and the second telescopic frame 23 are pushed and stored in the fixed base 21;
[0035] In a further preferred embodiment of the utility model, the first end of the second telescopic erection frame 23 is provided with an erection push-pull handle 231;
[0036] The first end of the second telescopic frame 23 is provided with a push-pull handle 231, which can facilitate medical staff or the patient's family to extend the second telescopic frame 23 and the first telescopic frame 22 to provide support for the patient's lower limbs.
[0037] In a further preferred embodiment of the utility model, a fixing belt 232 is provided at the end and the middle of the second telescopic stand 23, and the two fixing belts 232 are connected and fixed by Velcro connection;
[0038] A fixing belt 232 is provided at the end and the middle of the second telescopic laying frame 23, and the two fixing belts 232 are connected and fixed by Velcro. After the patient's lower limbs are laid, the lower limbs can be limited and fixed to prevent the lower limbs from falling and causing secondary injuries to the patient's lower limbs.
[0039] In a further preferred embodiment of the utility model, the first telescopic erection frame 22 and the second telescopic erection frame 23 are both placed at a flexible layer;
[0040] By using flexible layers at the mounting locations of the first telescopic mounting frame 22 and the second telescopic mounting frame 23, better comfort can be provided for the patient's lower limbs.
[0041] In a further preferred embodiment of the utility model, the first telescopic mounting frame 22 and the second telescopic mounting frame 23 are both provided with a plurality of mounting grooves 233; since the first telescopic mounting frame 22 and the second telescopic mounting frame 23 are both provided with a plurality of mounting grooves 233, it is convenient to place the patient's lower limbs and better provide a fulcrum for them.
[0042] When the patient sits on the wheelchair 1 and needs to independently stretch the corresponding first telescopic support frame 22 and the second telescopic support frame 23 to a length suitable for the lower limbs for support without the help of others, the patient can first push the push-pull handle 231 of the support. Then, according to the several support grooves 233 on the first telescopic support frame 22 and the second telescopic support frame 23, the patient can place the hand pushing fulcrum on the corresponding support groove 233 and push until the required length for supporting the lower limbs is reached. This enables the patient to independently push and use the support device 2. After stretching to the required length, it can be automatically locked to provide a comfortable support function for the patient's lower limbs, avoiding the situation where the patient cannot use it independently and allowing the patient to use it without the help of family members or medical staff.
[0043] The above are only the embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.
Claims
1. An auxiliary support device, characterized in that: include; A foldable wheelchair for use by a patient (1); The bottom of the seat of the wheelchair (1) is symmetrically provided with two leg support devices (2) for supporting the legs; The two hand rests of the wheelchair (1) are both provided with position limiting fixing devices (3) for limiting the position of the hands and limbs; the two support devices (2) are both connected to the bottom of the seat of the wheelchair (1) by means of bolt fixing and are both detachable; the two support devices (2) are both stretchable and retractable and have an autonomous locking function; The two erecting and supporting devices (2) each comprise a fixed base (21), a first telescopic erecting frame (22) and a second telescopic erecting frame (23); the first telescopic erecting frame (22) and the fixed base (21) are in sliding cooperation; the second telescopic erecting frame (23) and the first telescopic erecting frame (22) are in sliding cooperation; the second telescopic erecting frame (23) and the first telescopic erecting frame (22) have the same structure; The first telescopic mounting frame (22) comprises a spring piece (221), a limiting member (222), a limiting frame (223), a releasing member (224) and an adjusting knob (225); the spring piece (221) is located in the fixed base (21); the end of the limiting member (222) is rotatably connected to the fixed base (21); the limiting member (222) and the spring piece (221) are in a contact state; the spring piece (221) is in a relaxed state; the front end of the limiting member (222) is provided with a plurality of limiting teeth (226) which are all arranged to be inclined toward the front; The limiting frame (223) and the fixed base (21) are slidably matched, and a plurality of locking teeth (227) are provided at the side end of the limiting frame (223) and are matched with the plurality of limiting teeth (226), and the plurality of locking teeth (227) are all arranged to be inclined toward the rear, and the end of the adjusting knob (225) passes through the lower end of the outside of the fixed base (21) and is located inside the fixed base (21) and is threadedly connected, and the end of the loosening member (224) is sleeved on the end of the adjusting knob (225) and the head end of the loosening member (224) contacts the head end of the limiting member (222).
2. An auxiliary support device according to claim 1, characterized in that: The two position limiting and fixing devices (3) each comprise a hand pad (31) and a connecting belt (32); the hand pad (31) is located at a corresponding hand resting position; two connecting belts (32) are provided; the two connecting belts (32) are respectively arranged on the hand pad (31) to have the effect of fixing and limiting the hand or limb; the two connecting belts (32) are both fixedly connected by a Velcro connection method.
3. An auxiliary support device according to claim 1, characterized in that: A push-pull handle (231) is provided at the front end of the second telescopic erection frame (23).
4. An auxiliary support device according to claim 1, characterized in that: A fixing belt (232) is provided at the end and the middle of the second telescopic mounting frame (23), and the two fixing belts (232) are connected and fixed by means of Velcro.
5. An auxiliary support device according to claim 1, characterized in that: The mounting locations of the first telescopic mounting frame (22) and the second telescopic mounting frame (23) both use flexible layers.
6. An auxiliary support device according to claim 1, characterized in that: The first telescopic erection frame (22) and the second telescopic erection frame (23) are both provided with a plurality of erection grooves (233).