Lower limb rehabilitation device

By integrating the lower limb support components and gear motor system on the wheelchair, independent control of the thigh and calf support rods is solved, and leg exercise and rehabilitation training in the wheelchair is achieved.

CN222426476UActive Publication Date: 2025-02-07赖美莎
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Patent Information

Application Number
CN202421143967.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2025-02-07
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

Existing wheelchairs cannot help patients perform leg flexion exercises, limiting the patient's training effectiveness during rehabilitation.

Method used

A lower limb rehabilitation device is designed, combining the wheelchair main body and lower limb support assembly, and independent control of the thigh and calf support rods is achieved through the cooperation of gears and motors, allowing users to perform leg lifting and bending training on the wheelchair.

Benefits of technology

This device can not only be used as a transportation tool, but also exercise the leg muscles by yourself, promote blood circulation, accelerate rehabilitation training, which is easy to use and safe to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a lower limb rehabilitation device which comprises a wheelchair body and a lower limb supporting assembly installed at the front end of the wheelchair body. The lower limb supporting assembly comprises a first cross rod, a thigh supporting rod, a second cross rod and a shank supporting rod, the first cross rod is fixedly installed on one side of the wheelchair body, the top of the thigh supporting rod is rotationally installed on the first cross rod, a first gear is fixed to the side face of the thigh supporting rod and connected with a second gear in an engaged mode, and the second gear is connected with the output end of a first motor; the bottom of the thigh supporting rod is fixed to the second cross rod, the top of the shank supporting rod is rotationally connected to the second cross rod, a third gear is fixed to the side face of the shank supporting rod and engaged with a fourth gear, and the fourth gear is connected with the output end of a second motor; a pedal is arranged at the bottom of the shank supporting rod. The leg lifting and bending training device can achieve leg lifting and bending training, promote blood pressure circulation and accelerate rehabilitation training, and is convenient to use and safe to operate.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a lower limb rehabilitation device. Background Art

[0002] In hospitals, many patients with leg injuries need rehabilitation training during their recovery period, which mainly requires patients to perform repeated leg bending movements to relax muscles and promote blood circulation, so that the legs can recover faster.

[0003] CN 219375234 U discloses a wheelchair. The wheelchair comprises a main body, a flexible member and a suspension member, wherein the suspension member is arranged on the main body and is used to suspend a rod-shaped object. The flexible member comprises a first connecting portion and a second connecting portion connected to the first connecting portion, wherein the first connecting portion and the second connecting portion are both connected to the suspension member, and the flexible member and the suspension member enclose a storage space for installing the rod-shaped object. When the rod-shaped object is installed in the storage space, the flexible member and the suspension member respectively stop at two opposite sides of the rod-shaped object. Although the wheelchair can be used as a walking aid for disabled patients, it is not possible to perform bending exercises on the patients' legs.

[0004] To this end, the utility model proposes a lower limb rehabilitation device, which can be used as a wheelchair to assist walking and can exercise leg bending without the need for assistance from others and is easy to use. Utility Model Content

[0005] In view of the above-mentioned deficiencies in the prior art, the utility model provides a lower limb rehabilitation device, which has a simple structure and is easy to promote.

[0006] A lower limb rehabilitation device comprises a wheelchair body and a lower limb support assembly, wherein the lower limb support assembly is mounted on the front end of the wheelchair body;

[0007] The lower limb support assembly includes a crossbar 1, a thigh support bar, a crossbar 2 and a calf support bar, wherein the crossbar 1 is fixedly mounted on one side of the wheelchair body, the top of the thigh support bar is rotatably mounted on the crossbar 1, a gear 1 is fixed on the side of the thigh support bar, the gear 1 is meshedly connected with the gear 2, and the gear 2 is connected to the output end of the motor 1;

[0008] The bottom of the thigh support rod is fixed on the cross bar 2, the top of the calf support rod is rotatably connected to the cross bar 2, a gear 3 is fixed on the side of the calf support rod, the gear 3 is meshedly connected with a gear 4, and the gear 4 is connected to the output end of the motor 2;

[0009] A foot pedal is arranged at the bottom of the calf support rod.

[0010] Preferably, a first strap is provided on the inner side of the thigh support rod, and a second strap is provided on the inner side of the calf support rod.

[0011] Preferably, the wheelchair body comprises a seat cushion, a backrest, running wheels and armrests, and a support frame is further provided below the seat cushion.

[0012] Preferably, the armrest is provided with a control switch 1 and a control switch 2, the control switch 1 is used to control the rotation of the motor 1, and the control switch 2 is used to control the rotation of the motor 2.

[0013] Preferably, a protective plate is also provided on the outer side of the thigh support rod.

[0014] Preferably, both the first strap and the second strap are detachable elastic bands.

[0015] The beneficial effects of the utility model are:

[0016] The lower limb rehabilitation device of the utility model adopts a design combining a wheelchair main body and a lower limb support component, which can be used as a walking tool for the user, and the user can exercise the leg muscles by himself while sitting in the wheelchair, and can realize leg raising and bending training, promote blood pressure circulation, accelerate rehabilitation training, and is easy to use and safe to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 The three-dimensional Figure 1 ;

[0019] Figure 2 The three-dimensional Figure 2 ;

[0020] Figure 3 It is a side view of the utility model;

[0021] 1-wheelchair body, 2-cross bar 1, 3-thigh support rod, 4-cross bar 2, 5-calf support rod, 6-gear 1, 7-gear 2, 8-motor 1, 9-gear 3, 10-gear 4, 11-motor 2, 12-foot pedal, 13-strap 1, 14-strap 2, 15-support frame, 16-protective plate. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0023] In the description of the embodiments of the present utility model, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate an orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device 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 utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 indirectly connected 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 utility model can be understood according to specific circumstances.

[0025] As shown in the accompanying drawings, a lower limb rehabilitation device includes a wheelchair body 1 and a lower limb support component, which is installed at the front end of the wheelchair body 1; the wheelchair body 1 includes a seat cushion, a backrest, running wheels and armrests, and a support frame 15 is also provided under the seat cushion.

[0026] The lower limb support assembly includes a cross bar 2, a thigh support bar 3, a cross bar 2 4 and a calf support bar 5. The cross bar 2 is fixedly installed on one side of the wheelchair body 1. The top of the thigh support bar 3 is rotatably installed on the cross bar 2. A gear 6 is fixed to the side of the thigh support bar 3. The gear 6 is meshed and connected with a gear 2 7. The gear 2 7 is connected to the output end of the motor 8. A strap 13 is provided on the inner side of the thigh support bar 3. A protective plate 16 is also provided on the outer side of the thigh support bar 3.

[0027] The bottom of the thigh support rod 3 is fixed on the cross bar 2 4, the top of the calf support rod 5 is rotatably connected to the cross bar 2 4, a gear 3 9 is fixed to the side of the calf support rod 5, the gear 3 9 is meshingly connected with a gear 4 10, and the gear 4 10 is connected to the output end of the motor 2 11; a strap 2 14 is provided on the inner side of the calf support rod 5; a foot pedal 12 is provided at the bottom of the calf support rod 5.

[0028] The armrest is provided with a control switch 1 and a control switch 2, wherein the control switch 1 is used to control the rotation of the motor 1 8 , and the control switch 2 is used to control the rotation of the motor 2 11 .

[0029] When in use, the user sits on the wheelchair with both feet placed on the foot pedals, and fixes the thigh and calf to the thigh support rod 3 and the calf support rod 5 respectively through strap 1 and strap 2; when leg bending training is needed, the user operates motor 1 through control switch 1 to rotate, motor 1 8 drives gear 2 to rotate, gear 2 drives gear 1 to rotate, and then drives thigh support rod 3 to rotate, so that the user's entire leg is raised or lowered; when the user operates motor 2 through control switch 2 to rotate, motor 2 drives gear 4 to rotate, gear 4 drives gear 3 to rotate, and then drives calf support rod 5 to rotate, so that the user's calf can be bent or straightened, so that the user's leg raising and bending training can be completed, and one person can exercise independently without the assistance of others, and the operation is simple; the user can control the range of motion of the legs by himself, and it is safe to use.

[0030] The above description is only a preferred embodiment of the present utility model patent and is not intended to limit the present utility model patent. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model patent shall be included in the protection scope of the present utility model patent.

Claims

1. A lower limb rehabilitation device, characterized in that: It comprises a wheelchair body (1) and a lower limb support component, wherein the lower limb support component is installed at the front end of the wheelchair body (1); The lower limb support assembly comprises a crossbar 1 (2), a thigh support bar (3), a crossbar 2 (4) and a calf support bar (5); the crossbar 1 (2) is fixedly mounted on one side of the wheelchair body (1); the top of the thigh support bar (3) is rotatably mounted on the crossbar 1 (2); a gear 1 (6) is fixed on the side of the thigh support bar (3); the gear 1 (6) is meshingly connected with a gear 2 (7); the gear 2 (7) is connected to the output end of a motor 1 (8); The bottom of the thigh support rod (3) is fixed on the second crossbar (4), the top of the calf support rod (5) is rotatably connected to the second crossbar (4), a gear three (9) is fixed on the side of the calf support rod (5), the gear three (9) is meshingly connected with a gear four (10), and the gear four (10) is connected to the output end of the second motor (11); A foot pedal (12) is provided at the bottom of the calf support rod (5).

2. A lower limb rehabilitation device according to claim 1, characterized in that: A first binding belt (13) is provided on the inner side of the thigh support rod (3), and a second binding belt (14) is provided on the inner side of the calf support rod (5).

3. A lower limb rehabilitation device according to claim 1, characterized in that: The wheelchair body (1) comprises a seat cushion, a backrest, running wheels and armrests, and a support frame (15) is also provided below the seat cushion.

4. A lower limb rehabilitation device according to claim 3, characterized in that: The armrest is provided with a control switch 1 and a control switch 2, wherein the control switch 1 is used to control the rotation of the motor 1 (8), and the control switch 2 is used to control the rotation of the motor 2 (11).

5. The lower limb rehabilitation device according to claim 1, characterized in that: A protective plate (16) is also provided on the outer side of the thigh support rod (3).

6. A lower limb rehabilitation device according to claim 2, characterized in that: The first strap (13) and the second strap (14) are both detachable elastic straps.