A wearable metatarsophalangeal joint rehabilitation device

Abstract

The present invention discloses a wearable metatarsophalangeal joint rehabilitation device, which relates to the field of physical medicine and rehabilitation technology. It includes a support plate and a forefoot plate. The support plate is used to support the human calf and hindfoot, and the forefoot plate is rotatably connected to the front end of the bottom of the support plate and is used to support the human forefoot. A driving device is arranged on the support plate, and the driving device is connected to the forefoot plate through a transmission mechanism and is used to drive the forefoot plate to rotate relative to the support plate. The present invention can perform rehabilitation training on patients with limited metatarsophalangeal joint motor function, and adopts a wearable design, which can be worn on the leg for use, being flexible and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of physical medicine and rehabilitation, and particularly to a wearable metatarsophalangeal joint rehabilitation device. Background Art

[0002] The metatarsophalangeal joint is a joint formed by the head of the metatarsal bone and the base of the phalanx in the toes. It is the largest joint in the foot except for the ankle joint. Its main movements are flexion and extension, and it can also perform slight adduction and abduction movements. The metatarsophalangeal joint plays an important role in foot movement. Its flexion and extension movements can have a significant impact on human running, jumping and other movements, especially the push-off effect in the later stage of support. For patients with spinal cord injuries, strokes, etc., their lower limb motor functions are usually affected, and the metatarsophalangeal joint cannot move like a normal person. Currently, common lower limb rehabilitation devices are usually only suitable for rehabilitating the hip joint, knee joint, ankle joint, etc.

[0003] Therefore, there is an urgent need in the market for a metatarsophalangeal joint rehabilitation device for rehabilitating patients with limited metatarsophalangeal joint motor function. Summary of the Invention

[0004] The purpose of the present invention is to provide a wearable metatarsophalangeal joint rehabilitation device to solve the technical problems existing in the above-mentioned prior art. It can rehabilitate patients with limited metatarsophalangeal joint motor function, and adopts a wearable design, which can be worn on the leg for use, being flexible and convenient.

[0005] To achieve the above purpose, the present invention provides the following solution:

[0006] The present invention discloses a wearable metatarsophalangeal joint rehabilitation device, including a support plate and a forefoot plate. The support plate is used to support the human calf and the rear foot, and the forefoot plate is rotatably connected to the front end of the bottom of the support plate for supporting the human forefoot; a driving device is arranged on the support plate, and the driving device is connected to the forefoot plate through a transmission mechanism for driving the forefoot plate to rotate relative to the support plate.

[0007] Preferably, the support plate includes a first support plate arranged vertically and a second support plate arranged horizontally. The first support plate is used to support the human calf, and the second support plate is arranged at the bottom of the first support plate for supporting the human rear foot.

[0008] Preferably, the first support plate and the second support plate are integrally arranged; a first fixing strap is arranged on the first support plate for fixing the human calf, and a second fixing strap is arranged on the second support plate for fixing the human foot.

[0009] Preferably, a third fixing strap is arranged on the forefoot plate for fixing the human toes.

[0010] Preferably, the driving device is a driving motor, and the driving motor is vertically installed on the upper part of the support plate through a motor mounting seat.

[0011] Preferably, the transmission mechanism includes a first bevel gear, a transmission shaft, a second bevel gear, a driving wheel, a driven wheel and a front sole plate gear; the first bevel gear is vertically installed on the output shaft of the driving motor, the transmission shaft is horizontally installed below the first bevel gear, the second bevel gear is fixedly installed on the transmission shaft and is meshed and connected with the first bevel gear; one driving wheel is installed at each end of the transmission shaft, the two driving wheels are respectively located on both sides of the support plate and each drives and connects a driven wheel, and the two driven wheels are respectively rotatably installed on both sides of the front end of the bottom of the support plate; one front sole plate gear is fixedly arranged on each side of the front sole plate, and the front sole plate gear is meshed and connected with the driven wheel.

[0012] Preferably, the motor mounting seat is fixed on the support plate by bolts, the two ends of the transmission shaft are rotatably installed on the support plate through pedestal bearings, and the pedestal bearings are fixed on the support plate by bolts; the first bevel gear is connected to the output shaft of the driving motor by a key, the driving wheel is connected to the end of the transmission shaft by a flat key, and the driven wheel is rotatably installed at the front end of the bottom of the support plate by a pin shaft.

[0013] Preferably, half of the driven wheel is a spur gear and the other half is machined with a groove, the driving wheel is machined with a groove, and the driving wheel and the driven wheel are connected by a steel wire rope, and the two ends of the steel wire rope are respectively arranged in the grooves of the driving wheel and the driven wheel; the spur gear on the driven wheel is meshed and connected with the front sole plate gear.

[0014] Preferably, the front sole plate gear is a sector gear, and the sector gear is fixed on the front sole plate by bolts.

[0015] Preferably, the front sole plate is rotatably connected to the front end of the bottom of the support plate by a pin shaft.

[0016] The present invention has achieved the following technical effects compared with the prior art:

[0017] The present invention can perform rehabilitation training on patients with limited movement function of the metatarsophalangeal joint, and the rehabilitation device adopts a wearable design and can be worn on the leg for use, avoiding the reduction of movement in the case of inconvenient movement of the patient and enabling more convenient and flexible rehabilitation treatment. Description of the Drawings

[0018] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of the wearable metatarsophalangeal joint rehabilitation device of the present invention;

[0020] Figure 2 It is a back view of the wearable metatarsophalangeal joint rehabilitation device of the present invention;

[0021] In the figure: 1 - drive motor; 2 - motor mounting seat; 3 - support plate; 4 - first bevel gear; 5 - second bevel gear; 6 - transmission shaft; 7 - driving wheel; 8 - steel wire rope; 9 - driven wheel; 10 - sector gear; 11 - front sole plate; 12 - first fixing belt; 13 - second fixing belt; 14 - third fixing belt, 15 - pedestal bearing. Detailed implementation manners

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0023] To make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation manners.

[0024] As Figure 1-2 shown, this embodiment provides a wearable metatarsophalangeal joint rehabilitation device, including a support plate 3 and a front sole plate 11. The support plate 3 is used to support the human calf and the rear sole, and the front sole plate 11 is rotatably connected to the front end of the bottom of the support plate 3 through a pin shaft and is used to support the human front sole; a driving device is arranged on the support plate 3, and the driving device is connected to the front sole plate 11 through a transmission mechanism and is used to drive the front sole plate 11 to rotate relative to the support plate 3.

[0025] In this embodiment, the support plate 3 includes a first support plate arranged vertically and a second support plate arranged horizontally. The first support plate is used to support the human calf, and the first support plate is arc-shaped and designed according to the contour shape of the human calf to better fit the calf and improve the wearing comfort; the second support plate is arranged at the bottom of the first support plate and is used to support the human rear sole.

[0026] In this embodiment, the first support plate and the second support plate are integrally provided; a first fixing strap 12 is provided on the first support plate for fixing the human calf, and a second fixing strap 13 is provided on the second support plate for fixing the human foot; a third fixing strap 14 is provided on the front foot plate 11 for fixing the human toes.

[0027] In this embodiment, the driving device is a driving motor 1. The driving motor 1 is vertically installed on the upper part of the support plate 3 through a motor mounting seat 2, and its driving shaft is vertically downward.

[0028] In this embodiment, the transmission mechanism includes a first bevel gear 4, a transmission shaft 6, a second bevel gear 5, a driving wheel 7, a driven wheel 9 and a front foot plate gear; the first bevel gear 4 is vertically installed on the output shaft of the driving motor 1, the transmission shaft 6 is horizontally installed below the first bevel gear 4, the second bevel gear 5 is fixedly installed on the transmission shaft 6 and meshes with the first bevel gear 4; a driving wheel 7 is installed at each end of the transmission shaft 6, the two driving wheels 7 are respectively located on both sides of the support plate 3 and each drives a driven wheel 9, and the two driven wheels 9 are respectively rotatably installed on both sides of the front end of the bottom of the support plate 3; a front foot plate gear is fixedly provided on each side of the front foot plate 11, and the front foot plate gear meshes with the driven wheel 9.

[0029] Specifically, the motor mounting seat 2 is fixed to the support plate 3 by bolts, the two ends of the transmission shaft 6 are rotatably installed on the support plate 3 through pedestal bearings 15, and the pedestal bearings 15 are fixed to the support plate 3 by bolts; the first bevel gear 4 is connected to the output shaft of the driving motor 1 by a key, the driving wheel 7 is connected to the end of the transmission shaft 6 by a flat key, and the driven wheel 9 is rotatably installed at the front end of the bottom of the support plate 3 by a pin shaft.

[0030] In this embodiment, half of the driven wheel 9 is a spur gear and the other half is machined with grooves. The driving wheel 7 is machined with grooves. The driving wheel 7 and the driven wheel 9 are connected by a steel wire rope 8. The two ends of the steel wire rope 8 are respectively arranged in the grooves of the driving wheel 7 and the driven wheel 9; the spur gear on the driven wheel 9 meshes with the front foot plate gear; the front foot plate gear is a sector gear 10, and the sector gear 10 is fixed to the front foot plate 11 by bolts.

[0031] In this embodiment, when the driving motor 1 rotates, it is transmitted by the first bevel gear 4 and the second bevel gear 5 to drive the transmission shaft 6 to rotate, further driving the driving wheel 7 to rotate. The driving wheel 7 drives the driven wheel 9 to rotate through the steel wire rope 8, and the driven wheel 9 drives the sector gear 10 to rotate, further driving the front foot plate 11 to rotate relative to the support plate 3. When in use, the user wears the metatarsophalangeal joint rehabilitation device on the lower limb and binds it to the human body by using the first fixing strap 12, the second fixing strap 13 and the third fixing strap 14.

[0032] In the present invention, the support plate 3 and the forefoot plate 11 are connected by a pin shaft to form a rotating joint, which mimics the structural design of the metatarsophalangeal joint of the human body. When the driving motor 1 rotates, it can drive the movement of the metatarsophalangeal joint of the human foot through the transmission system. A steel wire rope 8 is used for transmission between the driving motor 1 and the rotating joint, so that the driving motor 1 can be fixed on the calf far away from the foot, reducing the weight of the foot. The support plate 3 is designed according to the contour shape of the human calf, and the user can wear it on the leg to use, realizing the rehabilitation training of the metatarsophalangeal joint with limited motor function.

[0033] The present invention can perform rehabilitation training on patients with limited metatarsophalangeal joint motor function, and adopts a wearable design, which can be worn on the leg for use, being flexible and convenient.

[0034] In this specification, specific examples are used to elaborate on the principle and implementation manner of the present invention. The description of the above embodiments is only used to help understand the method and its core idea of the present invention. At the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present invention.

Claims

1. A wearable metatarsophalangeal joint rehabilitation device, characterized in that: It includes a support plate and a forefoot plate. The support plate is used to support the human calf and the rear foot, and the forefoot plate is rotatably connected to the front end of the bottom of the support plate and is used to support the human forefoot. A driving device is arranged on the support plate. The driving device is connected to the forefoot plate through a transmission mechanism and is used to drive the forefoot plate to rotate relative to the support plate. The driving device is a driving motor, and the driving motor is vertically installed on the upper part of the support plate through a motor mounting seat. The transmission mechanism includes a first bevel gear, a transmission shaft, a second bevel gear, a driving wheel, a driven wheel and a forefoot plate gear. The first bevel gear is vertically installed on the output shaft of the driving motor. The transmission shaft is horizontally installed below the first bevel gear. The second bevel gear is fixedly installed on the transmission shaft and is meshed and connected with the first bevel gear. One driving wheel is installed at each end of the transmission shaft. The two driving wheels are respectively located on both sides of the support plate and are each connected to a driven wheel in a transmission manner. The two driven wheels are respectively rotatably installed on both sides of the front end of the bottom of the support plate. One forefoot plate gear is fixedly arranged on each side of the forefoot plate, and the forefoot plate gear is meshed and connected with the driven wheel. The motor mounting seat is fixed to the support plate through bolts. The two ends of the transmission shaft are rotatably installed on the support plate through pedestal bearings, and the pedestal bearings are fixed to the support plate through bolts. The first bevel gear is connected to the output shaft of the driving motor through a key. The driving wheel is connected to the end of the transmission shaft through a flat key. The driven wheel is rotatably installed at the front end of the bottom of the support plate through a pin shaft. Half of the driven wheel is a spur gear, and the other half is processed with a groove. The driving wheel is processed with a groove. The driving wheel and the driven wheel are connected by a steel wire rope. The two ends of the steel wire rope are respectively arranged in the grooves of the driving wheel and the driven wheel. The spur gear on the driven wheel is meshed and connected with the forefoot plate gear. The support plate includes a first support plate arranged vertically and a second support plate arranged horizontally. The first support plate is used to support the human calf, and the second support plate is arranged at the bottom of the first support plate and is used to support the human rear foot.

2. The wearable metatarsophalangeal joint rehabilitation device according to claim 1, wherein: The first support plate and the second support plate are integrally arranged. A first fixing band is arranged on the first support plate and is used to fix the human calf. A second fixing band is arranged on the second support plate and is used to fix the human foot.

3. The wearable metatarsophalangeal joint rehabilitation device according to claim 1, wherein: A third fixing band is arranged on the forefoot plate and is used to fix the human toes.

4. The wearable metatarsophalangeal joint rehabilitation device according to claim 1, wherein: The forefoot plate gear is a sector gear, and the sector gear is fixed to the forefoot plate through bolts.

5. The wearable metatarsophalangeal joint rehabilitation device according to claim 1 or 4, characterized in that: The forefoot plate is rotatably connected to the front end of the bottom of the support plate through a pin shaft.

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