Wearable rehabilitation training device
By designing adjustment and protection mechanisms for wearable rehabilitation trainers, the problem of the lack of protection functions in existing trainers has been solved, enabling ankle joint fixation and safe rehabilitation training.
Patent Information
- Application Number
- CN202511461082.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-14
- Publication Date
- 2026-01-02
AI Technical Summary
Existing ankle rehabilitation devices lack protective features, and patients' rapid ankle rotation can actually hinder the rehabilitation process.
A wearable rehabilitation trainer was designed, comprising an adjustment mechanism, a rotation mechanism, and a protection mechanism. Through the coordinated operation of a pneumatic component and a friction component, it detects the ankle joint rotation speed and provides resistance when necessary to protect the ankle joint.
This method achieves ankle joint fixation and protection during rehabilitation training, preventing patients from rapidly rotating their ankles and improving the safety and effectiveness of training.
Smart Images
Figure CN121242901A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of medical devices, in particular to a wearable rehabilitation training device. BACKGROUND
[0002] The ankle joint is an important part of the lower limbs, located between the lower leg and the foot, composed of the lower end of the tibia, fibula and talus, bearing the functions of supporting body weight, walking, running and jumping, and having the functions of buffering and shock absorption. Fracture and dislocation of the ankle joint are common injuries in orthopedics, which are often caused by ankle sprain after indirect violence. Different types of fractures can be caused by different directions, sizes of violence and positions of the foot at the time of injury.
[0003] After ankle joint fracture, a period of fixation is needed to allow the fracture site to heal. After a few weeks, rehabilitation training of the ankle joint, i.e. dorsiflexion and plantar flexion, is needed. During rehabilitation training, the patient needs to rotate the ankle slowly and evenly. However, the existing training device does not have a protection function, and the patient's rapid rotation of the ankle not only cannot play a rehabilitation role, but also hinders rehabilitation. Therefore, a wearable rehabilitation training device is needed to solve the above problems. SUMMARY
[0004] The summary portion of the present application is used to introduce the concepts in a brief form, which will be described in detail in the specific embodiments section. The summary portion of the present application is not intended to identify key or essential features of the claimed technical solutions, nor is it intended to limit the scope of the claimed technical solutions.
[0005] To solve the technical problems mentioned in the background section, some embodiments of the present application provide a wearable rehabilitation training device, which comprises a first brace, a second brace, a plurality of first connecting rods fixed at one end on the first brace and at the other end on the second brace, a third brace sliding on the first connecting rod, an adjusting mechanism provided on the first brace, the second brace and the third brace, a rotating mechanism provided symmetrically on the third brace and penetrating the second brace, and a protection mechanism provided symmetrically on the rotating mechanism and the third brace; the rotating mechanism comprises a plurality of second connecting rods fixed on the third brace and penetrating the second brace, a locking assembly fixed on the second connecting rod, and a fourth brace provided on the locking assembly; the protection mechanism comprises a friction assembly provided on the locking assembly and the second connecting rod, a control assembly provided on the third brace and the fourth brace, and a pneumatic assembly provided on the third brace.
[0006] Specifically, a plurality of restraint belts are provided on the first brace, the second brace, the third brace and the fourth brace, and a plurality of mother and daughter stickers are provided on the restraint belts.
[0007] Specifically, the adjusting mechanism comprises a first threaded rod fixed at one end on the first support and at the other end on the second support and penetrating through the second support, a second sliding groove fixed on the third support, and a first adjusting ring rotatably arranged on the second sliding groove and engaged with the first threaded rod.
[0008] Specifically, the locking assembly comprises a first bracket fixed on the second connecting rod, an unlocking block slidingly arranged on the first bracket, a plurality of locking holes symmetrically fixed on the first bracket, a locking slot symmetrically fixed on the unlocking block, a locking head slidingly arranged on the locking slot, a first spring fixed at one end on the locking head and at the other end on the unlocking block, an arc-shaped rack fixed on the fourth support, and a limiting tooth fixed on the unlocking block.
[0009] Specifically, the friction assembly comprises a friction ring fixed on the first bracket, a friction block slidingly arranged on the first bracket, a third connecting rod slidingly arranged on the first bracket and the second connecting rod, and a plurality of second springs fixed at one end on the third connecting rod and at the other end on the friction block.
[0010] Specifically, the control assembly comprises a first sliding block slidingly arranged on the third support, a fourth connecting rod rotatably arranged at one end on the first sliding block and at the other end on the fourth support, a first gear rotatably arranged on the third support, a first rack slidingly arranged on the third support and engaged with the first gear, a pair of intermittent gears symmetrically arranged on both sides of the first gear and coaxially arranged on the first gear, a second rack slidingly arranged on the third support and engaged with the intermittent gear, a torsion spring fixed at one end on the intermittent gear and at the other end on the third support, and a third spring fixed at one end on the second rack and at the other end on the third support; the second rack is fixedly connected with the third connecting rod.
[0011] Specifically, the air pressure assembly comprises a first air bag fixed at one end on one side of the first sliding block and at the other end on the third support, a second air bag fixed at one end on the other side of the first sliding block and at the other end on the third support, and a third air bag fixed at one end on one side of the first rack and at the other end on the third support; the first air bag is in communication with the third air bag; the second air bag is in communication with the third air bag; the third air bag is provided with a pressure relief valve; and the first air bag and the second air bag are provided with air inlet valves.
[0012] The present application has the following advantages: (1) The present rehabilitation training device has the functions of fixing the ankle joint and assisting the ankle joint rehabilitation training. Compared with the existing supports, the device does not need to be dismounted and replaced with a training device during training, but only needs to pull down the unlocking block to switch the working mode, which is convenient to operate.
[0013] (2) When the rehabilitation training is carried out, the two unlocking blocks on the sides are pulled downward, so that the locking head is located in another locking hole, at this time, the limiting teeth are out of contact with the arc-shaped rack, the fourth brace can rotate, when the fourth brace rotates, the first air bag and the second air bag will alternately inflate the third air bag, the gas in the third air bag will continue to be discharged from the pressure relief valve, when the rotation speed and frequency of the fourth brace are kept within a certain range, the third air bag will slightly expand, driving the first rack to rise, and then the first gear rotates, the first gear rotates synchronously with the intermittent gear, the torsional spring is twisted, the intermittent gear drives the second rack to move downward, the second rack drives the third connecting rod to move downward, so that the friction block moves downward, since the friction block and the friction ring have a certain distance, at this time, the friction block and the friction ring will not contact, the gas in the third air bag is discharged from the pressure relief valve, and the expansion degree remains relatively balanced, since it is an intermittent gear, after the intermittent gear drives the second rack to move, it will first disengage from the second rack, the second rack is reset by the third spring, that is, the friction block is reset, when the intermittent gear rotates to the next tooth and engages with the second rack, it continues to drive the second rack to move downward, and the second rack keeps reciprocating, which can continuously detect the rotation speed and frequency of the fourth brace, that is, the rotation of the ankle joint; when the rotation speed and frequency of the fourth brace exceed a certain value, that is, the inflation frequency of the first air bag and the second air bag to the third air bag increases, that is, the inflation amount of the third air bag is much larger than the exhaust amount of the pressure relief valve, the third air bag will rapidly expand, causing the first rack to rapidly move upward, resulting in an increase in the rotation speed of the intermittent gear, that is, the time of disengagement of the intermittent gear from the second rack is reduced, the second rack engages with the intermittent gear again and is driven downward by the intermittent gear, so that the friction block contacts the friction ring, increasing the rotation resistance of the fourth brace, so that the patient slows down the rotation speed of the ankle joint, protecting the ankle joint of the patient. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the application and, together with their description, serve to explain the application.
[0015] In addition, throughout the drawings, same or similar reference numerals designate same or similar elements. It should be understood that the drawings are schematic, and elements and elements are not necessarily drawn to scale.
[0016] In the drawings: Figure 1 is a structural schematic diagram of the present application; Figure 2 is a front view of the present application; Figure 3 is Figure 2 is a line section view of A-A in FIG. 4; Figure 4 isFigure 2 a line section of B-B; Figure 5 is Figure 2 a line section of C-C; Figure 6 is Figure 5 a line section of D-D; Figure 7 is Figure 2 a line section of E-E; Figure 8 is Figure 4 a close-up view of F; Figure 9 is Figure 5 a close-up view of G; Figure 10 is Figure 6 a close-up view of H; Figure 11 is Figure 2 a line section of I-I. DETAILED DESCRIPTION
[0017] Embodiments of the present disclosure will be described in detail below with reference to the drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms, and should not be interpreted as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly and completely understood. It should be understood that the drawings and embodiments of the present disclosure are merely for exemplary purposes, and are not intended to limit the scope of protection of the present disclosure.
[0018] It should also be noted that, for ease of description, only parts related to the present application are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.
[0019] It should be noted that the terms "first", "second", and the like mentioned in the present disclosure are merely used to distinguish different devices, modules or units, and are not intended to limit the order or interdependence of the functions performed by these devices, modules or units.
[0020] It should be noted that the terms "one", "multiple" mentioned in the present disclosure are illustrative and not restrictive, and those skilled in the art should understand that, unless otherwise explicitly stated in the context, it should be understood as "one or more".
[0021] The present disclosure will be described in detail below with reference to the drawings and in conjunction with the embodiments.
[0022] Reference Figures 1-11As shown, the wearable rehabilitation training device comprises a first brace 1, a second brace 2, a plurality of first connecting rods 3 fixed at one end on the first brace and at the other end on the second brace, a third brace 4 slidably arranged on the first connecting rod, an adjusting mechanism 5 arranged on the first brace, the second brace and the third brace, a rotating mechanism 6 symmetrically arranged on the third brace and penetrating the second brace, and a protection mechanism 7 symmetrically arranged on the rotating mechanism and the third brace. The rotating mechanism comprises a plurality of second connecting rods 61 fixed on the third brace and penetrating the second brace, a locking assembly 62 fixed on the second connecting rod, and a fourth brace 63 arranged on the locking assembly. The protection mechanism comprises a friction assembly 71 arranged on the locking assembly and the second connecting rod, a control assembly 72 arranged on the third brace and the fourth brace, and a pneumatic assembly 73 arranged on the third brace. The first brace, the second brace, the third brace and the fourth brace are prior art, and a clamping piece needs to be placed on the inside of the brace when worn. The first connecting rod is used to connect the first brace and the second brace, and there is a gap between the first brace, the second brace, the third brace and the fourth brace, which reduces the overall weight of the device and improves the wearing comfort. At the same time, it can improve the air permeability when the patient wears it. The adjusting mechanism is used to adjust the position of the third brace, and then adjust the position of the fourth brace away from the lower end of the second brace. The fourth brace is adjusted to the appropriate position to facilitate rehabilitation training. The rotating mechanism can adjust the rotation angle of the fourth brace. In the initial state, the fourth brace is perpendicular to the second brace, which plays a role in fixing the ankle joint. After unlocking, the fourth brace can rotate. The protection mechanism can slow down when the rotation speed is relatively fast, and the ankle is protected. The friction assembly is used for deceleration. The pneumatic assembly is used to judge the rotation speed of the fourth brace, that is, to judge the activity speed of the ankle, and can cooperate with the control assembly to adjust the position of the friction assembly to achieve the effect of deceleration.
[0023] Specifically, a plurality of binding belts 8 are arranged on the first brace, the second brace, the third brace and the fourth brace, and a plurality of mother-son stickers 9 are arranged on the binding belts. The binding belts and the mother-son stickers are prior art and are used to fix each brace.
[0024] Specifically, the adjusting mechanism comprises a first threaded rod 51 fixed at one end on the first brace and at the other end on the second brace and penetrating the second brace, a second sliding groove 52 fixed on the third brace, and a first adjusting ring 53 rotatably arranged on the second sliding groove and engaged with the first threaded rod. The first threaded rod is fixed at one end on the first brace and at the other end on the second brace, so the first threaded rod itself will not rotate. The inside of the first adjusting ring is provided with a thread which is engaged with the first threaded rod. When the first adjusting ring is rotated, the first adjusting ring moves upward through the first threaded rod, thereby driving the third brace to move. The third brace is connected with the fourth brace, so the fourth brace can be moved.
[0025] Specifically, the locking assembly includes a first bracket 621 fixed on the second connecting rod, an unlocking block 622 sliding on the first bracket, a plurality of locking holes 623 symmetrically fixed on the first bracket, a locking slot 624 symmetrically fixed on the unlocking block, a locking head 625 sliding on the locking slot, a first spring 626 having one end fixed on the locking head and the other end fixed on the unlocking block, an arc-shaped rack 627 fixed on the fourth support, and a limiting tooth 628 fixed on the unlocking block; in the initial stage of treatment, each support needs to play a role in fixing the joint, so the fourth support needs to be fixed and perpendicular to the remaining supports at this time, and the limiting tooth is engaged with the arc-shaped rack; when training is needed, the unlocking blocks on both sides are pulled down, so that the locking head is located in another locking hole, and at this time the limiting tooth is disengaged from the arc-shaped rack, so that the fourth support can be rotated; the limiting tooth and the arc-shaped rack can also fix the ankle joint at different angles.
[0026] Specifically, the friction assembly includes a friction ring 711 fixed on the first bracket, a friction block 712 sliding on the first bracket, a third connecting rod 713 sliding on the first bracket and the second connecting rod, and a plurality of second springs 714 having one end fixed on the third connecting rod and the other end fixed on the friction block; the friction block and the friction ring have a certain distance in the initial state; after the rotation speed of the fourth support exceeds a certain value, the friction block moves downward to contact the friction ring, increasing the resistance when the fourth support rotates, reminding the patient to rotate the ankle slowly and uniformly; the faster the speed, the longer the third connecting rod moves, that is, the more the second spring is compressed, the greater the pressure of the friction block on the friction ring, the greater the friction, and the greater the rotation resistance; the certain distance between the friction block and the friction ring can control the rotation speed of the fourth support within a range; since the patient cannot accurately control the rotation speed of the ankle to a value, the rotation speed will only be reduced when it exceeds a certain value, rather than triggering deceleration when it is slightly faster, thereby improving the usability and practicality of the training device.
[0027] Specifically, the control assembly comprises a first slider 721 slidingly arranged on the third support, a fourth connecting rod 722 having one end rotatably arranged on the first slider and the other end rotatably arranged on the fourth support, a first gear 723 rotatably arranged on the third support, a first rack 724 slidingly arranged on the third support and engaged with the first gear, intermittent gears 725 symmetrically arranged on both sides of the first gear and coaxially arranged with the first gear, a second rack 726 slidingly arranged on the third support and engaged with the intermittent gears, a torsion spring 727 having one end fixedly arranged on the intermittent gears and the other end fixedly arranged on the third support, and a third spring 728 having one end fixedly arranged on the second rack and the other end fixedly arranged on the third support; the second rack is fixedly connected with the third connecting rod; when the fourth support rotates, the first slider slides through the fourth connecting rod, thereby driving the pneumatic assembly to work, moving the first rack upward, driving the first gear to rotate, synchronously rotating the first gear and the intermittent gear, twisting the torsion spring, moving the second rack downward through the intermittent gear, and driving the friction assembly to work through the third connecting rod; since the intermittent gear and the second rack do not continuously engage, when the fourth support slowly rotates, the intermittent gear and the second rack will be disengaged for a period of time after engaging, during which the second rack and the intermittent gear can automatically reset, i.e., the friction assembly can continuously and automatically reset.
[0028] Specifically, the pneumatic assembly comprises a first air bag 731 having one end fixedly arranged on one side of the first slider and the other end fixedly arranged on the third support, a second air bag 732 having one end fixedly arranged on the other side of the first slider and the other end fixedly arranged on the third support, and a third air bag 733 having one end fixedly arranged on one side of the first rack and the other end fixedly arranged on the third support; the first air bag is in communication with the third air bag; the second air bag is in communication with the third air bag; the third air bag is provided with a pressure relief valve; the first air bag and the second air bag are provided with air inlet valves; the pressure relief valve is in communication with the outside and is a one-way valve; the air inlet valves of the first air bag and the second air bag are in communication with the outside and are one-way valves; the first air bag and the second air bag inflate the third air bag and are provided with one-way valves, so that gas cannot flow back into the air bag after being discharged; when the fourth support rotates, the first slider slides through the fourth connecting rod, the first slider alternately presses the first air bag and the second air bag, and the third air bag is continuously inflated; when the first slider moves upward, the first air bag inflates the third air bag and the second air bag is stretched to intake air from the outside; when the second air bag slides downward, the second air bag inflates the third air bag and the first air bag is stretched to intake air from the outside; the pressure relief valve is in a normally open state, and the size of the air vent can be adjusted to adjust the air release speed.
[0029] In the early stage of treatment, the ankle joint needs to be fixed to heal the fracture, so the fourth brace needs to be fixed and kept vertical with the rest of the braces, at this time the limiting teeth are engaged with the arc-shaped gear rack, the fourth brace cannot rotate; when rehabilitation training is needed, pull down the unlocking blocks on both sides, so that the locking head is located in another locking hole, at this time the limiting teeth are disengaged from the arc-shaped gear rack, the fourth brace can rotate, when the fourth brace rotates, it will drive the first air bag and the second air bag to inflate the third air bag alternately, the gas in the third air bag will continue to discharge from the pressure relief valve, when the rotation speed and frequency of the fourth brace are kept within a certain range, the third air bag will slightly expand, driving the first rack to rise, and then rotating the first gear, the first gear rotates synchronously with the intermittent gear, the torsional spring is twisted, the intermittent gear drives the second rack to move downward, the second rack drives the third connecting rod to move downward, and the friction block moves downward, since the friction block and the friction ring have a certain distance, the friction block and the friction ring will not contact at this time, the gas in the third air bag is discharged from the pressure relief valve, and the expansion degree remains relatively balanced, since it is an intermittent gear, after the intermittent gear drives the second rack to move, it will first disengage from the second rack, the second rack is reset by the third spring, that is, the friction block is reset, when the intermittent gear rotates to the next tooth and engages with the second rack, it continues to drive the second rack to move downward, and the second rack keeps reciprocating, which can continuously detect the rotation speed and frequency of the fourth brace, that is, the rotation of the ankle joint; when the rotation speed and frequency of the fourth brace exceed a certain value, that is, the inflation frequency of the first air bag and the second air bag to the third air bag increases, that is, the inflation amount of the third air bag is much larger than the exhaust amount of the pressure relief valve, the third air bag will rapidly expand, causing the first rack to rapidly move upward, causing the rotation speed of the intermittent gear to increase, that is, the time of disengagement of the intermittent gear from the second rack is reduced, the second rack engages with the intermittent gear again without resetting and is driven downward by the intermittent gear, causing the friction block to contact the friction ring, increasing the rotation resistance of the fourth brace, slowing down the rotation speed of the ankle joint of the patient, protecting the ankle joint of the patient, adjusting the size of the pressure relief hole of the pressure relief valve, that is, adjusting the upper limit of the rotation speed and frequency of the fourth brace that triggers deceleration.
[0030] The above description is only some of the preferred embodiments of the present disclosure and a description of the principles of the technology used. Those skilled in the art should understand that the scope of the application involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with each other to form a technical solution with similar functions disclosed in the embodiments of the present disclosure (but not limited to).
Claims
1. A wearable rehabilitation trainer, characterized in that: The application relates to a supporting device, which comprises a first support, a second support, a plurality of first connecting rods fixed at one end on the first support and at the other end on the second support, a third support sliding on the first connecting rods, an adjusting mechanism arranged on the first support, the second support and the third support, a rotating mechanism symmetrically arranged on the third support and penetrating through the second support, and a protection mechanism symmetrically arranged on the rotating mechanism and the third support.
2. The wearable rehabilitation training device according to claim 1, characterized in that: The first support, the second support, the third support and the fourth support are provided with a plurality of binding belts, and the binding belts are provided with a plurality of sub-mother stickers.
3. The wearable rehabilitation training device according to claim 1, wherein: The adjusting mechanism comprises a first threaded rod fixed at one end on the first support and at the other end on the second support and penetrating through the second support, a second sliding groove fixed on the third support, and a first adjusting ring rotating on the second sliding groove and engaging with the first threaded rod.
4. The wearable rehabilitation training device according to claim 1, characterized in that: The locking assembly comprises a first support fixed on the second connecting rod, an unlocking block sliding on the first support, a plurality of locking holes symmetrically fixed on the first support, a locking groove symmetrically fixed on the unlocking block, a locking head sliding on the locking groove, a first spring fixed at one end on the locking head and at the other end on the unlocking block, an arc-shaped rack fixed on the fourth support, and a limiting tooth fixed on the unlocking block.
5. The wearable rehabilitation training device according to claim 4, characterized in that: The friction assembly comprises a friction ring fixed on the first support, a friction block sliding on the first support, a third connecting rod sliding on the first support and the second connecting rod, and a plurality of second springs fixed at one end on the third connecting rod and at the other end on the friction block.
6. The wearable rehabilitation training device according to claim 5, characterized in that: The control assembly comprises a first sliding block sliding on the third support, a fourth connecting rod rotating at one end on the first sliding block and at the other end on the fourth support, a first gear rotating on the third support, a first rack sliding on the third support and engaging with the first gear, intermittent gears symmetrically arranged on both sides of the first gear and coaxially arranged on the first gear, a second rack sliding on the third support and engaging with the intermittent gears, a torsion spring fixed at one end on the intermittent gear and at the other end on the third support, and a third spring fixed at one end on the second rack and at the other end on the third support.
7. The wearable rehabilitation training device according to claim 6, characterized in that: The air pressure assembly comprises a first air bag fixed at one end on one side of the first sliding block and at the other end on the third support, a second air bag fixed at one end on the other side of the first sliding block and at the other end on the third support, and a third air bag fixed at one end on one side of the first rack and at the other end on the third support. The first air bag and the third air bag are communicated, the second air bag and the third air bag are communicated, the third air bag is provided with a pressure relief valve, and the first air bag and the second air bag are provided with air inlet valves.