A joint rehabilitation device

Abstract

The present invention discloses a joint rehabilitation device, comprising a first guard plate and a second guard plate, wherein the first guard plate is a hollow cavity, a movement detection structure is arranged on the first guard plate, both sides of the top of the first guard plate extend upward to form a middle groove for bearing, a connecting block is arranged between the first guard plate and the second guard plate, a groove is opened on the first guard plate, a bearing is arranged in the groove, and one end of the connecting block is arranged in the bearing; the pressure point is detected by the movement detection structure, and the muscle is stimulated by the lifting structure, so as to prevent muscle atrophy by electrically stimulating the muscles with unbalanced muscle strength around the joint caused by weakness while maintaining the normal position of the joint, realize the recovery of the tension or muscle strength of the weak muscle, finally realize and maintain the good position of the joint, prevent the recurrence of muscle atrophy and joint deformity caused by long-term fixation, and restore the function of the joint.

Description

Technical Field

[0001] The invention relates to the technical field of rehabilitation machinery, in particular to a joint rehabilitation device. Background Art

[0002] When the ankle muscles, ligaments, bones or central nervous system are damaged, the ankle joint will often contract and deform due to long-term immobilization or disuse. In order to solve this problem, it is necessary to traction and stretch the muscles and ligaments around the ankle joint to restore the range of motion of the ankle joint. The commonly used rehabilitation medical method is to stretch the ankle joint by yourself or with the help of a doctor, or to perform rehabilitation training with the assistance of medical equipment.

[0003] The existing joint rehabilitation devices only support the affected limb during the rehabilitation process. However, in the process of supporting it, it does not rehabilitate and cannot train the muscles, causing the muscles around the joints to lose activity, atrophy, or secondary joint deformities. At the same time, since the current rehabilitation devices do not have real-time pressure monitoring function, if they are fixed too tightly, it will cause compression on the patient's skin and cause skin damage, while if they are fixed too loosely, it will not have a therapeutic effect. In view of this, in-depth research was conducted on the above-mentioned issues, which led to this case. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned problems. A joint rehabilitation device is designed to solve the problem that the existing joint rehabilitation device only supports the affected limb during the rehabilitation process, but does not rehabilitate the affected limb during the supporting process, and cannot train the muscles, causing the muscles around the joint to lose activity, muscle atrophy, or secondary deformities of the joint.

[0005] The technical solution of the present invention to achieve the above-mentioned purpose is: a joint rehabilitation device, comprising a first guard plate and a second guard plate, the first guard plate is a hollow cavity, a movement detection structure is arranged on the first guard plate, both sides of the top of the first guard plate extend upward to form a middle groove for bearing, a connecting block is arranged between the first guard plate and the second guard plate, a groove is provided on the first guard plate, a bearing is arranged in the groove, one end of the connecting block is arranged in the bearing, the bottom of the second guard plate is concave, rotation grooves are provided on both sides of the concave, a limiting structure is arranged between the other end of the connecting block and the rotation groove, and a lifting structure is installed on the second guard plate;

[0006] The movement detection structure comprises: a first threaded rod, a rotating rod, a first gear, a first driving motor, a second gear, a driving telescopic rod, a third gear, a pair of sliding rods with the same structure, a moving block and a pressure sensor;

[0007] The first threaded rod is arranged in the hollow cavity of the first guard plate, a rotating hole is opened at one end of the first guard plate, one end of the rotating rod passes through the rotating hole and is connected to the first threaded rod, a first gear is arranged at the other end of the rotating rod, the first driving motor is arranged on the first guard plate and is located on one side of the rotating rod, a second gear is arranged at the output end of the first driving motor, the second gear is meshed and connected with the first gear, a driving telescopic rod is arranged on the other side of the rotating rod, a third gear is sleeved on the driving telescopic rod, the third gear is meshed and connected with the second gear, a pair of sliding rods are arranged on the inner wall surface of the first guard plate and are located on both sides of the first threaded rod, the moving block is arranged on the first threaded rod and the pair of sliding rods, the first driving motor rotates to realize the reciprocating motion of the moving block in the first guard plate, the pressure sensor is arranged on the moving block and is located on the wall surface of the first guard plate and contacts;

[0008] A rotating shaft is arranged on both sides of the other end of the connecting block, a ring is arranged on the rotating shaft, a plurality of limiting holes are opened on the ring, a limiting groove is opened on the rotating groove, one end of the spring is arranged in the limiting groove, and the other end is connected to the limiting rod, and the limiting rod is arc-shaped on the side away from the spring, which matches the limiting hole.

[0009] The lifting structure comprises: a fixed box, a second threaded rod, a moving rod, a moving telescopic rod, and a fixing belt;

[0010] The second guard plate is an arc-shaped structure, a fixed box is provided on one side of the protrusion of the second guard plate, movable slots are provided on both sides of the fixed box, the second drive motor is provided in the fixed box, one end of the second threaded rod is connected to the output end of the second drive motor, and the other end is provided at the bottom of the second drive motor, the movable rod is provided on the second threaded rod, and both ends pass through the movable slot and are located outside the fixed box, a pair of slide slots are symmetrically provided on the second guard plate, a pair of movable telescopic rods pass through the pair of slide slots and are provided on both sides of the movable rods, the fixed belt is provided between the pair of movable telescopic rods, and an electric stimulation structure is installed on the fixed belt;

[0011] The electrical stimulation structure includes: a micro host, an output line and an electrode patch, the micro host is arranged on the outside of the fixing belt, the electrode patch is arranged on the inside of the fixing belt, the micro host and the electrode patch are electrically connected via the output line. When the spring is in a natural state, the end of the limiting rod away from the spring is located in the limiting hole.

[0012] The first guard plate is provided with a first limiting belt.

[0013] The second guard plate is provided with a second limiting belt.

[0014] The driving telescopic rod is provided with a handle.

[0015] The length of the fixed box is smaller than the length of the slide slot.

[0016] A protective box is arranged outside the first driving motor and the driving telescopic rod.

[0017] The first threaded rod is located in the middle of the first guard plate.

[0018] The first guard plate and the second guard plate are made of PVC material.

[0019] A joint rehabilitation device made using the technical solution of the present invention detects pressure points in real time by moving the detection structure, and then adjusts the attached electrical stimulation device on the lifting structure according to the detected pressure value to achieve physical muscle stimulation. The purpose is to maintain the normal position of the joint while stimulating the muscles with unbalanced muscle strength around the joints caused by weakness, thereby preventing muscle atrophy and restoring the tension or strength of the weak muscles, ultimately achieving and maintaining a good joint position, preventing the recurrence of joint deformities, and restoring joint function. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the main structure of a joint rehabilitation device described in the present invention.

[0021] Figure 2 A joint rehabilitation device according to the present invention Figure 1 Schematic diagram of the partially enlarged structure.

[0022] Figure 3 This is a schematic diagram of the first guard plate structure of a joint rehabilitation device described in the present invention.

[0023] Figure 4 This is a schematic diagram of the top view of the joint rehabilitation device described in the present invention.

[0024] In the figure: 1. first guard plate; 2. second guard plate; 3. connecting block; 4. bearing; 5. first threaded rod; 6. rotating rod; 7. first gear; 8. first drive motor; 9. second gear; 10. driving telescopic rod; 11. third gear; 12. sliding rod; 13. moving block; 14. pressure sensor; 15. rotating shaft; 16. collar; 17. spring; 18. limiting rod; 19. fixing box; 20. second threaded rod; 21. moving rod; 22. moving telescopic rod; 23. fixing belt; 24. micro host; 25. electrode sticker. DETAILED DESCRIPTION

[0025] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-4As shown, a joint rehabilitation device comprises a first guard plate 1 and a second guard plate 2, wherein the first guard plate 1 is a hollow cavity, a movement detection structure is arranged on the first guard plate 1, both sides of the top of the first guard plate 1 extend upward to form a middle groove for bearing, a connecting block 3 is arranged between the first guard plate 1 and the second guard plate 2, a groove is provided on the first guard plate 1, a bearing 4 is arranged in the groove, one end of the connecting block 3 is arranged in the bearing 4, the bottom of the second guard plate 2 is concave, rotation grooves are provided on both sides of the concave, a limiting structure is arranged between the other end of the connecting block 3 and the rotation groove, and a lifting Structure; The mobile detection structure includes: a first threaded rod 5, a rotating rod 6, a first gear 7, a first driving motor 8, a second gear 9, a driving telescopic rod 10, a third gear 11, a pair of sliding rods 12 with the same structure, a moving block 13 and a pressure sensor 14; the first threaded rod 5 is arranged in the hollow cavity of the first guard plate 1, a rotating hole is opened at one end of the first guard plate 1, one end of the rotating rod 6 passes through the rotating hole and is connected to the first threaded rod 5, the other end of the rotating rod 6 is provided with a first gear 7, the first driving motor 8 is arranged on the first guard plate 1, and is located on one side of the rotating rod 6, the first driving motor A second gear 9 is provided at the output end of the rotating rod 8, and the second gear 9 is meshedly connected with the first gear 7. A driving telescopic rod 10 is provided on the other side of the rotating rod 6, and a third gear 11 is mounted on the driving telescopic rod 10, and the third gear 11 is meshedly connected with the second gear 9. A pair of sliding rods 12 are provided on the inner wall surface of the first guard plate 1 and are located on both sides of the first threaded rod 5. The moving block 13 is provided on the first threaded rod 5 and the pair of sliding rods 12. The first driving motor 8 rotates to realize the reciprocating motion of the moving block 13 in the first guard plate 1. The pressure sensor 14 is provided on the moving block 13 and is located at the first The upper wall of the guard plate 1 is in contact; the limiting structure comprises: a rotating shaft 15, a collar 16, a spring 17 and a limiting rod 18; the other end of the connecting block 3 is provided with a rotating shaft 15 on both sides, the rotating shaft 15 is provided with a collar 16, the collar 16 is provided with a plurality of limiting holes, the rotating groove is provided with a limiting groove, one end of the spring 17 is arranged in the limiting groove, and the other end is connected to the limiting rod 18, the limiting rod 18 is arc-shaped away from the spring 17, and matches the limiting hole; the lifting structure comprises: a fixed box 19, a second threaded rod 20, a moving rod 21, a moving telescopic rod 22, and a fixing belt 23;The second guard plate 2 is an arc-shaped structure, a fixed box 19 is provided on one side of the protrusion of the second guard plate 2, and movable grooves are provided on both sides of the fixed box 19. The second drive motor is arranged in the fixed box 19, one end of the second threaded rod 20 is connected to the output end of the second drive motor, and the other end is arranged at the bottom of the second drive motor, the movable rod 21 is arranged on the second threaded rod 20, and both ends pass through the movable groove and are located outside the fixed box 19, a pair of slide grooves are symmetrically provided on the second guard plate 2, a pair of movable telescopic rods 22 pass through a pair of slide grooves and are arranged on both sides of the movable rod 21, the fixed belt 23 is arranged between the pair of movable telescopic rods 22, and an electric stimulation structure is installed on the fixed belt 23; the electric stimulation structure includes: a micro The micro host 24, output line and electrode sticker 25, the micro host 24 is arranged on the outside of the fixing belt 23, the electrode sticker 25 is arranged on the inside of the fixing belt 23, and the micro host 24 and the electrode sticker 25 are electrically connected through the output line; when the spring 17 is in the natural state, the end of the limit rod 18 away from the spring 17 is located in the limit hole; the first guard plate 1 is provided with a first limit belt; the second guard plate 2 is provided with a second limit belt; the driving telescopic rod 10 is provided with a handle; the length of the fixing box 19 is less than the length of the slide; the first driving motor 8 and the driving telescopic rod 10 are provided with a protective box outside; the first threaded rod 5 is located in the middle of the first guard plate 1; the first guard plate 1 and the second guard plate 2 are made of PVC material. ;

[0026] The feature of this embodiment is that a joint rehabilitation device includes a first guard plate 1 and a second guard plate 2, the first guard plate 1 is a hollow cavity, a movement detection structure is arranged on the first guard plate 1, the top two sides of the first guard plate 1 extend upward to form a middle groove for bearing, a connecting block 3 is arranged between the first guard plate 1 and the second guard plate 2, a groove is opened on the first guard plate 1, a bearing 4 is arranged in the groove, one end of the connecting block 3 is arranged in the bearing 4, the bottom of the second guard plate 2 is concave, and rotation grooves are opened on both sides of the concave, and a limited space is arranged between the other end of the connecting block 3 and the rotation groove The second guard plate 2 is provided with a lifting structure; the movement detection structure comprises: a first threaded rod 5, a rotating rod 6, a first gear 7, a first driving motor 8, a second gear 9, a driving telescopic rod 10, a third gear 11, a pair of sliding rods 12 with the same structure, a moving block 13 and a pressure sensor 14; the first threaded rod 5 is arranged in the hollow cavity of the first guard plate 1, a rotating hole is opened at one end of the first guard plate 1, one end of the rotating rod 6 passes through the rotating hole and is connected to the first threaded rod 5, the other end of the rotating rod 6 is provided with a first gear 7, the first driving motor 8 is arranged at the first A guard plate 1 is arranged on one side of the rotating rod 6, a second gear 9 is arranged at the output end of the first driving motor 8, and the second gear 9 is meshedly connected with the first gear 7, a driving telescopic rod 10 is arranged on the other side of the rotating rod 6, and a third gear 11 is mounted on the driving telescopic rod 10, and the third gear 11 is meshedly connected with the second gear 9, a pair of sliding rods 12 are arranged on the inner wall surface of the first guard plate 1, and are located on both sides of the first threaded rod 5, the moving block 13 is arranged on the first threaded rod 5 and the pair of sliding rods 12, the first driving motor 8 rotates, and the moving block 13 is realized in the first guard plate 1. The plate 1 reciprocates, the pressure sensor 14 is arranged on the moving block 13, and is located in contact with the upper wall of the first guard plate 1; the limiting structure includes: a rotating shaft 15, a ring 16, a spring 17 and a limiting rod 18; the other end of the connecting block 3 is provided with a rotating shaft 15 on both sides, the rotating shaft 15 is provided with a ring 16, the ring 16 is provided with a plurality of limiting holes, the rotating groove is provided with a limiting groove, one end of the spring 17 is arranged in the limiting groove, and the other end is connected to the limiting rod 18, and the limiting rod 18 is arc-shaped away from the spring 17 and matches the limiting hole. The pressure points are detected by moving the detection structure, and the muscles are stimulated by the lifting structure. The purpose is to maintain the normal position of the joints while stimulating the muscles with unbalanced strength around the joints due to weakness, thereby preventing muscle atrophy and restoring the tension or strength of the weak muscles. Ultimately, a good joint position is achieved and maintained, and the recurrence of joint deformities is prevented. At the same time, through the monitoring of the pressure measuring structure, the occurrence of local skin compression injuries is avoided and the function of the joints is restored.

[0027] The following are the models of some of the electrical components mentioned in this case;

[0028] The first drive motor and the second drive motor are servo motors produced by TTMOTOR.

[0029] The following is a description of some of the material shapes and materials used in this case;

[0030] The first guard plate: a plate made of plastic material.

[0031] The second guard plate: a plate made of plastic material.

[0032] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and a suitable controller should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process, and no longer explains the electrical control.

[0033] Embodiment: According to the attached Figure 1-4When in use, an app is set on the mobile phone to connect to the device. The app can track the pressure of the rehabilitation patient in real time when in use. According to the detected real-time pressure data, the position of the first guard plate is adjusted to perform rehabilitation repair on the patient. One side of the rehabilitation patient's joint goes deep into the first guard plate 1. The two sides of the bottom of the first guard plate 1 extend upward to form a middle depression in the middle to support one side of the joint. It is fixed by the first limiting belt. The second guard plate 2 is located on the other side of the joint and is fixed by the second limiting belt. Turn on the switch, the first drive motor 8 rotates, thereby driving the first gear 7 to rotate through the second gear 9, and driving the first threaded rod 5 to rotate. Since the two ends of the moving block 13 are mounted on the sliding rod 12, and the middle part is mounted on the first threaded rod 5, Thereby, the moving block 13 can move on the first threaded rod 5. At the same time, when the first driving motor 8 is not started, since the driving telescopic rod 10 can be extended and retracted, when the first driving motor 8 is started, the driving telescopic rod 10 is contracted, and the third gear 11 is not in contact with the first gear 7. When manual rotation is required, the driving telescopic rod 10 can be pulled forward to make the third gear 11 mesh with the first gear 7, thereby turning the handle to drive the first gear 7 to rotate, thereby realizing the rotation of the first threaded rod 5. A pressure sensor 14 is installed on the moving block 13. The pressure sensor 14 performs multi-location pressure detection on the limbs on the first guard plate 1, and adjusts the position of the joint according to the force structure after detection. A connecting block 3 is provided on the first guard plate 1, and one end of the first guard plate 1 is opened. A groove is provided, and a bearing 4 is installed between the connecting block 3 and the inner wall of the groove, so that the first guard plate 1 can be rotated relative to the second guard plate 2, so that the relative rotation of the limbs on both sides of the joint can be realized, and the rotation alignment of the joint can be effectively adjusted. A rotating shaft 15 is provided on both sides of the other end of the connecting plate, and the bottom of the second guard plate 2 is concave, and a rotating groove is provided on the walls on both sides of the concave. The rotating shaft 15 is located in the rotating groove, and a ring 16 is provided between the rotating shaft 15 and the rotating groove. A plurality of limiting holes are provided on the outer circumferential surface of the ring 16. The angle between the limiting holes can be adjusted as needed, which can be 30 degrees or 60 degrees. A limiting groove is provided on the rotating groove of the second guard plate 2, and a spring 17 and a limiting rod 18 are installed in the limiting groove. The end of the limiting rod 18 away from the spring 17 is The arc shape matches the limiting hole. When the spring 17 is in the natural state, one end of the limiting rod 18 is arranged in the limiting hole for clamping. When the force is large, the limiting rod 18 will slide out of the limiting groove to realize the flexion and extension of the patient. During flexion and extension, the limiting rod and the limiting hole are clamped to generate resistance, which reminds the patient of the angle of joint rotation. Rehabilitation training of angles can be carried out according to actual needs to achieve effective and gradual rehabilitation. The data of each force point is detected in real time by the pressure sensor 14. According to the data, the second drive motor behind the second guard plate 2 drives the second threaded rod 20 to rotate. Moving grooves are opened on both sides of the fixed box 19 behind the second guard plate 2. The moving rod 21 is mounted on the second threaded rod 20, and both ends pass through the moving grooves. Since the moving groove limits the moving rod 21,When the second threaded rod 20 rotates, the moving rod 21 will reciprocate. The moving telescopic rods 22 are installed on both sides of the moving rod 21. When the limb is placed on the second guard plate 2, the length of the moving telescopic rods 22 can be adjusted to make the fixing belt 23 close to the limb. The fixing belt 23 is installed with an electrode patch 25 on one side of the relative limb and a micro host 24 on the other side. The electrode patch 25 is electrically connected to the micro host 24 to electrically stimulate the muscles on both sides of the joint, effectively preventing muscle atrophy, achieving the recovery of weak muscle tension or muscle strength, preventing the recurrence of joint deformity, and restoring joint function.

[0034] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims

1. A joint rehabilitation device, characterized in that: The invention comprises a first guard plate (1) and a second guard plate (2), wherein the first guard plate (1) is a hollow cavity, a movement detection structure is arranged on the first guard plate (1), both sides of the top of the first guard plate (1) extend upward to form a middle groove for bearing, a connecting block (3) is arranged between the first guard plate (1) and the second guard plate (2), a groove is provided on the first guard plate (1), a bearing (4) is arranged in the groove, one end of the connecting block (3) is arranged in the bearing (4), the bottom of the second guard plate (2) is concave, rotation grooves are provided on both sides of the concave, a limiting structure is arranged between the other end of the connecting block (3) and the rotation groove, and a lifting structure is installed on the second guard plate (2); The movement detection structure comprises: a first threaded rod (5), a rotating rod (6), a first gear (7), a first driving motor (8), a second gear (9), a driving telescopic rod (10), a third gear (11), a pair of sliding rods (12) of the same structure, a moving block (13) and a pressure sensor (14); The first threaded rod (5) is arranged in the hollow cavity of the first guard plate (1); a rotation hole is opened at one end of the first guard plate (1); one end of the rotation rod (6) passes through the rotation hole and is connected to the first threaded rod (5); the other end of the rotation rod (6) is provided with a first gear (7); the first drive motor (8) is arranged on the first guard plate (1) and is located on one side of the rotation rod (6); a second gear (9) is arranged at the output end of the first drive motor (8); the second gear (9) is meshedly connected with the first gear (7); the other side of the rotation rod (6) is provided with a drive telescopic rod (1 0), a third gear (11) is mounted on the driving telescopic rod (10), the third gear (11) is meshedly connected with the second gear (9), a pair of sliding rods (12) are arranged on the inner wall surface of the first guard plate (1), and are located on both sides of the first threaded rod (5), the moving block (13) is arranged on the first threaded rod (5) and the pair of sliding rods (12), the first driving motor (8) rotates to realize the reciprocating movement of the moving block (13) in the first guard plate (1), and the pressure sensor (14) is arranged on the moving block (13), and is located in contact with the upper wall surface of the first guard plate (1); The limiting structure comprises: a rotating shaft (15), a collar (16), a spring (17) and a limiting rod (18); A rotating shaft (15) is arranged on both sides of the other end of the connecting block (3), a collar (16) is arranged on the rotating shaft (15), a plurality of limiting holes are arranged on the collar (16), a limiting groove is arranged on the rotating groove, one end of the spring (17) is arranged in the limiting groove, and the other end is connected to the limiting rod (18), and the side of the limiting rod (18) away from the spring (17) is arc-shaped and matches the limiting hole; The lifting structure comprises: a fixed box (19), a second threaded rod (20), a moving rod (21), a moving telescopic rod (22), and a fixing belt (23); The second guard plate (2) is an arc-shaped structure, a fixed box (19) is provided on one side of the protrusion of the second guard plate (2), movable grooves are provided on both sides of the fixed box (19), a second drive motor is provided in the fixed box (19), one end of the second threaded rod (20) is connected to the output end of the second drive motor, and the other end is provided at the bottom of the second drive motor, the movable rod (21) is provided on the second threaded rod (20), and both ends pass through the movable groove and are located outside the fixed box (19), a pair of sliding grooves are symmetrically provided on the second guard plate (2), a pair of movable telescopic rods (22) pass through the pair of sliding grooves and are provided on both sides of the movable rod (21), the fixed belt (23) is provided between the pair of movable telescopic rods (22), and an electric stimulation structure is installed on the fixed belt (23); The electrical stimulation structure comprises: a micro-host (24), an output line and an electrode patch (25), wherein the micro-host (24) is arranged on the outside of the fixing belt (23), the electrode patch (25) is arranged on the inside of the fixing belt (23), and the micro-host (24) and the electrode patch (25) are electrically connected via the output line; When the spring (17) is in a natural state, one end of the limiting rod (18) away from the spring (17) is located in the limiting hole.

2. A joint rehabilitation device according to claim 1, characterized in that: The first guard plate (1) is provided with a first limiting belt.

3. A joint rehabilitation device according to claim 1, characterized in that: A second limiting belt is provided on the second guard plate (2).

4. A joint rehabilitation device according to claim 1, characterized in that: The driving telescopic rod (10) is provided with a handle.

5. The joint rehabilitation device according to claim 1, characterized in that: The length of the fixed box (19) is smaller than the length of the slide slot.

6. A joint rehabilitation device according to claim 1, characterized in that: A protective box is provided outside the first driving motor (8) and the driving telescopic rod (10).

7. A joint rehabilitation device according to claim 1, characterized in that: The first threaded rod (5) is located in the middle of the first guard plate (1).

8. The joint rehabilitation device according to claim 1, characterized in that: The first protective plate (1) and the second protective plate (2) are made of PVC material.

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