Finger joint rehabilitation training device for hand surgery

Abstract

The invention belongs to the technical field of finger rehabilitation training devices, and relates to a finger joint rehabilitation training device for hand surgery. The device comprises a fixing ring, a fingerstall and a resistance mechanism. An inner ring of the fixed ring is connected with a sliding ring, and an inner ring of the sliding ring is coaxially and rotatably connected with a rotating ring. And a supporting plate is fixedly arranged in the rotating ring. The front end of the fixing ring is fixedly connected with an end face gear, a rotating shaft is rotationally installed on the front side of the supporting plate, and a first gear matched with the end face gear is fixed to the end of the rotating shaft. When the first gear is engaged with the face gear, the patient may use an auxiliary exercise mode. Then the patient rotates the palm, the rotating ring and the rotating shaft are rotated, the second rope is wound on the rotating shaft, the second rope drives the fingers to bend, the tension spring is stretched, then the palm is reversely rotated, the rotating ring is reversely rotated, the rotating shaft conducts the paying-off action, and under the action of the tension spring, the first rope drives the fingers to stretch. The patient may use an autonomous exercise mode when the first gear is disengaged from the face gear.

Description

Technical Field

[0001] The present invention belongs to the technical field of finger rehabilitation training devices and relates to a knuckle rehabilitation training device for hand surgery. Background Technique

[0002] After hand surgery, due to the need for fixation for a long time in most cases, combined with factors such as pain, swelling, and infection, the active movement of the fingers is inconvenient, and finally the knuckles become stiff, the muscles become weak, and the normal function of the hand is affected. In order to restore the normal function of the hand, finger rehabilitation exercises are required. Finger rehabilitation exercises help promote blood circulation, promote nerve repair, improve joint mobility, prevent muscle atrophy, etc. In order to assist patients in better exercising to achieve better exercise results, there are currently various equipment for exercising fingers, but mainly applicable to the situation where the user can exercise independently.

[0003] For example, a patent document with the publication number CN112755470A discloses a device for finger flexibility exercise or recovery. By setting an elastic mechanism, a sleeve, spring A, guide wheels, and finger rings, the device can change the intensity of finger exercise. The exercise mode of this device is single and is suitable for patients whose fingers can bend independently. For patients whose fingers cannot bend independently, this device is not applicable.

[0004] To solve the above problems, the present invention proposes a knuckle rehabilitation training device for hand surgery. Summary of the Invention

[0005] To solve the problems in the background technique, the present invention proposes a knuckle rehabilitation training device for hand surgery.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows: The knuckle rehabilitation training device for hand surgery includes a fixed ring, finger sleeves, and a resistance mechanism; a sliding ring is axially limited and slidably connected to the inner ring of the fixed ring, and a rotating ring is coaxially rotatably connected to the inner ring of the sliding ring; a support plate is fixedly arranged inside the rotating ring; a face gear is fixedly connected to the front end of the fixed ring, a rotating shaft is rotatably installed on the front side of the support plate, the axis of the rotating shaft is perpendicular to the axis of the fixed ring, and a first gear cooperating with the face gear is fixed to the end of the rotating shaft;

[0007] A fixed plate is fixedly arranged above the support plate, and the resistance mechanism is installed on the fixed plate; there are multiple finger sleeves and resistance mechanisms, and the finger sleeves and the resistance mechanisms correspond one by one. One end of the finger sleeve is connected to the resistance mechanism through a first rope, and the other end of the finger sleeve is connected to the rotating shaft through a second rope;

[0008] During use, place the palm on the support plate and insert the fingers into the finger sleeves; when the first gear disengages from the end face gear, the patient can use the autonomous exercise mode; slide the sliding ring to engage the first gear with the end face gear, and the patient can use the assisted exercise mode. Rotate the rotating ring, and then the rotating shaft rotates. The second rope is wound around the rotating shaft, and the second rope pulls the patient's fingers to bend. When the rotating ring rotates in the reverse direction, the resistance mechanism pulls the patient's fingers to straighten through the first rope.

[0009] Further, the resistance mechanism includes a first fixed cylinder, a tension spring, and a connecting plate; the first fixed cylinder is fixedly installed on the fixed plate, and the tension spring is arranged inside the first fixed cylinder; a second sliding plate is slidably arranged inside the first fixed cylinder. One end of the second sliding plate is connected to the tension spring, and the other end of the second sliding plate is fixedly connected to a sliding rod. One end of the sliding rod extends outside the first fixed cylinder and is connected to the connecting plate, and the connecting plate is connected to the first rope.

[0010] Further, a first sliding plate is axially limited and slidably arranged inside the first fixed cylinder. The first sliding plate is located at the end of the tension spring away from the second sliding plate and is fixedly connected to the tension spring; a transmission component is arranged between the first sliding plate and the rotating ring. When the rotating ring rotates, the first sliding plate slides along the axis of the first fixed cylinder.

[0011] Further, the transmission component includes a first gear, a second gear, and a toothed ring; a threaded rod is rotatably connected to each first fixed cylinder, and the threaded rod is threadedly connected to the corresponding first sliding plate; one end of the threaded rod extends outside the first fixed cylinder. One of the threaded rods at the end of one side of the fixed plate is fixedly connected to the second gear coaxially, and the other threaded rods are all fixedly connected to the first gear; the toothed ring is coaxially fixed to the rear end of the fixed ring, the toothed ring meshes with the second gear, the second gear meshes with the adjacent first gear, and the adjacent first gears mesh with each other.

[0012] Further, a clamping plate is movably arranged between the fixed plate and the support plate. The fixed plate is fixedly connected to an electric push rod, and the clamping plate is fixedly connected to the output end of the electric push rod. The clamping plate moves closer to the support plate to clamp and limit the palm.

[0013] Further, second fixed rods are fixedly arranged on both sides of the front end of the fixed ring. A first fixed rod is fixedly connected between the ends of the two second fixed rods away from the fixed ring. A rotating sleeve is rotatably sleeved on the first fixed rod, and one end of the first rope away from the finger sleeve is wound around the rotating sleeve and then connected to the connecting plate.

[0014] Further, a baffle is arranged outside the rotating sleeve. The baffle is fixedly connected to the first fixed rod. A plurality of limiting grooves are formed in the baffle, and the limiting grooves correspond to the first ropes one by one. The first ropes slide through the limiting grooves.

[0015] Furthermore, two second limit chutes are symmetrically formed on the inner wall of the first fixed cylinder, and two second limit sliders are symmetrically and fixedly connected to the first slide plate. The second limit sliders correspond to the second limit chutes one by one, and the second limit sliders are slidably arranged in the corresponding second limit chutes.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] When the first gear meshes with the end face gear, the patient can use the assisted exercise mode. Then the patient rotates the palm to make the rotating ring rotate, the rotating shaft rotates, the second rope winds around the rotating shaft, the second rope drives the fingers to bend, and the tension spring is stretched. Then the patient rotates the palm in the reverse direction to make the rotating ring rotate in the reverse direction, the rotating shaft pays out the line, and under the action of the tension spring, the first rope drives the fingers to extend.

[0018] When the first gear disengages from the end face gear, the patient can use the independent exercise mode. And at this time, the second gear meshes with the toothed ring. The patient rotates the palm to make the rotating ring rotate, and under the action of the transmission assembly, the first slide plate can slide in the first fixed cylinder, change the length of the tension spring, and further adjust the exercise intensity. Description of the Drawings

[0019] Figure 1 is the overall structural schematic diagram of the present invention in the first direction;

[0020] Figure 2 is the overall structural schematic diagram of the present invention in the second direction;

[0021] Figure 3 is the cross-sectional view of the fixed ring in the present invention;

[0022] Figure 4 is the cross-sectional view of the first fixed cylinder in the present invention;

[0023] Figure 5 is the structural schematic diagram of the rotating ring in the present invention;

[0024] Figure 6 is the structural schematic diagram of the baffle in the present invention.

[0025] In the figure: 1, fixed seat; 2, fixed ring; 3, sliding ring; 4, first limit slider; 5, first limit chute; 6, rotating ring; 7, support rod; 8, support plate; 9, connecting rod; 10, fixed plate; 11, electric push rod; 12, clamping plate; 13, first fixing cylinder; 14, first sliding plate; 15, second limit slider; 16, second limit chute; 17, threaded rod; 18, first gear; 19, second gear; 20, tension spring; 21, second sliding plate; 22, sliding rod; 23, connecting plate; 24, first rope; 25, rotating sleeve; 26, first fixing rod; 27, second fixing rod; 28, baffle; 29, limit groove; 30, finger sleeve; 31, second rope; 32, second fixing cylinder; 33, rotating shaft; 34, first gear; 35, toothed ring; 36, face gear. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] As Figures 1 - 6 shown, the technical solution adopted by the present invention is as follows: A finger joint rehabilitation training device for hand surgery, including a fixed seat 1, a fixed ring 2, a finger sleeve 30 and a resistance mechanism. The fixed ring 2 is fixedly installed on the fixed seat 1. The inner ring of the fixed ring 2 is axially slidably connected with a sliding ring 3, and the sliding ring 3 is coaxially arranged with the fixed ring 2. Specifically, a first limit chute 5 is provided on the inner ring of the fixed ring 2, and the sliding ring 3 is fixedly connected with a first limit slider 4, and the first limit slider 4 is slidably arranged in the first limit chute 5. There is a certain sliding resistance between the first limit slider 4 and the first limit chute 5, that is, a certain force is required to make the first limit slider 4 slide along the first limit chute 5 to prevent the first limit slider 4 from sliding accidentally. In this embodiment, there are two first limit chutes 5, and the two first limit chutes 5 are symmetrically distributed about the axis of the fixed ring 2. There are two first limit sliders 4, and the first limit sliders 4 correspond to the first limit chutes 5 one by one. Each first limit slider 4 is slidably arranged in the corresponding first limit chute 5.

[0028] The inner ring of the sliding ring 3 is coaxially and rotatably connected to a rotating ring 6. Specifically, a ring-shaped rotating groove is formed in the inner ring of the sliding ring 3, and the rotating ring 6 is slidably disposed in the rotating groove. Two support rods 7 are fixedly installed inside the rotating ring 6, and a support plate 8 is fixedly connected between the two support rods 7. The upper end of the support plate 8 is fixedly connected to a connecting rod 9, and the upper end of the connecting rod 9 is fixedly connected to a fixing plate 10. An electric push rod 11 is fixedly connected to the fixing plate 10, and the output end of the electric push rod 11 is fixedly connected to a clamping plate 12, and the clamping plate 12 is located between the support plate 8 and the fixing plate 10. When in use, the patient places the palm on the support plate 8 with the palm facing the support plate 8, and then starts the electric push rod 11 to move the clamping plate 12 towards the support plate 8, thereby clamping the palm and fixing the palm between the clamping plate 12 and the support plate 8.

[0029] A second fixed cylinder 32 is fixedly installed at the front end of the support plate 8, and the axis of the second fixed cylinder 32 is perpendicular to the axis of the fixed ring 2. A rotating shaft 33 is coaxially and rotatably installed inside the second fixed cylinder 32, and one end of the rotating shaft 33 extends outside the second fixed cylinder 32. A first gear 34 is coaxially and fixedly connected to the end of the rotating shaft 33 extending outside the second fixed cylinder 32. An end face gear 36 is coaxially and fixedly installed at the front end of the fixed ring 2, and the end face gear 36 cooperates with the first gear 34. When the first limit slider 4 slides to the front end of the first limit chute 5, the first gear 34 meshes with the end face gear 36, and at this time, the auxiliary exercise mode can be used.

[0030] The resistance mechanism is installed on the fixing plate 10. There are multiple finger sleeves 30 and multiple resistance mechanisms, and the finger sleeves 30 and the resistance mechanisms correspond to each other one by one. One end of the finger sleeve 30 is connected to the corresponding resistance mechanism through a first rope 24, and the other end of each finger sleeve 30 is fixedly connected to a second rope 31. The second rope 31 slidably passes through the second fixed cylinder 32 and is fixedly connected to the rotating shaft 33. In order to better wind the second rope 31 around the rotating shaft 33, a rope reel can be fixed on the rotating shaft 33, and the rope reel and the second rope 31 are arranged in one-to-one correspondence. The rope reel is not shown in the figure. A plurality of sliding holes are formed in the second fixed cylinder 32, and the sliding holes correspond to the second ropes 31 one by one, and the second ropes 31 slidably pass through the corresponding sliding holes.

[0031] Two second fixed rods 27 are fixedly connected to the front end of the fixed ring 2, and a first fixed rod 26 is fixedly connected between the ends of the two second fixed rods 27 away from the fixed ring 2. A rotating sleeve 25 is rotatably sleeved on the first fixed rod 26. The first rope 24 bypasses the outside of the rotating sleeve 25, thereby changing the direction of the first rope 24. A baffle 28 is arranged on the outside of the rotating sleeve 25, and both ends of the baffle 28 are fixedly connected to the first fixed rod 26. A plurality of limiting grooves 29 are formed in the rotating sleeve 25, and the plurality of limiting grooves 29 correspond to the plurality of first ropes 24 one by one, and the first ropes 24 slidably pass through the corresponding limiting grooves 29. The limiting grooves 29 have a limiting effect on the first ropes 24.

[0032] Each resistance mechanism includes a first fixed cylinder 13, a tension spring 20, and a connecting plate 23. The first fixed cylinder 13 is fixedly installed on the fixed plate 10. Axially limited and slidably connected in the first fixed cylinder 13 are a second sliding plate 21 and a first sliding plate 14, and the tension spring 20 is fixedly connected between the second sliding plate 21 and the first sliding plate 14. On the side of the second sliding plate 21 facing away from the tension spring 20, a sliding rod 22 is fixedly connected, and one end of the sliding rod 22 extends outside the first fixed cylinder 13 and is fixedly connected to the connecting plate 23. The first rope 24 is fixedly connected to the connecting plate 23.

[0033] Specifically, two second limiting sliding grooves 16 are symmetrically formed on the inner wall of the first fixed cylinder 13, and two second limiting sliding blocks 15 are symmetrically and fixedly connected to the first sliding plate 14. The second limiting sliding blocks 15 correspond to the second limiting sliding grooves 16 one by one, and the second limiting sliding blocks 15 are slidably arranged in the corresponding second limiting sliding grooves 16.

[0034] A transmission component is provided between the first sliding plate 14 and the fixed ring 2. When the rotating ring 6 rotates, under the action of the transmission component, the first sliding plate 14 slides along the inner wall of the first fixed cylinder 13.

[0035] The transmission component includes a first gear 18, a second gear 19, and a toothed ring 35. A threaded rod 17 is rotatably connected to each first fixed cylinder 13, and the threaded rod 17 is threadedly connected to the corresponding first sliding plate 14. One end of the threaded rod 17 extends outside the first fixed cylinder 13. One of the threaded rods 17 at one end of the fixed plate 10 is coaxially and fixedly connected to the second gear 19, and the other threaded rods 17 are all fixedly connected with the first gear 18. The second gear 19 meshes with the adjacent first gear 18, and the adjacent first gears 18 mesh with each other. The toothed ring 35 is coaxially fixed to the rear end of the fixed ring 2, and the toothed ring 35 cooperates with the second gear 19.

[0036] When the first limiting slider 4 is at the rear end of the first limiting sliding groove 5, the second gear 19 meshes with the toothed ring 35. At this time, the device is in the self-exercise mode, and the resistance magnitude when the fingers are bent can be adjusted by rotating the palm. The palm is placed on the support plate 8, the fingers are inserted into the finger sleeves 30, and the fingers are bent downward. The finger sleeves 30 move downward, the finger sleeves 30 pull the first rope 24, the first rope 24 pulls the connecting plate 23, so that the second sliding plate 21 moves outward against the elastic force of the tension spring 20. When the resistance when the fingers are bent needs to be increased, rotate the palm to make the rotating ring 6 rotate. Under the action of the toothed ring 35, the second gear 19 rotates, the first gear 18 rotates, and each threaded rod 17 rotates, so that the first sliding plate 14 moves outward, and the tension spring 20 is further stretched. In this way, when the second sliding plate 21 moves outward, it needs to overcome a greater resistance, and thus a greater resistance needs to be overcome when the fingers are bent.

[0037] Working principle: Initially, the first limit slider 4 is at the rear end of the first limit chute 5, and the second gear 19 meshes with the toothed ring 35. Under the action of the tension spring 20, the connecting plate 23 abuts against the end of the first fixed cylinder 13. The second limit slider 15 is at the end of the second limit chute 16 near the tension spring 20. At this time, when the finger bends, the resistance received is the smallest.

[0038] In this embodiment, there are four finger sleeves 30 and four resistance mechanisms. The four finger sleeves 30 correspond one by one to the four fingers of the patient except the thumb. When in use, place the palm downwards and place the palm on the support plate 8, and insert the fingers into the corresponding finger sleeves 30. Start the electric push rod 11 to move the clamping plate 12 towards the direction close to the palm, and the palm is clamped and fixed. Then turn off the electric push rod 11.

[0039] Then bend the finger. The finger drives the finger sleeve 30 to move downwards. The finger sleeve 30 pulls the first rope 24, the first rope 24 pulls the connecting plate 23, and the second sliding plate 21 moves outwards against the elastic force of the tension spring 20. The finger needs to overcome a certain resistance to bend, and thus has a better exercise effect. When the finger is straightened, the finger sleeve 30 moves upwards. Under the action of the tension spring 20, the connecting plate 23 abuts against the first fixed cylinder 13 again.

[0040] If it is necessary to adjust the resistance received when the finger bends, then rotate the palm. The palm drives the rotating ring 6 to rotate around the axis of the fixed ring 2. Under the action of the toothed ring 35, the second gear 19 rotates, and multiple first gears 18 rotate. Then multiple threaded rods 17 all rotate, and the first sliding plate 14 slides outwards, that is, moves in the direction away from the second sliding plate 21, and the tension spring 20 is further stretched. The pulling force of the tension spring 20 on the second sliding plate 21 increases. In this way, when the second sliding plate 21 moves outwards under the pulling action of the first rope 24, it needs to overcome a greater resistance, that is, the finger bends with a greater resistance. When it is necessary to reduce the resistance received when the finger bends, rotate the palm in the reverse direction. Under the action of the transmission component, the first sliding plate 14 moves towards the direction close to the second sliding plate 21, the length of the tension spring 20 stretched becomes smaller, the pulling force of the tension spring 20 on the second sliding plate 21 becomes smaller, and the resistance received when the finger bends becomes smaller.

[0041] If the patient's finger cannot bend independently, the auxiliary exercise mode needs to be used. After inserting the finger into the finger sleeve 30 and fixing the palm, move the rotating ring 6 forward. The first limit slider 4 moves to the front end of the first limit chute 5, the second gear 19 disengages from the toothed ring 35, and the first gear 34 meshes with the end face gear 36.

[0042] After that, rotate the palm, and rotate the rotating ring 6 around the axis of the fixed ring 2. Under the action of the face gear 36, the first gear 34 rotates, and then the rotating shaft 33 rotates, so that the second rope 31 is wound around the rotating shaft 33. The second rope 31 pulls the finger sleeve 30 close to the fixed ring 2, and then drives the finger to bend. The finger pulls the first rope 24, so that the connecting plate 23 moves away from the first fixed cylinder 13, the second sliding plate 21 moves outwards, and the tension spring 20 is further stretched.

[0043] Then, rotate the palm in the reverse direction to make the rotating ring 6 rotate in the reverse direction. Under the action of the face gear 36, the first gear 34 rotates in the reverse direction, the rotating shaft 33 performs a wire releasing action, and the second rope 31 releases the pulling force on the finger sleeve 30. At the same time, under the action of the tension spring 20, the connecting plate 23 moves towards the first fixed cylinder 13, and the first rope 24 pulls the finger sleeve 30 to move upwards, and then the finger gradually straightens. Therefore, by rotating the palm forward and backward, the finger can be assisted to perform bending and straightening actions, and help patients whose fingers cannot bend independently to complete the exercise.

[0044] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. Finger joint rehabilitation training device for hand surgery, characterized in that: It includes a fixed ring (2), finger sleeves (30) and a resistance mechanism; a sliding ring (3) is axially limited and slidably connected to the inner ring of the fixed ring (2), and a rotating ring (6) is coaxially rotatably connected to the inner ring of the sliding ring (3); a support plate (8) is fixedly arranged inside the rotating ring (6); a face gear (36) is fixedly connected to the front end of the fixed ring (2), a rotating shaft (33) is rotatably installed on the front side of the support plate (8), the axis of the rotating shaft (33) is perpendicular to the axis of the fixed ring (2), and a first gear (34) that cooperates with the face gear (36) is fixed to the end of the rotating shaft (33). A fixed plate (10) is fixedly arranged above the support plate (8), and the resistance mechanism is installed on the fixed plate (10); there are multiple finger sleeves (30) and resistance mechanisms, and the finger sleeves (30) and the resistance mechanisms correspond one by one. One end of the finger sleeve (30) is connected to the resistance mechanism through a first rope (24), and the other end of the finger sleeve (30) is connected to the rotating shaft (33) through a second rope (31). During use, place the palm on the support plate (8) and insert the fingers into the finger sleeves (30); when the first gear (34) disengages from the face gear (36), the patient can use the independent exercise mode; when the sliding ring (3) slides to make the first gear (34) engage with the face gear (36), the patient can use the assisted exercise mode, causing the rotating ring (6) to rotate, and then the rotating shaft (33) to rotate. The second rope (31) is wound around the rotating shaft (33), and the second rope (31) pulls the patient's fingers to bend. When the rotating ring (6) rotates in the reverse direction, the resistance mechanism pulls the patient's fingers to straighten through the first rope (24).

2. The knuckle rehabilitation training device for hand surgery according to claim 1, wherein: The resistance mechanism includes a first fixed cylinder (13), a tension spring (20) and a connecting plate (23); the first fixed cylinder (13) is fixedly installed on the fixed plate (10), and the tension spring (20) is arranged inside the first fixed cylinder (13); a second sliding plate (21) is slidably arranged inside the first fixed cylinder (13), one end of the second sliding plate (21) is connected to the tension spring (20), the other end of the second sliding plate (21) is fixedly connected to a sliding rod (22), and one end of the sliding rod (22) extends outside the first fixed cylinder (13) and is connected to the connecting plate (23), and the connecting plate (23) is connected to the first rope (24).

3. The finger joint rehabilitation training device for hand surgery according to claim 2, characterized in that: A first sliding plate (14) is axially limited and slidably arranged inside the first fixed cylinder (13), the first sliding plate (14) is at the end of the tension spring (20) away from the second sliding plate (21) and is fixedly connected to the tension spring (20); a transmission component is arranged between the first sliding plate (14) and the rotating ring (6), and when the rotating ring (6) rotates, the first sliding plate (14) slides along the axis of the first fixed cylinder (13).

4. The finger joint rehabilitation training device for hand surgery according to claim 3, characterized in that: The transmission assembly includes a first gear (18), a second gear (19) and a toothed ring (35); each first fixed cylinder (13) is rotatably connected with a threaded rod (17), and the threaded rod (17) is threadedly connected with the corresponding first slide plate (14); one end of the threaded rod (17) extends outside the first fixed cylinder (13), and the threaded rod (17) at one end of the fixing plate (10) is coaxially and fixedly connected with the second gear (19), and the other threaded rods (17) are all fixedly connected with a first gear (18); the toothed ring (35) is coaxially fixed at the rear end of the fixed ring (2), the toothed ring (35) meshes with the second gear (19), the second gear (19) meshes with the adjacent first gear (18), and the adjacent first gears (18) mesh with each other.

5. The finger joint rehabilitation training device for hand surgery according to claim 1, wherein: A clamping plate (12) is movably arranged between the fixing plate (10) and the supporting plate (8), the fixing plate (10) is fixedly connected with an electric push rod (11), the clamping plate (12) is fixedly connected with the output end of the electric push rod (11), and the clamping plate (12) moves close to the supporting plate (8) to clamp and limit the palm.

6. The finger joint rehabilitation training device for hand surgery according to claim 1, characterized in that: Both sides of the front end of the fixed ring (2) are fixedly provided with second fixed rods (27), a first fixed rod (26) is fixedly connected between the ends of the two second fixed rods (27) far away from the fixed ring (2), a rotating sleeve (25) is rotatably sleeved on the first fixed rod (26), and one end of the first rope (24) far away from the finger sleeve (30) is connected with the connecting plate (23) after passing around the rotating sleeve (25).

7. The knuckle rehabilitation training device for hand surgery according to claim 6, wherein: A baffle (28) is arranged on the outer side of the rotating sleeve (25), the baffle (28) is fixedly connected with the first fixed rod (26), a plurality of limiting grooves (29) are formed in the baffle (28), the limiting grooves (29) correspond to the first rope (24) one by one, and the first rope (24) slidably passes through the limiting grooves (29).

8. The finger joint rehabilitation training device for hand surgery according to claim 3, characterized in that: Two second limiting chutes (16) are symmetrically formed in the inner wall of the first fixed cylinder (13), two second limiting sliders (15) are symmetrically and fixedly connected to the first slide plate (14), the second limiting sliders (15) correspond to the second limiting chutes (16) one by one, and the second limiting sliders (15) are slidably arranged in the corresponding second limiting chutes (16).

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