Orthosis for bone joint reduction and fixation

Abstract

The application relates to the field of bone joint reduction, and particularly discloses an orthosis for bone joint reduction and fixation, which solves the problems of single function of existing bone joint fixation orthosis, especially the fixation orthosis for knee joints, and the problems of being not conducive to the rehabilitation of the joints of patients and the post-exercise recovery, and the orthosis comprises a base, a limiting box, an opening, a sliding frame, a clamping seat, a fixing clamping plate, an adjusting assembly, a rotating shaft, an upper guard plate, a side plate, a sliding frame, a pressing seat, a rotating plate I, a sliding seat, a cam, and a driving assembly, the outer side of the limiting box is slidably connected with a pulley, a linkage assembly is arranged in the limiting box, and the linkage assembly is used for driving the pulley to slide on the outer side of the limiting box. The device can stably position and fix the knee joints of patients and perform orthosis, does not cause relatively tight clamping to the legs of the patients, is conducive to blood circulation of the legs of the patients, can also assist in pressing and massaging, is conducive to stimulating the muscles of the patients to keep active, and reduces the subsequent rehabilitation and exercise period.

Description

Technical Field

[0001] This invention relates to the field of bone and joint reduction, and in particular to an orthotic device for bone and joint reduction and fixation. Background Technology

[0002] Joint reduction refers to the treatment process of restoring a joint or bone that has deviated from its normal anatomical position (such as dislocation or fracture displacement) to its original position through manual manipulation, surgery, or other medical means, in order to restore joint function, reduce pain, and avoid long-term damage.

[0003] Regardless of the method used to reduce a bone or joint, a period of immobilization is necessary to prevent re-dislocation or fracture displacement, create a stable environment for tissue repair, and distribute pressure on the injured area. This process also promotes functional recovery by limiting abnormal movement and guiding correct posture. Especially in knee dislocations, after reduction, the thigh and lower leg need to be immobilized for a period before gradual rehabilitation exercises. However, existing knee reduction and fixation orthotics generally only provide fixation and correction, failing to provide other functions. This limited functionality, coupled with the often tight binding, hinders blood flow to the joint and can lead to muscle atrophy in the leg, increasing the difficulty of subsequent rehabilitation exercises.

[0004] A bone and joint orthosis for orthopedics, with publication number CN212592630U, discloses "a bone and joint orthosis for orthopedics, including a support mechanism. The support mechanism has sliding grooves on both its front and rear sides. A sliding mechanism is slidably connected to the inner wall of the sliding grooves. A reset mechanism is fixedly connected to the surface of the sliding mechanism and the left side of the support mechanism. A restraint mechanism is hinged to the inner wall of the sliding mechanism via a pin. By setting up the sliding mechanism, reset mechanism, and restraint mechanism, after the restraint strap is fixed to the patient's limb using Velcro, the restraint force of the restraint strap on the patient's limb is equal to the tension of the reset spring on the slider through the cooperation of the slider, connecting rod, and fixing block. Therefore, when using the orthosis, the restraint force of the restraint strap on the patient's limb can be judged by the degree of tension of the reset spring, thus preventing excessive restraint force from the restraint strap on the patient's limb, which could lead to poor blood circulation."

[0005] While the aforementioned technical solutions can adjust the intensity to provide comfort for the patient's limbs, they cannot massage the knee area during joint reduction and fixation orthopedics. Since there are many nerves in the joint area, auxiliary massage can not only improve blood circulation but also stimulate nerve sensitivity, ensuring no sequelae occur after rehabilitation. Therefore, a joint reduction and fixation orthosis is proposed. Summary of the Invention

[0006] In order to overcome the shortcomings of the existing technology, this invention proposes an orthotic device for bone and joint reduction and fixation, which solves the problem that existing bone and joint fixation orthotic devices, especially knee joint fixation orthotic devices, have limited functions and are not conducive to the rehabilitation of patients' joints and subsequent exercise and recovery.

[0007] To solve the above-mentioned technical problems, the basic technical solution proposed by this invention is as follows:

[0008] An orthotic device for joint reduction and fixation includes a base with a limiting box connected to the base. The limiting boxes on the left and right sides are close to each other and each side has an opening. A sliding frame is slidably arranged inside the limiting box. A retaining seat is connected to both sides of the sliding frame. The retaining seat slides through the opening to the inner and outer sides of the limiting box and slides with the side edge of the opening. A fixing plate is provided at the outer end of the retaining box. An adjustment component is provided on the retaining seat. The adjustment component is used to adjust the position and angle of the fixing plate. A rotating shaft is rotatably mounted on the fixing plate, and an upper guard plate is connected to the rotating shaft. A side plate is also connected to the rotating shaft.

[0009] A slide frame is slidably disposed on the side of the fixed clamp near the limiting box, and the slide frame passes through the fixed clamp and is connected to a pressure seat. A rotating plate is rotatably connected between the slide frame and the side plate. A slide seat is slidably disposed inside the limiting box. Cams that fit against the surface of the slide frame are rotatably mounted on both the upper and lower sides of the slide seat. A drive assembly is also disposed inside the limiting box. The drive assembly is used to drive the slide seat to slide and drive the cams to rotate, thereby abutting against the slide frame. A pulley is slidably connected to the outside of the limiting box. A linkage assembly is disposed inside the limiting box. The linkage assembly is used to drive the pulley to slide outside the limiting box.

[0010] Preferably, the four corners of the upper end of the base are connected to limit boxes, and the limit boxes on the left and right sides are opened on one side close to each other. The fixed clamp is provided with a through slide opening, and the pressure seat slides in the slide opening.

[0011] Preferably, the inner wall of the limiting box is connected to a plurality of limiting slide rods, the sliding frame is slidably sleeved on the outside of each limiting slide rod, and a spring sleeved on the outside of the limiting slide rod is connected between the sliding frame and the inner wall of the limiting box.

[0012] Preferably, the upper guard plate and the side plate are respectively connected to the radial sides of the rotating shaft, the fixed clamp plate is provided with a slot, and a plurality of limiting slide rods are connected to the side of the fixed clamp plate near the limiting box. The slide is slidably sleeved on the outside of each slide, and the side plate and the rotating plate rotate within the slot.

[0013] Preferably, the adjusting assembly includes a threaded sleeve, a T-shaped screw, and a turntable. The threaded sleeve is connected to two side bearings that are close to each other. One end of the T-shaped screw is threaded inside the threaded sleeve, and the other end extends outside the threaded sleeve and is close to the fixed clamping plate. The turntable is rotatably mounted on the extended end of the T-shaped screw. A rotating rod is rotatably connected between the turntable and the fixed clamping plate.

[0014] Preferably, the drive assembly includes a variable frequency motor, a bidirectional lead screw, a gear, and a rack. The variable frequency motor is installed on both inner walls of the limiting box. The two ends of the bidirectional lead screw are respectively installed on the output ends of the two variable frequency motors on opposite sides. Two slide blocks inside the limiting box are threaded onto the outer sides of the two ends of the bidirectional lead screw. The gear is rotated and mounted on the upper and lower sides of the slide block. The cam is mounted on the side of each gear away from the slide block. The surface of the cam is in contact with and slides against the slide frame. The rack is connected to the inner wall of the limiting box and meshes with the gear.

[0015] Preferably, the upper and lower sides of the slide are connected to sleeve rods, the inner wall of the limiting box is connected to a guide slide rod, the sleeve rod is slidably sleeved on the outside of the guide slide rod, and the threads on the outer sides of the two ends of the bidirectional lead screw are in opposite directions.

[0016] Preferably, the inner wall of the limiting box is also connected to a second guide slide rod, which is parallel to the axis of the bidirectional lead screw and is arranged on both the upper and lower sides of the bidirectional lead screw. A limiting ring platform is fitted in the center of the outer side of the second guide slide rod. Slider blocks are provided on both sides of the limiting ring platform, and the sliders are slidably sleeved on the outer side of the second guide slide rod. A second spring sleeved on the outer side of the second guide slide rod is connected between each slider and the limiting ring platform. A connecting seat is connected to the rear side of the slide frame. A rotating rod is connected between each slider and the connecting seat. A vertical plate is connected to the slide frame, and the vertical plate cooperates with the slider to abut.

[0017] Preferably, the linkage component includes a square opening, a guide slide rod three, a mounting base, and a sleeve plate. The square opening is located at one end of the front and rear limiting boxes that are far apart from each other. The guide slide rod three is connected to one side of the front and rear limiting boxes that are far apart from each other and is located on one side of the square opening. The sleeve plate is slidably fitted on the outside of the guide slide rod three and the outside of the guide slide rod one. A rotating plate two is rotatably connected between the sleeve plate and the mounting base. The pulley is mounted on the mounting base.

[0018] Preferably, a spring three is sleeved on the outside of the guide slide three and connected between the mounting base and the guide slide three. The rotating plate two passes through the square opening and is rotatably set within the square opening.

[0019] The beneficial effects of this invention are:

[0020] 1. The technical solution of the present invention can adjust the length of the extension end of the T-shaped screw in the rotating adjustment component outside the threaded sleeve by rotating the extension end of the T-shaped screw, thereby adjusting the distance between the fixed clamp and the limiting box. When both the left and right fixed clamps are adjusted, the two fixed clamps can be moved closer to each other to facilitate clamping the thigh or calf placed between the two fixed clamps. Since the thigh and calf have different circumferences and the shape of the thigh and calf is not a uniform cylinder, the T-shaped screw on one side can be adjusted to rotate, so that the fixed clamp and the limiting box can be tilted by rotating the screw to better adjust according to the contour of the thigh and calf, thereby limiting the thigh and calf and avoiding poor blood circulation caused by direct clamping or binding, which is beneficial to the rehabilitation of the patient's knee joint.

[0021] 2. The technical solution of the present invention is that when the two fixed clamps on both sides are brought closer together, the pressure seat sliding in the slide opening on the fixed clamps will come into contact with the leg, thereby driving the slide to move away from the fixed clamps. Then, by pulling the side plate through the rotating plate, the rotating shaft can drive the upper guard plate to rotate from the upper open state to the leg between the two fixed clamps. This achieves the limitation of the leg by the two fixed clamps on both sides, while the upper guard plate on the upper side can also rotate towards the leg to limit the upper side of the leg. This ensures multi-directional limitation and correction of the leg, and achieves the limitation of the leg joint while avoiding poor blood circulation caused by direct clamping or binding.

[0022] 3. The technical solution of this invention involves rotating the upper guard plate, which in turn drives the slide to rotate the second rotating rod. This causes the sliders on both sides to move away from each other and compress the springs on their respective sides. Simultaneously, the drive assembly is activated, causing the two slide seats to move closer together. Through the meshing of gears and racks, the cam can be driven to abut against the slide frame. Under the action of the cam and the first spring, the slide frame can slide within a small range. When the drive assembly is running, the fixed clamps on both sides can move closer or further apart within a small range to press on the legs. During the process, when the two slide seats move closer to abut against the slider, they will also push the slider to rotate the second rotating rod, causing the pressure seat to move towards the legs. The upper guard plate will rotate slightly to open, enabling multi-directional pressing on the legs, which is beneficial for stimulating muscles and preventing premature muscle atrophy. At the same time, when the two slide seats move away from each other to their farthest point, they can also cooperate with the linkage assembly to drive the pulley to fall below the base, making it convenient to lay the device flat on the bed and push it in by the patient's feet. The pulley allows the device to slide easily on a soft bed, making it convenient to use. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of the present invention;

[0024] Figure 2 This is a cross-sectional view of the structure of the present invention;

[0025] Figure 3 This is a sectional view of the side structure of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the two limiting boxes on one side of the present invention;

[0027] Figure 5 This is a schematic diagram of the internal structure of the limiting box of the present invention;

[0028] Figure 6 This is a schematic diagram of the relevant structures on the sliding frame of the present invention;

[0029] Figure 7 This is a rear view schematic diagram of the relevant structures on the sliding frame of the present invention;

[0030] Figure 8 This is a top sectional view of the upper structure of the sliding frame of the present invention;

[0031] Figure 9 This is a schematic diagram of the relevant structures between the slide block, slide frame and upper guard plate of the present invention;

[0032] Figure 10 This is a schematic diagram of the linkage component of the present invention.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Base; 2. Limiting box; 3. Square opening; 4. Opening; 5. Limiting slide bar one; 6. Slide frame; 7. Spring one; 8. Card seat; 9. Threaded sleeve; 10. T-shaped screw; 11. Turntable; 12. Rotating rod one; 13. Fixing clamp; 14. Rotating shaft; 15. Upper guard plate; 16. Groove; 17. Side plate; 18. Limiting slide bar two; 19. Slide frame; 20. Rotating plate one; 21. Slide opening; 22. Pressure seat; 23. 24. Connecting seat; 25. Guide slide rod II; 26. Slider; 27. Rotating rod II; 28. Spring II; 29. ​​Limiting ring platform; 30. Variable frequency motor; 31. Two-way lead screw; 32. Slide seat; 33. Vertical plate; 34. Guide slide rod I; 35. Sleeve rod; 36. Gear; 37. Cam; 38. Rack; 39. Guide slide rod III; 40. Mounting seat; 41. Pulley; 42. Sleeve plate; 43. Rotating plate II; 44. Spring III. Detailed Implementation

[0035] The following will be combined with the appendix Figure 1 To be continued Figure 10 The technical solutions in the embodiments of the present invention have been clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0036] Example 1;

[0037] like Figures 1-10 As shown, the present invention discloses an orthotic device for joint reduction and fixation, including a base 1, a limiting box 2 connected to the base 1, and openings 4 on one side of the limiting boxes 2 on both the left and right sides, close to each other. A sliding frame 6 is slidably arranged inside the limiting box 2, and a retaining seat 8 is connected to both sides of the sliding frame 6. The retaining seat 8 slides through the opening 4 to the inner and outer sides of the limiting box 2 and slides with the side edge of the opening 4. A fixing plate 13 is provided on the outer end of the retaining box 2. An adjustment component is provided on the retaining seat 8. The adjustment component is used to adjust the position and angle of the fixing plate 13. A rotating shaft 14 is rotatably installed on the fixing plate 13, and an upper guard plate 15 is connected to the rotating shaft 14. A side plate 17 is also connected to the rotating shaft 14.

[0038] A slide 19 is slidably provided on the side of the fixed clamping plate 13 near the limiting box 2, and the slide 19 passes through the fixed clamping plate 13 and is connected to the pressure seat 22. A rotating plate 20 is rotatably connected between the slide 19 and the side plate 17. A slide seat 31 is slidably provided inside the limiting box 2. Cams 36 that fit against the surface of the slide frame 6 are rotatably installed on both the upper and lower sides of the slide seat 31. A driving assembly is also provided inside the limiting box 2. The driving assembly is used to drive the slide seat 31 to slide and drive the cams 36 to rotate and abut against the slide frame 6. A pulley 40 is slidably connected to the outside of the limiting box 2. A linkage assembly is provided inside the limiting box 2. The linkage assembly is used to drive the pulley 40 to slide on the outside of the limiting box 2.

[0039] The device can be equipped with a battery pack and power cord in the limiting box 2 to provide power to the drive components in the device in a variety of ways. The surfaces of the limiting box 2, the fixing clamp 13 and the upper guard plate 15 can be covered with soft padding to improve the comfort of use. The base 1 and the limiting box 2 can be made of PVC material.

[0040] The four corners of the upper part of the base 1 are connected to the limiting boxes 2. The limiting boxes 2 on the left and right sides are close to each other and have openings 4. The fixing plate 13 has a through slide 21. The pressure seat 22 slides in the slide 21. In this way, when the legs are placed between the limiting boxes 2 on both sides, the thighs can be placed on the left and right limiting boxes 2 on the front side and between the fixing plates 13, while the calves can be placed on the left and right limiting boxes 2 on the rear side and between the fixing plates 13. The knee joint can be exposed between the two limiting boxes 2 on the front side and the two limiting boxes 2 on the rear side.

[0041] The inner wall of the limiting box 2 is connected to multiple limiting slide rods 5. The sliding frame 6 is slidably sleeved on the outside of each limiting slide rod 5. A spring 7 sleeved on the outside of the limiting slide rod 5 is connected between the sliding frame 6 and the inner wall of the limiting box 2. This makes the sliding frame 6 slide more stably in the limiting box 2. Under the action of the spring 7, the card seat 8 on the sliding frame 6 can be driven to move closer to the limiting box 2 through the fixed clamp 13 connected by the adjustment component, so as to make enough space to facilitate the placement of the legs between the two fixed clamps 13 for limiting and orthopedic use.

[0042] The upper guard plate 15 and the side plate 17 are respectively connected to the radial sides of the rotating shaft 14. The fixed clamp plate 13 has a slot 16. The side of the fixed clamp plate 13 near the limiting box 2 is connected to multiple limiting slide rods 18. The slide 19 is slidably sleeved on the outside of each slide 19. The side plate 17 and the rotating plate 20 both rotate in the slot 16, so that when the slide 19 is close to the fixed clamp plate 13, the rotating plate 20 can drive the side plate 17 to rotate, thereby driving the rotating shaft 14 and the upper guard plate 15 to rotate, so that the upper guard plate 15 can be flipped above the fixed clamp plate 13, so that the leg can be placed between the two fixed clamp plates 13. At the same time, since the slide 19 is close to the fixed clamp plate 13, the pressure seat 22 will pass through the slide opening 21 and extend on the side of the fixed clamp plate 13 away from the limiting box 2, so that it can directly contact the patient's leg.

[0043] Example 2;

[0044] like Figures 1-10 As shown, the present invention discloses an orthosis for joint reduction and fixation. Compared with Embodiment 1, this embodiment discloses the structure of the adjustment component.

[0045] The adjusting assembly includes a threaded sleeve 9, a T-shaped screw 10, and a turntable 11. The threaded sleeve 9 is connected to the two side clamps 8 close to each other. One end of the T-shaped screw 10 is threaded inside the threaded sleeve 9, and the other end extends outside the threaded sleeve 9 and is close to the fixed clamping plate 13. The turntable 11 is rotatably fitted onto the extended end of the T-shaped screw 10. A rotating rod 12 is rotatably connected between the turntable 11 and the fixed clamping plate 13.

[0046] By rotating the extension end of the T-shaped screw 10, the length of its extension end outside the threaded sleeve 9 can be adjusted, thereby adjusting the distance between the fixed clamp 13 and the limiting box 2. When both the left and right fixed clamps 13 are adjusted, they can be moved closer together to facilitate clamping the thigh or calf placed between the two fixed clamps 13. Since the thigh and calf have different circumferences and the shape of the thigh and calf is not a uniform cylinder, the T-shaped screw 10 on one side can be adjusted to rotate, so that the fixed clamp 13 and the limiting box 2 can be tilted through the rotating rod 12. This allows for better adjustment according to the contour of the thigh and calf, achieving limitation of the thigh and calf, avoiding poor blood circulation caused by direct clamping or binding, and is beneficial to the rehabilitation of the patient's knee joint.

[0047] During the process, the two fixed clamps 13 move closer to each other, and the sliding pressure seat 22 in the upper slide 21 of the fixed clamp 13 will come into contact with the leg, causing the slide 19 to move away from the fixed clamp 13. Then, the rotating plate 20 pulls the side plate 17 to rotate, so that the rotating shaft 14 can drive the upper guard plate 15 from the upper open state to the leg between the two fixed clamps 13. This achieves the goal of limiting the legs on both sides through the fixed clamps 13, while the upper guard plate 15 can also rotate towards the leg to limit the upper side of the leg. This ensures multi-directional limiting and orthopedic treatment of the leg, maintaining the limitation of the leg joint while avoiding poor blood circulation caused by direct clamping or binding.

[0048] Example 3;

[0049] like Figures 1-10 As shown, the present invention discloses an orthosis for joint reduction and fixation. Compared with Embodiment 2, this embodiment discloses the structure of the driving component.

[0050] The drive assembly includes a variable frequency motor 29, a bidirectional lead screw 30, a gear 35, and a rack 37. The variable frequency motor 29 is installed on both inner walls of the limit box 2. The two ends of the bidirectional lead screw 30 are respectively installed on the output ends of the variable frequency motor 29 on both sides, close to each other. The two slide blocks 31 inside the limit box 2 are threaded onto the outer sides of the two ends of the bidirectional lead screw 30. The gear 35 is rotated and fitted on the upper and lower sides of the slide block 31. The cam 36 is fitted on the side of each gear 35 away from the slide block 31. The surface of the cam 36 is in contact with the slide frame 6 and slides. The rack 37 is connected to the inner wall of the limit box 2 and meshes with the gear 35.

[0051] Both the upper and lower sides of the slide block 31 are connected to sleeve rods 34, and the inner wall of the limit box 2 is connected to a guide slide rod 33. The sleeve rod 34 is slidably sleeved on the outside of the guide slide rod 33, and the threads on the outer sides of the two ends of the double-acting screw 30 are in opposite directions.

[0052] This allows the slide block 31 to slide stably within the limiting box 2 through the sliding sleeve 34 and the guide slide rod 33. The bidirectional screw 30 can drive the slide blocks 31 with threads on both ends of its outer side to move closer or further apart during forward and reverse rotation.

[0053] The inner wall of the limiting box 2 is also connected to a guide slide rod 24, which is parallel to the axis of the double-acting screw 30 and is arranged on both the upper and lower sides of the double-acting screw 30. A limiting ring platform 28 is fitted in the center of the outer side of the guide slide rod 24. A slider 25 is provided on both sides of the limiting ring platform 28, and the slider 25 is slidably fitted on the outside of the guide slide rod 24. A spring 27 fitted on the outside of the guide slide rod 24 is connected between each slider 25 and the limiting ring platform 28. A connecting seat 23 is connected to the rear side of the slide 19. A rotating rod 26 is connected between each slider 25 and the connecting seat 23. A vertical plate 32 is connected to the slide 31, and the vertical plate 32 and the slider 25 cooperate to abut against each other. The sliding fit between the slider 25 and the guide slide rod 24 can ensure the stable sliding of the slide 19.

[0054] By activating the variable frequency motors 29 on both sides of each limit box 2 to run synchronously, the bidirectional lead screw 30 can be rotated. This allows for easy control of the forward and reverse rotation of the bidirectional lead screw 30, which in turn adjusts the sliding blocks 31 at both ends of the bidirectional lead screw 30 to move closer or further apart. When the two sliding blocks 31 move closer to each other within the length range of the rack 37, the gear 35 rotatably connected to the sliding block 31 meshes with the rack 37, thereby rotating the cam 36. This allows the slide frame 6 to slide within a small range under the action of the cam 36 and the spring 7. When the drive assembly is running, the fixed clamps 13 on both sides can move closer or further apart within a small range, thus pressing the leg. During this process, when the two sliding blocks 31 move closer to each other and abut against the slider 25, they will also push the slider 25 to rotate the rotating rod 26, thereby moving the pressure seat 22 toward the leg. The upper guard plate 15 rotates and opens slightly, allowing for multi-directional pressing of the leg, which helps stimulate the muscles, prevents excessive muscle atrophy, and facilitates rapid rehabilitation after knee joint reduction and stabilization.

[0055] Example 4;

[0056] like Figures 1-10 As shown, the present invention discloses an orthotic device for joint reduction and fixation. Compared with Embodiment 3, this embodiment discloses the structure of the linkage component.

[0057] The linkage assembly includes a square opening 3, a guide slide rod 38, a mounting base 39, and a sleeve plate 41. The square opening 3 is located at the ends of the front and rear limit boxes 2 that are far apart from each other. The guide slide rod 38 is connected to the side of the front and rear limit boxes 2 that are far apart from each other and is located on one side of the square opening 3. The sleeve plate 41 is slidably fitted on the outside of the guide slide rod 38 and the outside of the guide slide rod 33. A rotating plate 42 is rotatably connected between the sleeve plate 41 and the mounting base 39. A pulley 40 is mounted on the mounting base 39.

[0058] A spring 43 is sleeved on the outside of the guide slide rod 38 and the mounting base 39 is connected to the guide slide rod 38. The rotating plate 42 passes through the square opening 3 and is rotatably set inside the square opening 3.

[0059] This design allows the two sliding seats 31 to still contact the sleeve plate 41 when they are at their furthest points, pushing the sleeve plate 41 towards the square opening 3. This, in turn, causes the rotating plate 42 to rotate, pushing the mounting base 39 and pulley 40 down below the base 1. This facilitates laying the device flat on the bed and allowing it to be pushed in by the patient's feet for use. The pulley 40 allows the device to slide easily on a soft bed, making it convenient to use. This design provides stable fixation and correction for the patient's knee joint without creating a tight clamp on the leg, promoting blood circulation. It also provides auxiliary pressure massage to stimulate muscle activity, prevent rapid muscle atrophy, and shorten the subsequent rehabilitation period.

[0060] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. An orthosis for joint reduction and fixation of bone, comprising a base (1), a limiting box (2) is connected to the base (1), and an opening (4) is formed in each of the side surfaces of the limiting boxes (2) on the left and right sides which are close to each other, and a sliding frame (6) is slidably arranged in the limiting box (2), characterized in that, Both sides of the slide frame (6) are connected with the clamping seat (8), the clamping seat (8) is slid through the opening (4) to the inside and outside of the limiting box (2), and is slid with the side of the opening (4), the clamping seat (8) is provided with a fixed clamping plate (13) on the outside end of the limiting box (2), the clamping seat (8) is provided with an adjusting assembly, the adjusting assembly is used for adjusting the position and angle of the fixed clamping plate (13), the fixed clamping plate (13) is rotatably connected with the rotating shaft (14), and the rotating shaft (14) is connected with the upper guard plate (15), the rotating shaft (14) is also connected with the side plate (17); The fixed clamping plate (13) is slidably provided with a sliding frame (19) on the side close to the limiting box (2), and the sliding frame (19) is connected with the pressing seat (22) through the fixed clamping plate (13), the sliding frame (19) and the side plate (17) are rotatably connected with the rotating plate (20), the sliding seat (31) is slidably arranged in the limiting box (2), the upper and lower sides of the sliding seat (31) are rotatably connected with the cam (36) abutting the surface of the slide frame (6), the limiting box (2) is also provided with a driving assembly, the driving assembly is used for driving the sliding seat (31) to slide, and the cam (36) is rotated, and the slide frame (6) is resisted, the outside of the limiting box (2) is slidably connected with the pulley (40), the limiting box (2) is provided with a linkage assembly, and the linkage assembly is used for driving the pulley (40) to slide on the outside of the limiting box (2); The adjusting assembly comprises a threaded sleeve (9), a T-shaped screw rod (10) and a rotating disc (11), the threaded sleeve (9) is connected on the side close to each other of the two clamping seats (8), one end of the T-shaped screw rod (10) is threadedly sleeved in the threaded sleeve (9), the other end extends outside the threaded sleeve (9) and is close to the fixed clamping plate (13), and the rotating disc (11) is rotatably sleeved on the extended end of the T-shaped screw rod (10); The rotating disc (11) and the fixed clamping plate (13) are rotatably connected with the rotating rod (12); The driving assembly comprises a variable frequency motor (29), a bidirectional screw rod (30), a gear (35) and a rack (37), the variable frequency motor (29) is mounted on the inner wall of the limiting box (2), the two ends of the bidirectional screw rod (30) are respectively mounted on the output end of the variable frequency motor (29) on the side close to each other, the two sliding seats (31) in the limiting box (2) are respectively threadedly sleeved on the outer sides of the two ends of the bidirectional screw rod (30), the gear (35) is rotatably sleeved on the upper and lower sides of the sliding seat (31), the cam (36) is sleeved on the side away from the sliding seat (31) of each gear (35), the surface of the cam (36) is abutting and resisting the slide of the slide frame (6), the rack (37) is connected on the inner wall of the limiting box (2), the rack (37) is meshingly connected with the gear (35), and the inner wall of the limiting box (2) is connected with the guide sliding rod (33); The linkage assembly includes a square mouth (3), a guide sliding rod three (38), a mounting seat (39), a sleeve plate (41), the square mouth (3) is opened in the one end of the front and rear side limit box (2) away from each other, the guide sliding rod three (38) is connected in the side of the front and rear side limit box (2) away from each other and is in the side of the square mouth (3), the mounting seat (39) is slidably sleeved on the outside of the guide sliding rod three (38), the sleeve plate (41) is slidably sleeved on the outside of the guide sliding rod one (33), the sleeve plate (41) and the mounting seat (39) are rotatably connected with the second rotating plate (42), and the pulley (40) is installed on the mounting seat (39).

2. The orthosis according to claim 1, characterized in that The four corners of the upper end of the base (1) are connected with limit boxes (2), the limit boxes (2) on the left and right sides are provided with openings (4) on the side close to each other, the fixed clamping plate (13) is provided with a through sliding channel (21), and the pressing seat (22) slides in the sliding channel (21).

3. The orthosis according to claim 1, wherein The inner wall of the limit box (2) is connected with a plurality of limit sliding rods one (5), the sliding frame (6) is slidably sleeved on the outside of each limit sliding rod one (5), and the sliding frame (6) and the inner wall of the limit box (2) are connected with a spring one (7) sleeved on the outside of the limit sliding rod one (5).

4. The orthosis according to claim 1, wherein The upper guard plate (15) and the side plate (17) are respectively connected on the radial sides of the rotating shaft (14), the fixed clamping plate (13) is provided with a notch (16), the side close to the limit box (2) of the fixed clamping plate (13) is connected with a plurality of limit sliding rods two (18), the sliding frame (19) is slidably sleeved on the outside of each sliding frame (19), and the side plate (17) and the first rotating plate (20) are rotatably arranged in the notch (16).

5. The orthosis according to claim 1, wherein The upper and lower sides of the sliding seat (31) are connected with sleeve rods (34), the sleeve rods (34) are slidably sleeved on the outside of the guide sliding rod one (33), and the threads on the outer sides of the two ends of the bidirectional screw rod (30) are opposite in rotation direction.

6. The orthosis according to claim 1, wherein The inner wall of the limit box (2) is further connected with a guide sliding rod two (24), the guide sliding rod two (24) is parallel to the axial direction of the bidirectional screw rod (30) and is arranged on the upper and lower sides of the bidirectional screw rod (30), the outer side of the guide sliding rod two (24) is centrally sleeved with a limit ring table (28), the two sides of the limit ring table (28) are provided with sliding blocks (25), the sliding blocks (25) are slidably sleeved on the outside of the guide sliding rod two (24), the spring two (27) is sleeved on the outside of the guide sliding rod two (24) and connected between each sliding block (25) and the limit ring table (28), the rear side of the sliding frame (19) is connected with a connecting seat (23), the rotating rod two (26) is connected between each sliding block (25) and the connecting seat (23), the sliding seat (31) is connected with a vertical plate (32), and the vertical plate (32) is in abutment with the sliding block (25).

7. The orthosis according to claim 1, wherein The mounting seat (39) and the guide sliding rod three (38) are connected with a spring three (43) sleeved on the outside of the guide sliding rod three (38), and the second rotating plate (42) penetrates through the square mouth (3) and is rotatably arranged in the square mouth (3).

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