Orthosis for bone joint reduction and fixation

Abstract

The invention relates to the field of bone joint reduction, particularly discloses an orthosis for bone joint reduction and fixation, and solves the problems that an existing bone joint fixation orthosis, particularly a knee joint fixation orthosis, is single in function and is not beneficial to joint rehabilitation and later exercise recovery of a patient. The device comprises a base, a limiting box, an opening, a sliding frame, a clamping base, a fixing clamping plate, an adjusting assembly, a rotating shaft, an upper protection plate, a side plate, a sliding frame, a pressing base, a first rotating plate, a sliding base, a cam and a driving assembly, the outer side of the limiting box is slidably connected with a pulley, and a linkage assembly is arranged in the limiting box and used for driving the pulley to slide on the outer side of the limiting box. According to the device, the knee joint of a patient can be stably limited, fixed and corrected, the legs of the patient cannot be tightly clamped, blood circulation of the legs of the patient is facilitated, meanwhile, auxiliary pressing massage can be further carried out, muscles of the patient can be stimulated to keep vitality, and the follow-up rehabilitation exercise period is shortened.

Description

Technical Field

[0001] The present invention relates to the field of bone and joint reduction, in particular to an orthosis for bone and joint reduction and fixation. Background Art

[0002] Bone and joint reduction refers to the treatment process of restoring joints or bones that have deviated from their normal anatomical position (such as dislocation, fracture displacement) to their original position through manipulation, surgery or other medical means, in order to restore joint function, relieve pain and avoid long-term damage.

[0003] Regardless of the method used to reduce the joint, a certain period of fixation is required to prevent the joint from dislocating again or the fracture end from shifting, to create a stable environment for tissue repair, and to share the pressure on the injured part. Functional recovery can be promoted by restricting abnormal activities and guiding correct posture. Especially in the case of knee dislocation injuries, after reducing the knee joint, the thigh and calf need to be fixed and braked for a certain period of time, and then slowly undergo rehabilitation exercises. However, existing knee reduction and fixation orthosis devices can generally only achieve fixation and correction, and cannot achieve other functions in the process. Not only are the functions single, but such comprehensive fixation is usually achieved by binding, which is not conducive to blood flow in the patient's joints and can also lead to atrophy of the patient's leg muscles, increasing the difficulty of subsequent rehabilitation exercises.

[0004] An orthopedic bone joint orthosis with publication number CN212592630U discloses "an orthopedic bone joint orthosis, comprising a support mechanism, wherein a slide groove is provided on the front and rear sides of the support mechanism, the inner wall of the slide groove is slidably connected with a sliding mechanism, the surface of the sliding mechanism and the left side of the support mechanism are fixedly connected with a reset mechanism, and the inner wall of the sliding mechanism is hinged with a restraining mechanism through a pin. By setting the sliding mechanism, the reset mechanism and the restraining mechanism, after the restraint belt is fixed to the patient's limb with Velcro, through the cooperation of the slider, the connecting rod and the fixed block, the restraining force of the restraint belt on the patient's limb is equal to the pulling force of the reset spring on the slider, and then when the corrector is used, the restraining force of the restraint belt on the patient's limb can be judged by the stretching degree of the reset spring, thereby preventing the restraining force of the restraint belt on the patient's limb from being too large, resulting in poor blood circulation in the patient's limb."

[0005] While the above-mentioned technical solution can adjust the appropriate force to provide comfort to the patient's limb, it cannot massage the patient's knee during osteoarthritis reduction and fixation. Since there are many nerves in the joint, auxiliary massage can not only improve blood circulation but also stimulate nerve sensitivity, ensuring that there are no sequelae after recovery. Therefore, a osteoarthritis reduction and fixation orthosis is proposed. Summary of the Invention

[0006] In order to overcome the shortcomings of the existing technology, the present invention proposes an orthosis for bone and joint reduction and fixation, which solves the problem that existing bone and joint fixation orthosis, especially the fixation orthosis for the knee joint, has a single function, is not conducive to the patient's joint rehabilitation and subsequent exercise recovery.

[0007] In order to solve the above technical problems, the basic technical solutions proposed by the present invention are: An orthosis for bone joint reduction and fixation, comprising a base, a limit box connected to the base, the limit boxes on the left and right sides are each provided with an opening close to one side surface of each other, a sliding frame is slidably arranged in the limit box, both sides of the sliding frame are connected to a clamping seat, the clamping seat slides through the opening to the inner and outer sides of the limit box, and is slidably sleeved with the side edge of the opening, the clamping seat is provided with a fixed splint at the outer end of the limit box, an adjusting component is provided on the clamping seat, the adjusting component is used to adjust the position and angle of the fixed splint, a rotating shaft is rotatably mounted on the fixed splint, and an upper guard plate is connected to the rotating shaft, and the rotating shaft is also connected to a side plate; The outer side of the limit box is slidably connected to a pulley, and a linkage assembly is provided in the limit box, and the linkage assembly is used to drive the pulley to slide on the outside of the limit box.

[0008] Preferably, the four corners of the upper end of the base are connected to limit boxes, the limit boxes on the left and right sides are provided with openings on one side close to each other, and the fixed splint is provided with a through slide opening, and the pressure seat slides in the slide opening.

[0009] Preferably, the inner wall of the limit box is connected to a plurality of limit slide rods 1, the slide frame is slidably sleeved on the outside of each limit slide rod 1, and a spring 1 sleeved on the outside of the limit slide rod 1 is connected between the slide frame and the inner wall of the limit box.

[0010] Preferably, the upper guard plate and the side plate are respectively connected to the radial sides of the rotating shaft, a slot is provided on the fixed splint, a plurality of limit slide rods 2 are connected to the side of the fixed splint close to the limit box, the slide sliding sleeve is arranged on the outer side of each slide, and the side plate and the rotating plate 1 both rotate in the slot.

[0011] Preferably, the adjustment assembly includes a threaded sleeve, a T-shaped screw, and a turntable. The threaded sleeve is connected to the two side holders close to each other. One end of the T-shaped screw is threadedly sleeved in the threaded sleeve, and the other end extends outside the threaded sleeve and is close to the fixed splint. The turntable is rotatably sleeved on the extended end of the T-shaped screw, and a turntable is rotatably connected to the fixed splint with a turntable.

[0012] Preferably, the driving assembly includes a variable frequency motor, a bidirectional screw, a gear, and a rack. The variable frequency motor is installed on the inner walls of both sides of the limit box, and the two ends of the bidirectional screw are respectively installed on the output ends of the variable frequency motors on both sides close to each other. The two slides in the limit box are respectively threaded on the outer side surfaces of both ends of the bidirectional screw, and the gear rotation is sleeved on the upper and lower sides of the slide, and the cam is sleeved on the side of each gear away from the slide, and the surface of the cam fits and slides with the slide frame, and the rack is connected to the inner wall of the limit box, and the rack is meshed with the gear.

[0013] Preferably, the upper and lower sides of the slide are connected with sleeve rods, the inner wall of the limit box is connected with a guide slide rod 1, the sleeve rod is slidably sleeved on the outside of the guide slide rod 1, and the threads on the outer side surfaces at both ends of the bidirectional screw have opposite rotation directions.

[0014] Preferably, the inner wall of the limit box is also connected to a guide slide bar 2, and the guide slide bar 2 is parallel to the axial direction of the two-way screw rod, and is arranged on the upper and lower sides of the two-way screw rod. The outer side surface of the guide slide bar 2 is centrally mounted with a limit ring platform, and sliders are provided on both sides of the limit ring platform, and the sliders are slidably mounted on the outer side of the guide slide bar 2, and each of the sliders and the limit ring platform is connected with a spring 2 mounted on the outer side of the guide slide bar 2, and the rear side of the slide is connected to a connecting seat, and each of the sliders and the connecting seat is connected to a rotating rod 2, and the slide is connected to a vertical plate, and the vertical plate cooperates and contacts with the slider.

[0015] Preferably, the linkage assembly includes a square opening, a third guide slide bar, a mounting seat, and a sleeve plate. The square opening is opened at one end of the front and rear limit boxes away from each other. The third guide slide bar is connected to a side of the front and rear limit boxes away from each other and is located on one side of the square opening. The sleeve plate is slidably sleeved on the outside of the third guide slide bar. The sleeve plate is slidably sleeved on the outside of the first guide slide bar. A rotating plate second is rotatably connected between the sleeve plate and the mounting seat, and the pulley is installed on the mounting seat.

[0016] Preferably, a spring three is connected between the mounting seat and the guide slide bar three and is sleeved on the outside of the guide slide bar three. The rotating plate two passes through the square opening and is rotatably arranged in the square opening.

[0017] The beneficial effects of the present invention are: 1. The technical solution of the present invention is to rotate the extended end of the T-shaped screw in the adjustment assembly to adjust the length of the extended end outside the threaded sleeve, thereby adjusting the distance between the fixing splint and the limit box. When the fixing splints on both sides are adjusted, the fixing splints on both sides can be driven to move closer to each other, so as to facilitate clamping the thigh or calf placed between the fixing splints on both sides. Since the leg circumferences of the thigh and calf are different, and the shapes of the thigh and calf are not uniformly cylindrical, the T-shaped screw on one side can be adjusted to rotate separately, so as to form an inclined angle between the fixing splint and the limit box through the rotating rod, so as to better adjust according to the contours of the thigh and calf, realize the limitation of the thigh and calf, avoid poor blood circulation caused by direct clamping or binding, and facilitate the rehabilitation of the patient's knee joint. 2. The technical solution of the present invention is that when the fixed splints on both sides are close to each other, the pressure seat sliding in the slideway opening of the fixed splint will come into contact with the leg, thereby driving the slide to move away from the fixed splint, and then the side plate is pulled to rotate by the rotating plate, so that the rotating shaft can drive the upper guard plate to rotate from the upper open state to the leg between the fixed splints on both sides, so as to limit the leg by the fixed splints on both sides, and the upper guard plate on the upper side can also rotate toward the leg to limit the upper side of the leg, ensuring multi-directional limit correction of the leg, and maintaining the limit of the leg joint while avoiding poor blood circulation caused by direct clamping or binding; 3. The technical solution of the present invention is that the slide will also push the rotating rod 2 to rotate through the rotation of the upper guard plate, and drive the sliders on both sides to move away from each other and compress the spring 2 on each side, and at the same time start the driving assembly, drive the sliders on both sides to move closer to each other, and the engagement of the gear and the rack can drive the cam to contact the slide frame, so that the slide frame can slide in a small range under the action of the cam and the spring 1, so that when the driving assembly is running, the fixed splints on both sides can move closer to or away from each other in a small range to achieve pressing on the legs. During the process, when the sliders on both sides are close to contact with the slider, it will also push the slider to drive the rotating rod 2 to rotate, so as to drive the pressure seat to move toward the leg, and the upper guard plate rotates and opens slightly to achieve multi-directional pressing on the legs, which is beneficial to stimulate the muscles and prevent the muscles from atrophying too quickly. At the same time, when the sliders on both sides move away from each other to the farthest end, they can also cooperate with the linkage assembly to drive the pulley to fall below the base, so that the device can be laid flat on the bed and pushed in by the patient's feet for use. The pulley can facilitate the sliding of the device on the soft bed, making it convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 is a cross-sectional view of the structure of the present invention; Figure 3 is a cross-sectional view of the side structure of the present invention; Figure 4 This is a schematic structural diagram of two front and rear limit boxes on one side of the present invention; Figure 5 Schematic diagram of the internal structure of the limit box of the present invention; Figure 6 A schematic diagram of the related structures on the sliding frame of the present invention; Figure 7 It is a rear view schematic diagram of the relevant structure on the sliding frame of the present invention; Figure 8 A top cross-sectional view of the upper structure of the sliding frame of the present invention; Figure 9 Schematic diagram of the related structure between the slide seat, slide frame and upper guard plate of the present invention; Figure 10 It is a structural diagram of the linkage component of the present invention.

[0019] Description of reference numerals: 1. Base; 2. Limit box; 3. Square opening; 4. Opening; 5. Limit slide bar (1); 6. Slide frame; 7. Spring (1); 8. Clamping seat; 9. Threaded sleeve; 10. T-screw; 11. Turntable; 12. Turnbar (1); 13. Fixing plate; 14. Rotating shaft; 15. Upper guard plate; 16. Notch; 17. Side plate; 18. Limit slide bar (2); 19. Slide frame; 20. Turntable (1); 21. Slideway opening; 22. Pressing seat; 23 , connecting seat; 24, guide slide bar 2; 25, slider; 26, rotating rod 2; 27, spring 2; 28, limit ring; 29, frequency conversion motor; 30, bidirectional screw; 31, slide; 32, vertical plate; 33, guide slide bar 1; 34, sleeve rod; 35, gear; 36, cam; 37, rack; 38, guide slide bar 3; 39, mounting seat; 40, pulley; 41, sleeve plate; 42, rotating plate 2; 43, spring 3. DETAILED DESCRIPTION

[0020] The following will be combined with the Figure 1 To the attached Figure 10 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort shall fall within the scope of protection of the present invention.

[0021] Embodiment 1;

[0022] like Figures 1-10As shown, the present invention discloses an orthosis for bone joint reduction and fixation, including a base 1, a limit box 2 is connected to the base 1, the limit boxes 2 on the left and right sides are close to each other and have openings 4 on one side, a sliding frame 6 is slidably provided in the limit box 2, and a clamping seat 8 is connected on both sides of the sliding frame 6, the clamping seat 8 slides through the opening 4 to the inner and outer sides of the limit box 2, and is slidably sleeved with the side edge of the opening 4, the clamping seat 8 is provided with a fixed splint 13 at the outer end of the limit box 2, and an adjustment component is provided on the clamping seat 8, and the adjustment component is used to adjust the position and angle of the fixed splint 13, a rotating shaft 14 is rotatably installed on the fixed splint 13, and an upper guard plate 15 is connected to the rotating shaft 14, and a side plate 17 is also connected to the rotating shaft 14; A slide 19 is slidingly provided on one side of the fixed splint 13 close to the limit box 2, and the slide 19 passes through the fixed splint 13 and is connected to a pressure seat 22. A rotating plate 20 is rotatably connected between the slide 19 and the side plate 17. A slide 31 is slidingly provided in the limit box 2, and cams 36 that fit the surface of the slide frame 6 are rotatably installed on the upper and lower sides of the slide 31. A driving component is also provided in the limit box 2, and the driving component is used to drive the slide 31 to slide and drive the cam 36 to rotate to resist the slide frame 6. A pulley 40 is slidably connected to the outer side of the limit box 2, and a linkage component is provided in the limit box 2. The linkage component is used to drive the pulley 40 to slide on the outside of the limit box 2.

[0023] Among them, a battery pack can be installed in the limit box 2 in this device and equipped with a power cord to facilitate providing power to the driving components in the device in various ways. At the same time, the surfaces of the limit box 2, the fixed splint 13 and the upper guard plate 15 can be covered with soft bags to improve the comfort of use, and the base 1 and the limit box 2 can be made of PVC material.

[0024] The four corners of the upper end of the base 1 are connected to the limit boxes 2. The limit boxes 2 on the left and right sides are close to each other and have an opening 4 on one side. The fixed splint 13 is provided with a penetrating slide opening 21, and the pressure seat 22 slides in the slide opening 21. In this way, when the legs are placed between the limit boxes 2 on both sides, the thighs can be placed between the fixed splints 13 on the left and right limit boxes 2 on the front side, and the calves can be placed between the fixed splints 13 on the left and right limit boxes 2 on the back side, and the knee joints can be exposed between the two front limit boxes 2 and the two back limit boxes 2.

[0025] The inner wall of the limit box 2 is connected with multiple limit slide bars 5, and the slide frame 6 is slidably mounted on the outside of each limit slide bar 5. A spring 7 mounted on the outside of the limit slide bar 5 is connected between the slide frame 6 and the inner wall of the limit box 2. This can make the sliding of the slide frame 6 in the limit box 2 more stable, and under the action of the spring 7, it can drive the upper seat 8 of the slide frame 6 to approach the limit box 2 through the fixed splint 13 connected by the adjustment component, so as to leave enough space for the legs to be placed between the fixed splints 13 on both sides for limited correction.

[0026] The upper guard plate 15 and the side plates 17 are respectively connected to the radial sides of the rotating shaft 14, and a slot 16 is opened on the fixed splint 13. A plurality of limit slide bars 18 are connected to the side of the fixed splint 13 close to the limit box 2, and the slide 19 is slidably sleeved on the outer side of each slide 19, and the side plates 17 and the rotating plate 1 20 are rotated in the slot 16, so that when the slide 19 is close to the fixed splint 13, the side plates 17 can be driven to rotate by the rotating plate 1 20, and then the rotating shaft 14 and the upper guard plate 15 can be rotated, so that the upper guard plate 15 can be flipped over the fixed splint 13 to facilitate placing the legs between the fixed splints 13 on both sides. At the same time, since the slide 19 is close to the fixed splint 13, the pressure seat 22 will pass through the slideway opening 21 and extend to the side of the fixed splint 13 away from the limit box 2, so that it can directly contact the patient's legs.

[0027] Embodiment 2;

[0028] like Figures 1-10 As shown, the present invention discloses an orthosis for bone and joint reduction and fixation. Compared with the first embodiment, this embodiment discloses the structure of the adjustment component.

[0029] 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 holders 8 close to each other. One end of the T-shaped screw 10 is threadedly sleeved in the threaded sleeve 9, and the other end extends outside the threaded sleeve 9 and is close to the fixed splint 13. The turntable 11 is rotatably sleeved on the extended end of the T-shaped screw 10, and a turntable 12 is rotatably connected between the turntable 11 and the fixed splint 13.

[0030] By rotating the extended end of the T-shaped screw 10, the length of the extended end outside the threaded sleeve 9 can be adjusted, and then the distance between the fixing splint 13 and the limit box 2 can be adjusted. When the fixing splints 13 on both sides are adjusted, the fixing splints 13 on both sides can be driven to approach each other, so as to facilitate clamping the thigh or calf placed between the fixing splints 13 on both sides. Since the leg circumference of the thigh and calf is different, and the shape of the thigh and calf is not a uniform cylinder, the T-shaped screw 10 on one side can be rotated by adjusting the rotation of the T-shaped screw 10 on one side alone to drive the fixing splint 13 and the limit box 2 to form an inclined angle through the rotating rod 12, so as to better adjust according to the contours of the thigh and calf, realize the limitation of the thigh and calf, avoid poor blood circulation caused by direct clamping or binding, and facilitate the rehabilitation of the patient's knee joint.

[0031] During the process, the fixed splints 13 on both sides approach each other, and the pressure seat 22 sliding in the slide opening 21 of the fixed splint 13 will conflict with the leg, driving the slide 19 to move away from the fixed splint 13, and then pulling the side plate 17 to rotate through the rotating plate 12, so that the rotating shaft 14 can drive the upper guard plate 15 from the upper side open state to rotate toward the leg between the fixed splints 13 on both sides, so as to limit the two sides of the leg through the fixed splints 13 on both sides, and the upper guard plate 15 on the upper side can also rotate toward the leg to limit the upper side of the leg, ensuring multi-directional limited correction of the leg, and maintaining the limit of the leg joint while avoiding poor blood circulation caused by direct clamping or binding. Embodiment 3;

[0032] like Figures 1-10 As shown, the present invention discloses an orthosis for bone and joint reduction and fixation. Compared with the second embodiment, this embodiment discloses the structure of a driving component.

[0033] The driving assembly includes a variable frequency motor 29, a bidirectional screw rod 30, a gear 35, and a rack 37. The variable frequency motor 29 is installed on the inner walls of both sides of the limit box 2. The two ends of the bidirectional screw rod 30 are respectively installed on the output ends of the variable frequency motors 29 on both sides close to each other. The two slides 31 in the limit box 2 are respectively threaded on the outer side surfaces of the two ends of the bidirectional screw rod 30. The gear 35 is rotatably mounted on the upper and lower sides of the slide 31. The cam 36 is mounted on the side of each gear 35 away from the slide 31. The surface of the cam 36 fits and slides against the slide frame 6. The rack 37 is connected to the inner wall of the limit box 2, and the rack 37 is meshed with the gear 35.

[0034] The upper and lower sides of the slide 31 are connected with sleeve rods 34, the inner wall of the limit box 2 is connected with 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 bidirectional screw rod 30 are rotated in opposite directions.

[0035] The slide 31 can slide stably in the limit box 2 through the sliding sleeve of the sleeve rod 34 and the guide slide rod 33. The setting of the bidirectional screw rod 30 can drive the slide 31 with threaded sleeves at both ends of its outer side surfaces to move closer or farther away from each other during forward and reverse rotation.

[0036] The inner wall of the limit box 2 is also connected to a guide slide bar 24, and the guide slide bar 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. A limit ring platform 28 is centrally mounted on the outer side of the guide slide bar 24, and sliders 25 are provided on both sides of the limit ring platform 28, and the sliders 25 are slidably sleeved on the outer side of the guide slide bar 24. A spring 27 sleeved on the outer side of the guide slide bar 24 is connected between each slider 25 and the limit ring platform 28. The rear side of the slide 19 is connected to a connecting seat 23, and a rotating rod 26 is connected between each slider 25 and the connecting seat 23. A vertical plate 32 is connected to the slide seat 31, and the vertical plate 32 cooperates and contacts with the slider 25. The sliding sleeve of the slider 25 and the guide slide bar 24 can ensure the stable sliding of the slide 19.

[0037] When the two side slides 31 are close to each other and are within the length range of the rack 37, the gear 35 connected to the slide 31 can be driven to mesh with the rack 37 to drive the cam 36 to rotate, so that the slide frame 6 can slide in a small range under the action of the cam 36 and the spring 1 7, so that when the driving assembly is running, the fixed splints 13 on both sides can move closer to or away from each other in a small range, thereby pressing the leg.

[0038] Embodiment 4:

[0039] like Figures 1-10 As shown, the present invention discloses an orthosis for bone and joint reduction and fixation. Compared with the third embodiment, this embodiment discloses the structure of a linkage assembly.

[0040] The linkage assembly includes a square opening 3, a guide slide rod 38, a mounting seat 39, and a sleeve plate 41. The square opening 3 is opened at one end of the front and rear limit boxes 2 away from each other. The guide slide rod 38 is connected to a side of the front and rear limit boxes 2 away from each other and is located on one side of the square opening 3. The sleeve plate 41 is slidably sleeved on the outside of the guide slide rod 38. The sleeve plate 41 is slidably sleeved on the outside of the guide slide rod 1 33. A rotating plate 2 42 is rotatably connected between the sleeve plate 41 and the mounting seat 39, and the pulley 40 is installed on the mounting seat 39.

[0041] A spring three 43 is connected between the mounting seat 39 and the guide slide bar three 38 and is sleeved on the outside of the guide slide bar three 38 . The rotating plate two 42 passes through the square opening 3 and is rotatably arranged in the square opening 3 .

[0042] When the two side slides 31 move away from each other to the farthest end, they can also contact the sleeve plate 41, pushing the sleeve plate 41 to slide toward the square opening 3, thereby driving the second rotating plate 42 to rotate, pushing the mounting seat 39 and the pulley 40 to fall below the base 1, so that the device can be laid flat on the bed and pushed into use by the patient's feet. The pulley 40 can facilitate the sliding of the device on the soft bed, making it convenient to use. It can achieve stable positioning and correction of the patient's knee joint without causing a tight clamping of the patient's legs, which is beneficial to the patient's leg blood circulation. At the same time, it can also provide auxiliary pressing and massage, which is beneficial to stimulating the patient's muscle vitality, avoiding excessive muscle atrophy, and reducing the subsequent rehabilitation exercise period.

[0043] Based on the disclosure and teachings of the above description, those skilled in the art may also make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and modifications and variations of the present invention should also fall within the scope of protection of the claims of the present invention. In addition, although certain specific terms are used in this description, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. An orthosis for bone joint reduction and fixation, comprising a base (1), a limit box (2) connected to the base (1), an opening (4) being provided on a side of the limit boxes (2) on the left and right sides close to each other, a sliding frame (6) being slidably provided in the limit box (2), and characterized in that: Both sides of the sliding frame (6) are connected with a card seat (8), the card seat (8) slides through the opening (4) to the inner and outer sides of the limit box (2), and is slidably mounted on the side edge of the opening (4), the card seat (8) is provided with a fixed clamping plate (13) at the outer end of the limit box (2), the card seat (8) is provided with an adjustment component, the adjustment component is used to adjust the position and angle of the fixed clamping plate (13), a rotating shaft (14) is rotatably installed on the fixed clamping plate (13), and the rotating shaft (14) is connected to an upper guard plate (15), and the rotating shaft (14) is also connected to a side plate (17); The fixed splint (13) is provided with a slide (19) on one side close to the limit box (2), and the slide (19) passes through the fixed splint (13) and is connected to a pressure seat (22). A rotating plate (20) is rotatably connected between the slide (19) and the side plate (17). A slide (31) is slidably provided in the limit box (2), and cams (36) that are in contact with the surface of the slide frame (6) are rotatably installed on the upper and lower sides of the slide (31). A driving component is also provided in the limit box (2), and the driving component is used to drive the slide (31) to slide and drive the cam (36) to rotate to resist the slide frame (6). The outer side of the limit box (2) is slidably connected to a pulley (40), and a linkage component is provided in the limit box (2). The linkage component is used to drive the pulley (40) to slide on the outer side of the limit box (2).

2. The orthosis for bone joint reduction and fixation according to claim 1, characterized in that: The four corners of the upper end of the base (1) are connected to the limit boxes (2), and the limit boxes (2) on the left and right sides are provided with openings (4) on one side close to each other. The fixed splint (13) is provided with a through slide opening (21), and the pressure seat (22) slides in the slide opening (21).

3. The orthosis for bone joint reduction and fixation according to claim 1, characterized in that: The inner wall of the limit box (2) is connected to a plurality of limit slide bars (5), the slide frame (6) is slidably mounted on the outside of each limit slide bar (5), and a spring (7) mounted on the outside of the limit slide bar (5) is connected between the slide frame (6) and the inner wall of the limit box (2).

4. The orthosis for bone joint reduction and fixation according to claim 1, characterized in that: The upper guard plate (15) and the side plate (17) are respectively connected to the radial sides of the rotating shaft (14); a slot (16) is provided on the fixed splint (13); a plurality of limit slide bars (18) are connected to the side of the fixed splint (13) close to the limit box (2); the slides (19) are slidably sleeved on the outside of each slide (19); and the side plates (17) and the rotating plate (20) both rotate in the slot (16).

5. The orthosis for bone joint reduction and fixation according to claim 1, characterized in that: The adjustment 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 holders (8) close to each other. One end of the T-shaped screw (10) is threadedly sleeved in the threaded sleeve (9), and the other end extends outside the threaded sleeve (9) and is close to the fixed splint (13). The turntable (11) is rotatably sleeved on the extended end of the T-shaped screw (10). A turntable (12) is rotatably connected between the turntable (11) and the fixed splint (13).

6. The orthosis for bone joint reduction and fixation according to claim 1, characterized in that: The driving assembly includes a variable frequency motor (29), a bidirectional 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 screw (30) are respectively installed on the output ends of the variable frequency motors (29) on both sides close to each other. The two slides (31) in the limit box (2) are respectively threadedly sleeved on the outer side surfaces of the two ends of the bidirectional screw (30). The gear (35) is rotatably sleeved on the upper and lower sides of the slide (31). The cam (36) is sleeved on the side of each gear (35) away from the slide (31). The surface of the cam (36) is fitted and slidably against the slide frame (6). The rack (37) is connected to the inner wall of the limit box (2), and the rack (37) is meshed and connected with the gear (35).

7. The orthosis for bone joint reduction and fixation according to claim 6, characterized in that: The upper and lower sides of the slide (31) are both connected to sleeve rods (34), 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 outer side of the guide slide rod (33), and the threads of the outer side surfaces at both ends of the bidirectional screw rod (30) are rotated in opposite directions.

8. The orthosis for bone joint reduction and fixation according to claim 6, characterized in that: The inner wall of the limit box (2) is also connected to a second guide slide bar (24), and the second guide slide bar (24) is parallel to the axial direction of the bidirectional screw rod (30) and is arranged on both the upper and lower sides of the bidirectional screw rod (30). A limit ring platform (28) is centrally mounted on the outer side surface of the second guide slide bar (24). Slide blocks (25) are provided on both sides of the limit ring platform (28), and the slide blocks (25) are slidably mounted on the outer side of the second guide slide bar (24). A second spring (27) mounted on the outer side of the second guide slide bar (24) is connected between each of the slide blocks (25) and the limit ring platform (28). The rear side of the slide (19) is connected to a connecting seat (23). A second rotating rod (26) is connected between each of the slide blocks (25) and the connecting seat (23). A vertical plate (32) is connected to the slide seat (31), and the vertical plate (32) cooperates with and contacts the slide block (25).

9. The orthosis for bone joint reduction and fixation according to claim 7, characterized in that: The linkage assembly includes a square opening (3), a guide slide bar 3 (38), a mounting seat (39), and a sleeve (41). The square opening (3) is opened at one end of the front and rear limit boxes (2) away from each other. The guide slide bar 3 (38) is connected to a side of the front and rear limit boxes (2) away from each other and is located on one side of the square opening (3). The sleeve (41) is slidably sleeved on the outside of the guide slide bar 3 (38). The sleeve (41) is slidably sleeved on the outside of the guide slide bar 1 (33). A rotating plate 2 (42) is rotatably connected between the sleeve (41) and the mounting seat (39). The pulley (40) is mounted on the mounting seat (39).

10. The orthosis for bone and joint reduction and fixation according to claim 9, characterized in that: A spring three (43) is connected between the mounting seat (39) and the guide slide three (38) and is sleeved on the outside of the guide slide three (38). The rotating plate two (42) passes through the square opening (3) and is rotatably arranged in the square opening (3).

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