Auxiliary traction device for orthopedics

Abstract

The present invention discloses an auxiliary traction device for orthopedics, specifically relates to the technical field of auxiliary traction in orthopedics, and comprises: a base, a protective frame is arranged at one end of the top of the base, and a liftable cushion is arranged at the top of the base in the protective frame; an upper limb traction mechanism, the upper limb traction mechanism comprises a fixed frame arranged at the top of the protective frame, a concave cavity is arranged in the middle of the bottom of the fixed frame, and a movable slider is arranged in the concave cavity, and a second connecting arm is rotatably connected to the bottom of the fixed frame near the concave cavity through a rotating shaft. The present invention arranges the upper limb traction mechanism above the cushion, and when in use, the patient's hands can be respectively held on two pull handles, and by controlling the traction rod to move between the two guide frames, the traction rod can drive the pull handle to rise or fall along an arc track through the fixed sleeve and the connecting column, so that the pull handle can pull the patient's arms to perform arc-shaped reciprocating up and down stretching movements, so as to effectively perform upper limb rehabilitation exercises for the patient.

Description

Technical Field

[0001] The invention relates to the technical field of orthopedic auxiliary traction, and in particular to an orthopedic auxiliary traction device. Background Art

[0002] Orthopedics, also known as orthopedic surgery, is a specialty or discipline in medicine that specializes in the anatomy, physiology, and pathology of the skeletal muscle system, using drugs, surgery, and physical methods to maintain and develop the normal form and function of this system, as well as to treat injuries and diseases of this system.

[0003] In the process of treatment and care for orthopedic patients, in order to speed up the patient's recovery, it is often necessary to use traction devices to assist in traction of the patient's limbs for exercise. However, the existing auxiliary traction devices have relatively single functions and can often only help patients do some simple lifting exercises. They cannot comprehensively perform traction training on the patient's upper or lower limbs. The auxiliary traction effect is not good, and it is difficult to effectively meet the rehabilitation care needs of orthopedic patients. Summary of the invention

[0004] The object of the present invention is to provide an auxiliary traction device for orthopedics to solve the above-mentioned deficiencies in the technology.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solution: an auxiliary traction device for orthopedics, comprising:

[0006] A base, wherein a protective frame is disposed at one end of the top of the base, and a liftable cushion is disposed at the top of the base in the protective frame;

[0007] An upper limb traction mechanism, the upper limb traction mechanism comprises a fixed frame arranged at the top of the protective frame, a concave cavity is arranged in the middle of the bottom of the fixed frame, and a movable slider is arranged in the concave cavity, one end of the bottom of the fixed frame is rotatably connected to a second connecting arm near the bottom of the concave cavity through a rotating shaft, the bottom end of the second connecting arm is connected to a traction rod, and the second connecting arm and the slider are rotatably connected to the first connecting arm through a rotating shaft, a guide assembly is arranged between the traction rod and the protective frame, and both ends of the outer wall of the traction rod are rotatably installed with a fixed sleeve, the bottom end of the fixed sleeve is provided with a connecting column, and the bottom end of the connecting column is rotatably connected to a pull handle;

[0008] A lower limb traction mechanism, the lower limb traction mechanism includes a vertical frame fixed to the top of the base close to one side of the seat cushion, and a support frame is provided at the top of the base close to the bottom of the seat cushion, a push-pull rotation component is provided between the support frame and the vertical frame, and two L-shaped support arms are symmetrically provided at the top of the vertical frame through a rotating axis, and traction plates are fixed to the tops of the two L-shaped support arms, and retractable sliding columns are provided at the ends of the two traction plates, and a traction seat is connected to the end of the sliding column, and a foot pedal is fixed to one end of the traction seat relative to the sliding column.

[0009] Preferably, the interior of the concave cavity is rotatably connected to a threaded rod via a bearing, the slider is screwed onto the outside of the threaded rod via a thread, a first motor is fixed to one end of the fixing frame, and an output end of the first motor is connected to the threaded rod.

[0010] Preferably, the guide assembly includes guide frames symmetrically arranged on both sides of the top of the protective frame close to the bottom of the fixed frame, the side walls of the guide frames are provided with arc guide grooves, and guide columns are fixed at both ends of the traction rod, and the guide columns are slidably fitted in the arc guide grooves.

[0011] Preferably, a stud is provided at the bottom end of the fixing sleeve, and a screw groove matching the stud is provided at the top end of the connecting column.

[0012] Preferably, the push-pull rotating assembly comprises a support column that is inserted and moved in the support frame, a movable block is fixed at one end of the support column, and a clamping assembly is provided between the support column and the support frame, and a push-pull arm is rotatably connected between the movable block and the two L-shaped support arms via a rotating shaft;

[0013] The two ends of the interior of the support frame are located on one side of the support column and are rotatably connected to a connecting shaft through a bearing, the tops of the two connecting shafts are fixed with driven gears, and the bottom ends of the two connecting shafts are symmetrically fixed with fan gears, and a second motor is arranged in the middle of the top of the support frame, and the output end of the second motor extends into the support frame and is connected to a driving gear, and the two ends of the driving gear are respectively meshed with two driven gears, and first tooth plates are symmetrically fixed on both sides of the support column, and the two first tooth plates are respectively meshed with two fan gears.

[0014] Preferably, the clamping assembly comprises a T-shaped clamping strip fixedly connected to the bottom side of the support column, and the inner bottom side of the support frame is provided with a T-shaped clamping groove matching the T-shaped clamping strip.

[0015] Preferably, a sliding cavity is opened inside the traction plate, the sliding column is slidably connected in the sliding cavity, and a second tooth plate is fixed to one side of the sliding column, a third motor is fixed to one end of the bottom of the sliding cavity close to the traction seat, the output end of the third motor extends into the sliding cavity and is provided with a transmission gear, the transmission gear is meshed with the second tooth plate, and a limit assembly is provided between the sliding column and the sliding cavity.

[0016] Preferably, the limiting assembly comprises a limiting plate fixedly connected to the top side of the sliding column, and a limiting groove matching the limiting plate is formed on the inner top side of the sliding cavity.

[0017] Preferably, a strap is provided on the inner side of the foot pedal, and a reinforcing beam is provided between the traction plate and the L-shaped support arm.

[0018] Preferably, two cylinders are symmetrically arranged at the top of the base near the bottom of the cushion, the top of the cylinder is fixedly connected to the cushion, the four ends of the bottom of the cushion are connected to support bars, the bottom end of the support bar is sleeved with a support tube, and the bottom end of the support tube is fixedly connected to the base.

[0019] In the above technical solution, the technical effects and advantages provided by the present invention are:

[0020] By arranging an upper limb traction mechanism above the seat cushion, the patient can hold both hands on the two pull handles respectively during use, and by controlling the traction rod to move between the two guide frames, the traction rod can drive the pull handle to rise or fall along an arc track through the fixing sleeve and the connecting column, so that the pull handle can pull the patient's arms to stretch up and down in an arc shape, so as to effectively perform upper limb rehabilitation exercises for the patient;

[0021] By arranging a lower limb traction mechanism on one side of the seat cushion, the patient's legs can be placed on the two traction plates respectively, and the feet can be placed between the traction seat and the foot pedal. By controlling the support column to continuously move back and forth in the support frame, the push-pull arm can drive the two traction plates to continuously rotate inward and outward through the L-shaped support arm, so that the patient's legs can be pulled to continuously open outward and close inward, so that the patient's lower limbs can be effectively rehabilitated.

[0022] By arranging structures such as a sliding column, a sliding cavity and a transmission gear between the traction plate and the traction seat, the sliding column can drive the traction seat to move, so that the distance between the traction plate and the traction seat can be adjusted according to the patient's leg length, which greatly improves the applicability of the device, and by controlling the sliding column to drive the traction seat to move forward and backward continuously, the traction seat can drive the patient's legs to bend and stretch forward and backward continuously, so that the patient's legs can be further pulled, which greatly improves the use effect of the device;

[0023] By providing a liftable seat cushion and with the cooperation of multiple groups of support bars and support tubes, the seat cushion can be controlled to stably rise and fall, so that the height position of the seat cushion can be flexibly adjusted according to the needs of the patient, and by providing studs and screw grooves between the fixing sleeve and the connecting column, the connecting column can drive the pull handle to move up and down, so that the grip height of the pull handle can be adjusted, and then the patient can be better suited for traction exercises, which greatly meets the rehabilitation care needs of orthopedic patients. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is one of the overall structural schematic diagrams of the present invention;

[0026] Figure 2 This is the second schematic diagram of the overall structure of the present invention;

[0027] Figure 3 is a longitudinal cross-sectional view of the seat cushion of the present invention;

[0028] Figure 4 It is a structural schematic diagram of the connection between the support column and the support cylinder of the present invention;

[0029] Figure 5 This is a schematic diagram of the structure of the connection between the fixing frame, the traction rod and the guide frame of the present invention;

[0030] Figure 6 The second structural schematic diagram of the connection between the fixing frame, the traction rod and the guide frame of the present invention;

[0031] Figure 7 is a longitudinal cross-sectional view of the fixing frame of the present invention;

[0032] Figure 8 It is a schematic diagram of the connection structure between the fixing sleeve and the pull handle of the present invention;

[0033] Fig. 9 This is one of the structural schematic diagrams of the connection between the support column and the placement plate of the present invention;

[0034] Fig.10 This is the second structural schematic diagram of the connection between the support column and the placement plate of the present invention;

[0035] Fig.11 It is a schematic diagram of the internal structure of the support frame of the present invention;

[0036] Fig.12 is a longitudinal cross-sectional view of the support frame of the present invention;

[0037] Fig.13 It is a schematic diagram of the internal structure of the placement plate of the present invention;

[0038] Fig.14 It is a schematic diagram of the three-dimensional structure of the placement plate of the present invention.

[0039] Description of reference numerals:

[0040] 1. Base; 2. Protective frame; 3. Cushion; 4. Cylinder; 5. Support tube; 6. Support bar; 7. Fixed frame; 8. Slider; 9. First connecting arm; 10. Second connecting arm; 11. Traction rod; 12. Fixed sleeve; 13. Pull handle; 14. Threaded rod; 15. First motor; 16. Guide frame; 17. Arc guide groove; 18. Guide column; 19. Connecting column; 20. Stud; 21. Screw groove; 22. Support frame; 23. Stand; 24. L-shaped support arm ; 25. traction plate; 26. traction seat; 27. foot pedal; 28. movable block; 29. ​​push-pull arm; 30. support column; 31. T-shaped clip strip; 32. T-shaped clip slot; 33. connecting shaft; 34. driven gear; 35. fan gear; 36. second motor; 37. driving gear; 38. first gear plate; 39. sliding cavity; 40. sliding column; 41. limit plate; 42. limit slot; 43. third motor; 44. transmission gear; 45. second gear plate. DETAILED DESCRIPTION

[0041] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] The present invention provides Figure 1-Figure 14 An auxiliary traction device for orthopedics is shown, comprising:

[0043] A base 1, a protective frame 2 is disposed at one end of the top of the base 1, and a liftable cushion 3 is disposed at the top of the base 1 inside the protective frame 2;

[0044] Two cylinders 4 are symmetrically arranged at the top of the base 1 near the bottom of the cushion 3. The top of the cylinder 4 is fixedly connected to the cushion 3. The four ends of the bottom of the cushion 3 are connected to support bars 6. The bottom end of the support bar 6 is sleeved with a support tube 5, and the bottom end of the support tube 5 is fixedly connected to the base 1.

[0045] The seat cushion 3 can be driven to rise and fall by the cylinder 4, and the seat cushion 3 can drive the support bar 6 to slide in the support tube 5. With the support of multiple groups of support bars 6 and the support tube 5, the seat cushion 3 can be controlled to rise and fall stably, and then the height position of the seat cushion 3 can be flexibly adjusted according to the needs of the patient to better cooperate with the patient in traction exercise.

[0046] Upper limb traction mechanism, specific reference Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the upper limb traction mechanism includes a fixed frame 7 arranged at the top of the protective frame 2, a concave cavity is arranged in the middle of the bottom of the fixed frame 7, and a movable slider 8 is arranged in the concave cavity, a second connecting arm 10 is rotatably connected to the bottom of the concave cavity at one end of the bottom of the fixed frame 7 through a rotating shaft, a traction rod 11 is connected to the bottom end of the second connecting arm 10, and a first connecting arm 9 is rotatably connected between the second connecting arm 10 and the slider 8 through a rotating shaft, a guide assembly is arranged between the traction rod 11 and the protective frame 2, and a fixed sleeve 12 is rotatably installed at both ends of the outer wall of the traction rod 11, a connecting column 19 is arranged at the bottom end of the fixing sleeve 12, and a pull handle 13 is rotatably connected to the bottom end of the connecting column 19;

[0047] A threaded rod 14 is rotatably connected to the inside of the cavity through a bearing, and the slider 8 is screwed to the outside of the threaded rod 14 through a thread. A first motor 15 is fixed to one end of the fixing frame 7, and the output end of the first motor 15 is connected to the threaded rod 14.

[0048] The guide assembly includes guide frames 16 symmetrically arranged on both sides of the top of the protective frame 2 near the bottom of the fixed frame 7, and the side walls of the guide frames 16 are provided with arc guide grooves 17. Both ends of the traction rod 11 are fixed with guide posts 18, and the guide posts 18 are slidably fitted in the arc guide grooves 17.

[0049] When in use, the patient can sit on the cushion 3 and hold the two handles 13 with both hands respectively. By starting the first motor 15, the first motor 15 can drive the threaded rod 14 to rotate, and then the threaded rod 14 drives the slider 8 to move, so that the slider drives the first connecting arm 9 to rotate, and then the first connecting arm 9 drives the second connecting arm 10 to rotate, so that the second connecting arm 10 can drive the traction rod 11 to move between the two guide frames 16, and the traction rod 11 can drive the guide column 18 to slide in the arc guide groove 17, so that the traction rod 11 can drive the pull handle 13 to rise or fall along the arc trajectory through the fixing sleeve 12 and the connecting column 19, and then the pull handle 13 can pull the patient's arms to perform an arc-shaped reciprocating up and down stretching movement, so as to effectively perform upper limb rehabilitation exercises for the patient.

[0050] A stud 20 is disposed at the bottom end of the fixing sleeve 12 , and a screw groove 21 matching the stud 20 is formed at the top end of the connecting column 19 .

[0051] By providing the stud 20 and the screw groove 21 and rotating the connecting column 19, the connecting column 19 can drive the handle 13 to move up and down under the action of the thread, so that the grip height of the handle 13 can be adjusted to better suit the patient's use.

[0052] Lower limb traction mechanism, specific reference Fig. 9 , Fig.10 , Fig.11 and Fig.12As shown, the lower limb traction mechanism includes a vertical frame 23 fixed on the top of the base 1 near the side of the seat cushion 3, and a support frame 22 is provided at the top of the base 1 near the bottom of the seat cushion 3, a push-pull rotation component is provided between the support frame 22 and the vertical frame 23, and two L-shaped support arms 24 are symmetrically provided at the top of the vertical frame 23 through a rotating axis, and a traction plate 25 is fixed to the top of the two L-shaped support arms 24, and a retractable sliding column 40 is provided at the end of the two traction plates 25, and a traction seat 26 is connected to the end of the sliding column 40, and a foot pedal 27 is fixed to the traction seat 26 at one end relative to the sliding column 40.

[0053] The push-pull rotating assembly includes a support column 30 that is inserted and moved in the support frame 22, a movable block 28 is fixed to one end of the support column 30, and a clamping assembly is provided between the support column 30 and the support frame 22, and a push-pull arm 29 is rotatably connected between the movable block 28 and the two L-shaped support arms 24 through a rotating shaft;

[0054] The two ends of the interior of the support frame 22 are located on one side of the support column 30 and are rotatably connected to the connecting shaft 33 through bearings. The tops of the two connecting shafts 33 are fixed with driven gears 34, and the bottoms of the two connecting shafts 33 are symmetrically fixed with fan gears 35. A second motor 36 is arranged in the middle of the top of the support frame 22. The output end of the second motor 36 extends into the support frame 22 and is connected to a driving gear 37. The two ends of the driving gear 37 are respectively meshed with the two driven gears 34. The first tooth plates 38 are symmetrically fixed on both sides of the support column 30, and the two first tooth plates 38 are respectively meshed with the two fan gears 35.

[0055] When in use, the patient's legs can be placed on the two traction plates 25 respectively, and the feet can be placed between the traction seat 26 and the foot pedal 27. By starting the second motor 36, the second motor 36 can drive the driving gear 37 to rotate, and then the driving gear 37 drives the driven gears 34 on both sides to rotate. The driven gear 34 can drive the fan gear 35 to rotate through the connecting shaft 33, so that the fan gear 35 drives the first gear plate 38 to rotate, and the two synchronously rotating first gear plates 38 can intermittently mesh with a certain first gear plate 38, so that the support column 30 can continuously move back and forth in the support frame 22, and the support column 30 can drive the movable block 28 to move, so that the movable block 28 drives the two push-pull arms 29 to move, and then the push-pull arms 29 pull the two L-shaped support arms 24 to rotate synchronously, so that the L-shaped support arms 24 drive the two traction plates 25 to rotate continuously inward and outward, so that the patient's legs can be pulled to continuously open outward and close inward, thereby effectively performing rehabilitation exercises on the patient's lower limbs.

[0056] The clamping assembly includes a T-shaped clamping strip 31 fixedly connected to the bottom side of the support column 30, and a T-shaped clamping slot 32 matching the T-shaped clamping strip 31 is provided on the inner bottom side of the support frame 22. Based on this, by providing the T-shaped clamping strip 31 and the T-shaped clamping slot 32, the support column 30 can be ensured to move stably along a straight line.

[0057] A strap is provided on the inner side of the footrest 27, and a reinforcing beam is provided between the traction plate 25 and the L-shaped support arm 24. Based on this, the patient's feet can be bound between the traction seat 26 and the footrest 27 by the strap, and the connection strength between the traction plate 25 and the L-shaped support arm 24 can be greatly strengthened by the reinforcing beam.

[0058] Specific reference Fig.13 and Fig.14 As shown, a sliding cavity 39 is opened inside the traction plate 25, and a sliding column 40 is slidably connected in the sliding cavity 39, and a second tooth plate 45 is fixed to one side of the sliding column 40, and a third motor 43 is fixed to one end of the bottom of the sliding cavity 39 close to the traction seat 26. The output end of the third motor 43 extends into the sliding cavity 39 and is provided with a transmission gear 44. The transmission gear 44 is meshed with the second tooth plate 45, and a limit assembly is provided between the sliding column 40 and the sliding cavity 39.

[0059] By starting the third motor 43, the third motor 43 drives the transmission gear 44 to rotate, and then the transmission gear 44 drives the second tooth plate 45 to mesh, so that the second tooth plate 45 drives the slide post 40 to slide in the slide cavity 39, so that the slide post 40 drives the traction seat 26 to move, and the distance between the traction plate 25 and the traction seat 26 can be adjusted according to the patient's leg length, which greatly improves the applicability of the device;

[0060] By driving the transmission gear 44 to rotate forward and reversely through the third motor 43, the slide column 40 can drive the traction seat 26 to move forward and backward continuously, so that the traction seat 26 can drive the patient's legs to bend and stretch forward and backward continuously, so as to further traction exercise the patient's legs, greatly improving the use effect of the device.

[0061] The limiting assembly includes a limiting plate 41 fixedly connected to the top side of the sliding column 40, and a limiting groove 42 matching the limiting plate 41 is provided on the inner top side of the sliding cavity 39. Based on this, by providing the limiting plate 41 and the limiting groove 42, the stability of the sliding column 40 during extension and retraction can be greatly enhanced.

[0062] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An auxiliary traction device for orthopedics, characterized in that: include: A base (1), wherein a protective frame (2) is disposed at one end of the top of the base (1), and a liftable cushion (3) is disposed at the top of the base (1) and located inside the protective frame (2); An upper limb traction mechanism, the upper limb traction mechanism comprising a fixed frame (7) arranged at the top of a protective frame (2), a concave cavity is arranged in the middle of the bottom of the fixed frame (7), and a movable slider (8) is arranged in the concave cavity, one end of the bottom of the fixed frame (7) is rotatably connected to a second connecting arm (10) through a rotating shaft near the bottom of the concave cavity, the bottom end of the second connecting arm (10) is connected to a traction rod (11), and a first connecting arm (9) is rotatably connected between the second connecting arm (10) and the slider (8) through a rotating shaft, a guide assembly is arranged between the traction rod (11) and the protective frame (2), and both ends of the outer wall of the traction rod (11) are rotatably mounted with a fixed sleeve (12), the bottom end of the fixed sleeve (12) is provided with a connecting column (19), and the bottom end of the connecting column (19) is rotatably connected to a pull handle (13); A lower limb traction mechanism, the lower limb traction mechanism comprises a stand (23) fixed on the top of a base (1) near one side of a seat cushion (3), and a support frame (22) is provided at the top of the base (1) near the bottom of the seat cushion (3), a push-pull rotation assembly is provided between the support frame (22) and the stand (23), two L-shaped support arms (24) are symmetrically provided at the top of the stand (23) through a rotating axis, a traction plate (25) is fixed at the top of the two L-shaped support arms (24), and a retractable sliding column (40) is provided at the end of the two traction plates (25), and a traction seat (26) is connected to the end of the sliding column (40), and a foot pedal (27) is fixed to one end of the traction seat (26) relative to the sliding column (40).

2. The orthopedic auxiliary traction device according to claim 1, characterized in that: The interior of the concave cavity is rotatably connected to a threaded rod (14) via a bearing, the slider (8) is screwed onto the outside of the threaded rod (14) via a thread, a first motor (15) is fixed to one end of the fixing frame (7), and an output end of the first motor (15) is connected to the threaded rod (14).

3. The orthopedic auxiliary traction device according to claim 1, characterized in that: The guide assembly comprises guide frames (16) symmetrically arranged on both sides of the top of the protection frame (2) and close to the bottom of the fixing frame (7), the side walls of the guide frames (16) are provided with arc-shaped guide grooves (17), and guide posts (18) are fixed at both ends of the traction rod (11), and the guide posts (18) are slidably fitted in the arc-shaped guide grooves (17).

4. The orthopedic auxiliary traction device according to claim 1, characterized in that: The bottom end of the fixing sleeve (12) is provided with a stud (20), and the top end of the connecting column (19) is provided with a screw groove (21) matching the stud (20).

5. The orthopedic auxiliary traction device according to claim 1, characterized in that: The push-pull rotating assembly comprises a support column (30) which is inserted and moved in the support frame (22); a movable block (28) is fixed to one end of the support column (30); a clamping assembly is provided between the support column (30) and the support frame (22); and a push-pull arm (29) is rotatably connected between the movable block (28) and the two L-shaped support arms (24) via a rotating shaft; The two ends of the interior of the support frame (22) are located on one side of the support column (30) and are rotatably connected to a connecting shaft (33) through a bearing. The top ends of the two connecting shafts (33) are fixed with a driven gear (34), and the bottom ends of the two connecting shafts (33) are symmetrically fixed with a fan-shaped gear (35). A second motor (36) is arranged in the middle of the top of the support frame (22). The output end of the second motor (36) extends into the support frame (22) and is connected to a driving gear (37). The two ends of the driving gear (37) are respectively meshed with the two driven gears (34). The two sides of the support column (30) are symmetrically fixed with a first tooth plate (38), and the two first tooth plates (38) are respectively meshed with the two fan-shaped gears (35).

6. The orthopedic auxiliary traction device according to claim 5, characterized in that: The clamping assembly comprises a T-shaped clamping strip (31) fixedly connected to the bottom side of the support column (30), and a T-shaped clamping groove (32) matching the T-shaped clamping strip (31) is provided on the inner bottom side of the support frame (22).

7. The orthopedic auxiliary traction device according to claim 1, characterized in that: A sliding cavity (39) is provided inside the traction plate (25), the sliding column (40) is slidably connected in the sliding cavity (39), and a second tooth plate (45) is fixed on one side of the sliding column (40), a third motor (43) is fixed at one end of the bottom of the sliding cavity (39) close to the traction seat (26), the output end of the third motor (43) extends into the sliding cavity (39) and is provided with a transmission gear (44), the transmission gear (44) is meshed with the second tooth plate (45), and a limit assembly is provided between the sliding column (40) and the sliding cavity (39).

8. The orthopedic auxiliary traction device according to claim 7, characterized in that: The limiting assembly comprises a limiting plate (41) fixedly connected to the top side of the sliding column (40), and a limiting groove (42) matching the limiting plate (41) is provided on the inner top side of the sliding cavity (39).

9. The orthopedic auxiliary traction device according to claim 1, characterized in that: A binding belt is provided on the inner side of the footrest (27), and a reinforcing beam is provided between the traction plate (25) and the L-shaped support arm (24).

10. The orthopedic auxiliary traction device according to claim 1, characterized in that: Two cylinders (4) are symmetrically arranged at the top of the base (1) near the bottom of the seat cushion (3), the top of the cylinder (4) is fixedly connected to the seat cushion (3), the four ends of the bottom of the seat cushion (3) are connected to support bars (6), the bottom end of the support bar (6) is sleeved with a support tube (5), and the bottom end of the support tube (5) is fixedly connected to the base (1).

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