CN112618241A

CN112618241A - Hip arthroscopy operation traction device

Info

Publication number: CN112618241A
Application number: CN202110004118.1A
Authority: CN
Inventors: 张善星
Original assignee: Zhejiang Hospital
Current assignee: Zhejiang Hospital
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-04-09

Abstract

The invention relates to the technical field of traction devices, in particular to a traction device for hip arthroscopy surgery. The invention discloses a traction device for hip arthroscopy surgery, which includes a leg support plate. The lower end of the leg support plate is provided with an angle adjustment mechanism. A height adjustment mechanism is arranged at the lower end of the angle adjustment mechanism, and a front and rear adjustment mechanism is arranged at the right end of the height adjustment mechanism, and a fixing mechanism is arranged at the lower end of the front and rear adjustment mechanism. The present invention avoids the need for hoisting or medical staff to support the leg during the operation of the traditional hip joint operation. When hoisting is adopted, the structure is relatively simple and the cost is low, but its stability is poor, and basically only It can be adjusted up and down, and the adjustment direction is limited, which brings the need to adjust the height and angle according to the actual position of the patient's legs and the need to adjust the height and angle during the operation, so that the leg support plate is located in a suitable position, reducing the workload of medical staff.

Description

Hip arthroscopy operation traction device

Technical Field

The invention relates to the technical field of traction devices, in particular to a hip arthroscope operation traction device.

Background

As a minimally invasive operation, the hip arthroscope is an advanced technology for treating hip joint diseases with ineffective conservative treatment. The adjustable leg traction bracket for orthopedic surgery has the advantages that the bracket can treat pathological changes in joints and can be drilled for decompression, damage to blood circulation and stability of the joints is reduced compared with any operation for keeping hip joints, pain is relieved, the joint movement function is improved, and the time for delaying joint replacement is positively played, legs are generally required to be supported by a traction device during the operation, so that a doctor can be assisted to smoothly perform the operation, for example, an adjustable leg traction bracket for orthopedic surgery, which is granted by CN107432770B, is provided with an adjusting bracket, a supporting surface and a traction mechanism, side walls are respectively arranged on two sides of a base and a top seat of the adjusting bracket, a sliding hole and a fixed hole are simultaneously arranged on each side wall, a lower sliding shaft and an upper sliding shaft are respectively arranged in the sliding hole of a bottom side wall and the sliding hole of a top side wall, a lower fixed shaft and an upper fixed shaft are respectively arranged in the fixed hole of the bottom side wall and the fixed hole of the top side wall, two pairs of swing plates are respectively hinged on, the two sides of the front end of the upper footstock are hinged with the inclined supporting rods and the supporting surfaces through the turnover hinge pins, so that the height adjustment of the adjustable support, the ankle traction fixation and the knee traction fixation are realized, and the operation is very convenient, for example, the prior leg adjustable traction support basically meets the requirements of people, but still has some problems, when a traditional patient is used for hip joint operation, the traditional patient is basically hoisted or medical staff support the leg with hands to perform the operation, when the hoisting is adopted, the structure is simpler, the cost is low, but the stability is poorer, the vertical adjustment can be basically performed, the adjustment direction is limited, when the mode of the hand support of the medical staff is adopted, the operation time is longer, the medical staff is required to be supported with hands all the time, the labor is more wasted, the labor intensity of the medical staff is increased, and after the time is longer, the hands of the medical staff are possibly limp, the traction device is unstable in support, operation is affected, the adjustment position of the existing traction device is single, the device cannot be directly fixed at the front end of the bed body and adjusted in multiple directions according to actual conditions, the multi-direction adjustment structure cannot be integrated, and the traction device is used for assisting, so that the problem is solved by the aid of the traction device.

Disclosure of Invention

The invention aims to provide a hip arthroscopy operation traction device, which aims to solve the problems that when the traditional patient is subjected to hip joint operation, the traditional patient is basically hoisted or medical staff support legs with hands to perform the operation, and when the traditional patient is hoisted, the traditional patient is simpler in structure, low in cost and poor in stability.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a hip arthroscopy operation draw gear, includes the leg layer board, leg layer board lower extreme is provided with angle adjusting mechanism, angle adjusting mechanism includes head rod, rolling ball, arc cover and first thread bush, leg layer board lower extreme left side is fixed with the head rod, and the head rod bottom mounting has the rolling ball, the outside cover all around of rolling ball is equipped with the arc cover, and arc cover top threaded connection has first thread bush, angle adjusting mechanism lower extreme is provided with height adjusting mechanism, and the height adjusting mechanism right-hand member is provided with front and back adjustment mechanism, front and back adjustment mechanism lower extreme is provided with fixed establishment, has brought the multiple position control of being convenient for adopting this kind of design.

Preferably, the height adjusting mechanism comprises a first connecting block, a first hinge rod, a second connecting block, a first threaded rod, a rotating sleeve, a second rotating handle, a second hinge rod, a rotating shaft and a protective baffle, the bottom end of the arc-shaped sleeve is fixed at the top end of the first connecting block, the lower end of the first connecting block is movably connected with two groups of first hinge rods through hinge shafts, the second connecting block is arranged inside the lower end of each of the two groups of first hinge rods, the front end and the rear end of each of the two groups of second connecting blocks are movably connected with the second hinge rod through hinge shafts, the lower end of each of the two groups of first hinge rods and the top end of each of the two groups of second hinge rods are respectively movably connected with the front end and the rear end of each of the two groups of second connecting blocks through hinge shafts, the first threaded rod is in the two groups of second connecting blocks, the rear end of the first threaded rod extends to the, and the front end of the rotating sleeve is movably connected to the rear end of the second connecting block through a bearing, a second rotating handle is fixed to the rear end of the rotating sleeve, and the lower ends of the second hinge rods are provided with rotating shafts in an inserted mode.

Preferably, the front-back adjusting mechanism comprises a third connecting block, a notch, a first clamping block, a fourth connecting block, a first clamping groove, a first bolt, a first bevel gear, a second threaded rod, a second bevel gear, a second threaded sleeve, a fixed clamping plate and a fixed baffle plate, the lower ends of the two groups of second hinged rods extend into the third connecting block, the top end of the third connecting block is provided with the notch, the two groups of front ends of the rotating shaft are respectively fixed at the left end and the right end of the notch, the bottom end of the third connecting block is fixedly provided with the first clamping block, the lower end of the third connecting block is provided with the fourth connecting block, the fourth connecting block is internally provided with the first clamping groove, the first clamping block is clamped in the first clamping groove, the right side of the top end of the third connecting block is movably connected with the first bolt through a bearing, the lower end of the first bolt extends into the third connecting block, and the bottom, both sides have the second threaded rod through bearing swing joint around the third connecting block is inside, and second threaded rod external fixation has second bevel gear, first bevel gear and second bevel gear intermeshing, and both sides threaded connection has the second thread bush around the second threaded rod is outside, and is two sets of second thread bush lower extreme all is fixed with solid fixed splint, and two sets of solid fixed splint lower extreme all extend to the third connecting block bottom outside, and the inside lower extreme of third connecting block is fixed with fixed stop, adopts the regulation of this kind of design about the leg layer board of being convenient for leg layer board position is more suitable.

Preferably, the fixing mechanism comprises a fifth connecting block, a second clamping block and a second clamping groove, an upper clamping plate is fixed on the left side of the lower end of the fourth connecting block, the fifth connecting block is fixed at the lower end of the upper clamping plate, the second clamping groove is formed in the fifth connecting block, a fixing plate is fixed at the lower end of the fifth connecting block, a second bolt is connected to the middle of the fixing plate through threads, the top end of the second bolt penetrates through the fixing plate, the top end of the fixing plate passes through a bearing movably connected lower clamping plate, the second clamping block is fixed at the left end of the lower clamping plate, the second clamping block is mutually clamped with the second clamping groove, and the whole device is fixed by.

Preferably, first thread bush left end is fixed with first handle of rotating, and first handle of rotating is the cuboid design, adopts this kind of design to be convenient for people to rotate first thread bush.

Preferably, a protective baffle is fixed at the front end of the first threaded rod and adopts a cylindrical design, and the design is convenient for playing a certain protective role on the front end of the first threaded rod

Preferably, the diameter of the rotating ball is smaller than the maximum distance inside the arc-shaped sleeve in a normal state, and the diameter of the rotating ball is larger than the maximum distance of the rotating ball in a locking state.

Preferably, the leg supporting plate adopts a circular arc design, the rubber cushion is bonded on the upper surface of the leg supporting plate, and the leg supporting plate is more attached to the leg part by adopting the design, so that the leg part is convenient to pull.

Compared with the prior art, the invention has the beneficial effects that:

the hip arthroscopy operation traction device is provided with a leg supporting plate, a rotating ball, a second rotating handle, a first bolt, a second bolt and a lower clamping plate, when the leg needs to be supported during the hip arthroscopy operation, so that the operation is convenient, the upper clamping plate and the lower clamping plate are firstly placed at the front end of a bed, the second bolt is rotated clockwise, the lower clamping plate and the upper clamping plate are clamped with the bedside, the device is integrally fixed, the first bolt is rotated anticlockwise, the clamping between the fixing clamping plate and a fourth connecting block is released, the position of the leg supporting plate can be adjusted forwards and backwards, the second rotating handle is rotated clockwise, so that a first hinging rod and a second hinging rod rotate around a second connecting block, the leg supporting plate moves upwards to adjust the height, when the angle of the leg supporting plate needs to be adjusted, the first rotating handle is rotated anticlockwise, the abutting between the rotating ball and the rotating plate is released, and the height adjustment can be carried out, the design avoids the problem that when the traditional patient is used for hip joint surgery, the traditional patient is hoisted or the medical staff can hold the leg with hands to perform surgery, the structure is simpler and has low cost, but the stability is poorer, and the traditional patient can only be adjusted up and down basically, the adjustment direction is limited, when the mode of holding the hands by the medical staff is adopted, the operation time is longer, the medical staff needs to hold the leg with hands all the time, the operation is laborious, the labor intensity of the medical staff is increased, after the operation time is longer, the hands of the medical staff can be softened due to the increase of the labor intensity, the holding is unstable, the operation is influenced, the device cannot be directly fixed at the front end of the bed body and can be adjusted in multiple directions according to the actual situation, and the traction device integrated by the multi-direction adjusting structure and the like is used for assistance, so that the device can be directly fixed at the front, the height and the angle of the leg supporting plate are adjusted according to the actual position of the leg of the patient and the operation process, so that the leg supporting plate is positioned at a proper position, the leg is supported to facilitate the operation of coming, the use is convenient and quick, the hand support and hoisting modes are not needed, the workload of medical workers is greatly reduced, the leg supporting plate is placed firmly and stably to facilitate the operation, the leg supporting plate can be used for multiple times, and the practicability and the convenience of the device are greatly improved;

drawings

FIG. 1 is a schematic diagram of a left side top perspective view of the present invention;

FIG. 2 is a schematic bottom view of the present invention;

FIG. 3 is a schematic sectional elevation view of the structure of the present invention;

FIG. 4 is a schematic view of the third connector block of FIG. 3 with the third connector block removed from the front of the third connector block in accordance with the present invention;

FIG. 5 is a schematic right side cross-sectional view of the structure of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of the structure of the second thread insert of FIG. 4 in accordance with the present invention;

FIG. 7 is an enlarged view of the present invention at the location of the retaining splint of FIG. 2;

FIG. 8 is an enlarged view of the invention at the fixed stop of FIG. 3;

fig. 9 is an enlarged view of the structure at D in fig. 5 according to the present invention.

In the figure: 1. a leg rest; 2. an angle adjusting mechanism; 21. a first connecting rod; 22. rotating the ball; 23. an arc-shaped sleeve; 24. a first threaded sleeve; 25. a first rotating handle; 3. a height adjustment mechanism; 31. a first connection block; 32. a first hinge lever; 33. a second connecting block; 34. a first threaded rod; 35. rotating the sleeve; 36. a second rotating handle; 37. a second hinge lever; 38. a rotating shaft; 39. a protective baffle; 4. a front-rear adjusting mechanism; 41. a third connecting block; 42. a notch; 43. a first clamping block; 44. a fourth connecting block; 45. a first card slot; 46. a first bolt; 47. a first bevel gear; 48. a second threaded rod; 49. a second bevel gear; 410. a second threaded sleeve; 411. fixing the clamping plate; 412. fixing a baffle plate; 5. a fixing mechanism; 51. a fifth connecting block; 52. an upper splint; 53. a fixing plate; 54. a second bolt; 55. a lower splint; 56. a second fixture block; 57. and a second card slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, an embodiment of the present invention is shown: a hip arthroscopy operation traction device comprises a leg supporting plate 1, an angle adjusting mechanism 2 is arranged at the lower end of the leg supporting plate 1, the angle adjusting mechanism 2 comprises a first connecting rod 21, a rotating ball 22, an arc-shaped sleeve 23 and a first thread sleeve 24, the left side of the lower end of the leg supporting plate 1 is fixed with the first connecting rod 21, and the bottom end of the first connecting rod 21 is fixed with a rotating ball 22, the periphery of the outer part of the rotating ball 22 is sleeved with an arc-shaped sleeve 23, and the top end of the arc-shaped sleeve 23 is connected with a first threaded sleeve 24 in a threaded manner, the lower end of the angle adjusting mechanism 2 is provided with a height adjusting mechanism 3, and the right end of the height adjusting mechanism 3 is provided with a front and back adjusting mechanism 4, the lower end of the front and back adjusting mechanism 4 is provided with a fixing mechanism 5, the adoption of the design is convenient for the multi-directional adjustment of the position of the leg supporting plate 1, the position of the leg supporting plate 1 can be adjusted when the leg traction device is used, the leg supporting plate 1 is enabled to reach a proper position, and the leg is enabled to be pulled more conveniently and rapidly when the leg traction device is used.

As shown in fig. 1, fig. 3, fig. 4, fig. 5, fig. 7 and fig. 8, the height adjusting mechanism 3 includes a first connecting block 31, a first hinge rod 32, a second connecting block 33, a first threaded rod 34, a rotating sleeve 35, a second rotating handle 36, a second hinge rod 37, a rotating shaft 38 and a protective baffle 39, the bottom end of the arc-shaped sleeve 23 is fixed on the top end of the first connecting block 31, the lower end of the first connecting block 31 is movably connected with two groups of first hinge rods 32 through hinge shafts, the lower ends of the two groups of first hinge rods 32 are internally provided with the second connecting blocks 33, the front and rear ends of the two groups of second connecting blocks 33 are movably connected with the second hinge rods 37 through hinge shafts, the lower ends of the two groups of first hinge rods 32 and the top ends of the two groups of second hinge rods 37 are respectively movably connected with the front and rear ends of the two groups of second connecting blocks 33 through hinge shafts, the first threaded, and first threaded rod 34 rear end extends to the second connecting block 33 rear end outside, the outside cover in first threaded rod 34 rear end is established and is rotated cover 35, and rotate cover 35 front end and pass through bearing swing joint in second connecting block 33 rear end, it is fixed with second rotation handle 36 to rotate cover 35 rear end, two sets of second articulated rod 37 lower extremes all insert and are equipped with pivot 38, adopt this kind of design to bring and to adjust the height of leg layer board 1, only need rotate second rotation handle 36 and can accomplish the regulation, adjust at any time during convenient to use.

As shown in fig. 1, fig. 4, fig. 5 and fig. 6, the front-back adjusting mechanism 4 includes a third connecting block 41, a notch 42, a first clamping block 43, a fourth connecting block 44, a first clamping groove 45, a first bolt 46, a first bevel gear 47, a second threaded rod 48, a second bevel gear 49, a second threaded sleeve 410, a fixed clamp plate 411 and a fixed baffle 412, the lower ends of two sets of second hinged rods 37 extend into the third connecting block 41, the top end of the third connecting block 41 is provided with the notch 42, the front ends of two sets of rotating shafts 38 are respectively fixed at the left and right ends of the notch 42, the bottom end of the third connecting block 41 is fixed with the first clamping block 43, the lower end of the third connecting block 41 is provided with the fourth connecting block 44, the fourth connecting block 44 is provided with the first clamping groove 45, the first clamping block 43 is clamped in the first clamping groove 45, and the right side of the top end of the third connecting block 41 is, inside first bolt 46 lower extreme extends to third connecting block 41, and first bolt 46 bottom mounting has first conical gear 47, there is second threaded rod 48 inside front and back both sides of third connecting block 41 through bearing swing joint, and second threaded rod 48 external fixation has second conical gear 49, first conical gear 47 and second conical gear 49 intermeshing, and outside front and back both sides threaded connection of second threaded rod 48 has second thread bush 410, two sets of second thread bush 410 lower extremes all are fixed with solid fixed splint 411, two sets of solid fixed splint 411 lower extremes all extend to third connecting block 41 bottom outside, and the inside lower extreme of third connecting block 41 is fixed with fixed stop 412, adopt this kind of design to bring and to go on the position about leg layer board 1, further increase the diversification of adjustment mode, it is more convenient when making the device use.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the fixing mechanism 5 includes a fifth connecting block 51, a second clamping block 56 and a second clamping groove 57, an upper clamp 52 is fixed on the left side of the lower end of the fourth connecting block 44, the fifth connecting block 51 is fixed on the lower end of the upper clamp 52, a second clamping groove 57 is formed in the fifth connecting block 51, a fixing plate 53 is fixed on the lower end of the fifth connecting block 51, a second bolt 54 is connected to the middle of the fixing plate 53 in a threaded manner, the top end of the second bolt 54 penetrates through the fixing plate 53, the top end of the fixing plate 53 is movably connected to a lower clamp 55 through a bearing, the second clamping block 56 is fixed on the left end of the lower clamp 55, and the second clamping block 56 is clamped with the second clamping groove 57, so that the device can be installed and removed, or the bed body is replaced, thereby being convenient for use.

First thread bush 24 left end is fixed with first handle 25 that rotates, and first handle 25 that rotates is cylindrical design, adopts this kind of design to be convenient for people to rotate first thread bush 24 for first thread bush 24 is more convenient when rotating, and easily rotates.

First threaded rod 34 front end is fixed with protection baffle 39, and protection baffle 39 adopts cylindrical design, adopts this kind of design to prevent people when using, plays the guard action to the front end of first threaded rod 34, avoids people to collide first threaded rod 34 front end and brings the injury to the human body.

The diameter size of the rotating ball 22 is smaller than the maximum distance size of the inner part of the arc-shaped sleeve 23 in a normal state, and the diameter size of the rotating ball 22 is larger than the maximum distance size of the rotating ball 22 in a locking state.

Leg layer board 1 adopts convex design, and 1 upper surface bonds of leg layer board has the rubber cushion, adopts this kind of design to make the patient put the shank on leg layer board 1, and the leg layer board 1 of laminating more, and the rubber cushion makes the shank place more comfortablely.

The working principle is as follows: when the leg needs to be supported by using the traction device for hip arthroscopy operation, the upper clamping plate 52 and the lower clamping plate 55 are firstly clamped at a proper position on the edge of the front end of the window, the second bolt 54 is rotated clockwise, the second bolt 54 moves upwards when the second bolt 54 is rotated, the lower clamping plate 55 is driven to move upwards when the second bolt 54 moves upwards, the lower clamping plate 55 only moves upwards due to the mutual clamping of the second clamping block 56 and the second clamping groove 57, the rotation can be stopped when the top end of the lower clamping plate 55 is abutted against the bottom end of the bed body, the fixation of the device is completed, when the left-right adjustment of the leg supporting plate 1 needs to be carried out, the first bolt 46 is rotated anticlockwise firstly, when the first bolt 46 is rotated, the first bevel gear 47 is driven to rotate together, when the first bevel gear 47 is rotated, the second bevel gear 49 is driven to rotate together, when the second bevel gear 49 is rotated, the second threaded rod 48 is driven to rotate, when the second threaded rod 48 rotates, the two sets of second threaded sleeves 410 are driven to move towards one end far away from the second bevel gear 49, when the second threaded sleeves 410 move towards one end far away from the second bevel gear 49, the fixed clamping plates 411 are driven to move together, the abutting between the two sets of fixed clamping plates 411 and the fourth connecting block 44 can be simultaneously released, the third connecting block 41 is pushed rightwards, the leg supporting plate 1 can be driven to move rightwards, when the leg supporting plate 1 reaches a proper position, the first bolt 46 is rotated clockwise, the two sets of second threaded sleeves 410 move towards one end close to the second bevel gear 49, the two sets of fixed clamping plates 411 and the fourth connecting block 44 can be driven to be restored to abut again, the left-right adjustment is completed, when the height of the leg supporting plate 1 needs to be adjusted, the second rotating handle 36 only needs to be rotated clockwise, when the second rotating handle 36 rotates, the two sets of second connecting blocks 33 can be driven to approach each, thereby enabling the upper ends of the two groups of first hinged rods 32 to rotate around the bottom end of the first connecting block 31, enabling the bottom ends of the two groups of second hinged rods 37 to rotate around the rotating shaft 38 while the two groups of second connecting blocks 33 rotate, thereby enabling the leg supporting plate 1 to move upwards, when the height of the leg supporting plate 1 needs to be reduced, only needing to rotate the second rotating handle 36 anticlockwise to enable the two groups of second connecting blocks 33 to be away from each other, thereby enabling the height of the leg supporting plate 1 to be reduced, when the height of the leg supporting plate 1 is proper, the rotation can be stopped, the height of the leg supporting plate 1 is adjusted, when the angle of the leg supporting plate 1 needs to be adjusted, firstly rotating the first rotating handle 25 anticlockwise to rotate the first threaded sleeve 24 together, enabling the arc sleeve 23 to restore the deformation, releasing the butt joint between the outer wall of the rotating ball 22 and the inner wall of the arc sleeve 23, the rotating ball 22 can rotate in the first threaded sleeve, drive the turning ball 22 and rotate together, rotate first thread bush 24 clockwise when the angle is suitable for first thread bush 24 takes place deformation and resumes with the butt of turning ball 22, can accomplish the angle modulation of leg layer board 1, places the shank and can accomplish the shank and support above leg layer board 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A traction device for hip arthroscopy, comprising a leg support plate (1), characterized in that: the lower end of the leg support plate (1) is provided with an angle adjustment mechanism (2), and the angle adjustment mechanism (2) comprises a first connecting rod (21), a rotating ball (22), an arc-shaped sleeve (23) and a first threaded sleeve (24), a first connecting rod (21) is fixed on the left side of the lower end of the leg support plate (1), A rotating ball (22) is fixed at the bottom end of the first connecting rod (21), an arc-shaped sleeve (23) is sleeved around the outside of the rotating ball (22), and the top of the arc-shaped sleeve (23) is threadedly connected with a first A threaded sleeve (24), the lower end of the angle adjustment mechanism (2) is provided with a height adjustment mechanism (3), and the right end of the height adjustment mechanism (3) is provided with a front and rear adjustment mechanism (4), the lower end of the front and rear adjustment mechanism (4) A fixing mechanism (5) is provided.

2. A hip arthroscopy traction device according to claim 1, characterized in that: the height adjustment mechanism (3) comprises a first connection block (31), a first hinge rod (32), a second connection A block (33), a first threaded rod (34), a rotating sleeve (35), a second rotating handle (36), a second hinge rod (37), a rotating shaft (38) and a protective baffle (39), the arc The bottom end of the shaped sleeve (23) is fixed on the top end of the first connecting block (31), and the lower ends of the first connecting block (31) are movably connected with two sets of first hinge rods (32) through the hinge shaft. A second connecting block (33) is arranged inside the lower end of the hinge rod (32), and the front and rear ends of the two sets of second connecting blocks (33) are movably connected to the second hinge rod (37) through a hinge shaft. The lower end of the first hinge rod (32) and the top ends of the two sets of second hinge rods (37) are respectively movably connected to the front and rear ends of the two sets of second connecting blocks (33) through hinge shafts, and the two sets of second connecting blocks (33) A first threaded rod (34) is internally threadedly connected, and the rear end of the first threaded rod (34) extends to the outside of the rear end of the second connecting block (33), and the rear end of the first threaded rod (34) is sleeved and rotated outside A sleeve (35), and the front end of the rotating sleeve (35) is movably connected to the rear end of the second connecting block (33) through a bearing, and a second rotating handle (36) is fixed at the rear end of the rotating sleeve (35). A rotating shaft (38) is inserted into the lower ends of the second hinge rods (37).

3. A hip arthroscopy traction device according to claim 2, characterized in that: the front and rear adjustment mechanism (4) comprises a third connecting block (41), a notch (42), a first clamping block ( 43), fourth connecting block (44), first slot (45), first bolt (46), first bevel gear (47), second threaded rod (48), second bevel gear (49) ), a second threaded sleeve (410), a fixed splint (411) and a fixed baffle plate (412), the lower ends of the two sets of second hinge rods (37) both extend to the inside of the third connecting block (41), and the third The top end of the connecting block (41) is provided with a notch (42), the front ends of the two sets of rotating shafts (38) are respectively fixed on the left and right ends of the notch (42), and the bottom end of the third connecting block (41) is fixed with a notch (42). A first clamping block (43), a fourth connection block (44) is provided at the lower end of the third connection block (41), and a first clamping slot (45) is opened inside the fourth connection block (44), and the fourth connection block (44) is provided with a first clamping slot (45). A clamping block (43) is engaged in the first clamping groove (45), and the top right side of the third connecting block (41) is movably connected with a first bolt (46) through a bearing, and the lower end of the first bolt (46) It extends to the inside of the third connecting block (41), and the bottom end of the first bolt (46) is fixed with a first bevel gear (47). Two threaded rods (48), and a second bevel gear (49) is fixed outside the second threaded rod (48), the first bevel gear (47) and the second bevel gear (49) are meshed with each other, and Second threaded sleeves (410) are threadedly connected to the front and rear sides of the second threaded rod (48). The lower ends of the two sets of second threaded sleeves (410) are both fixed with fixed splints (411), and two sets of fixed splints (411) The lower ends all extend to the outside of the bottom end of the third connection block (41), and a fixed baffle plate (412) is fixed at the inner lower end of the third connection block (41).

The traction device for hip arthroscopy according to claim 3, characterized in that: the fixing mechanism (5) comprises a fifth connecting block (51), a fifth connecting block (51), and a fifth connecting block (51), a fifth connecting block (51), a fifth connecting block (51), a second locking block (56) and a second locking slot (57), the fourth connecting block (44) is fixed on the left side of the lower end The upper splint (52), and the lower end of the upper splint (52) is fixed with a fifth connecting block (51), the fifth connecting block (51) is provided with a second slot (57) inside, and the fifth connecting block (51) ) lower end is fixed with a fixing plate (53), the middle of the fixing plate (53) is screwed with a second bolt (54), the top of the second bolt (54) penetrates the fixing plate (53), and the fixing plate (53) The top end is movably connected to the lower splint (55) through a bearing, the left end of the lower splint (55) is fixed with a second clamping block (56), and the second clamping block (56) and the second clamping groove (57) are mutually engaged.

The traction device for hip arthroscopy according to claim 1, characterized in that: the left end of the first threaded sleeve (24) is fixed with a first rotating handle (25), and the first rotating handle (25) Bit cuboid design.

6 . The traction device for hip arthroscopy according to claim 3 , wherein a protective baffle ( 39 ) is fixed at the front end of the first threaded rod ( 34 ), and the protective baffle ( 39 ) adopts a cylindrical shape. 7 . shape design.

7. A hip arthroscopy traction device according to claim 1, characterized in that: the diameter of the rotating ball (22) is smaller than the maximum distance inside the arc sleeve (23) in a normal state, and the rotating ball The diameter of (22) is larger than the maximum distance of the rotating ball (22) in the locked state.

8. The traction device for hip arthroscopy according to claim 1, characterized in that: the leg support plate (1) adopts a circular arc design, and the upper surface of the leg support plate (1) is bonded with a rubber soft plate. pad.