CN214908327U

CN214908327U - Knee arthroscope meniscus traction device

Info

Publication number: CN214908327U
Application number: CN202120186161.XU
Authority: CN
Inventors: 张明涛; 韵向东; 杨智涛; 刘涛; 张柏荣
Original assignee: Lanzhou University
Current assignee: Lanzhou University
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-30
Anticipated expiration: 2031-01-22

Abstract

The knee arthroscope meniscus traction device effectively solves the problems that the knee joint of a patient is inconvenient to be stably drawn and the workload of medical staff is large; the support plate comprises a left-right-direction and L-shaped base, a T-shaped support plate is hinged to the upper side of the base, a U-shaped auxiliary seat is arranged on the right side of the support plate, an inverted U-shaped connecting plate is connected in the auxiliary seat in a sliding manner, a rectangular block located in the connecting plate is connected in the auxiliary seat in a sliding manner, a chute which is through from front to back and is high and low from left to right is formed in the rectangular block, a guide rod which is axial in front and back and is in sliding connection with the chute is arranged in the connecting plate, a rectangular groove is formed in the left side of the base, an arc-shaped plate is rotatably connected in the rectangular groove through a left-right-axial rotating shaft, the left end of the support plate extends into the rectangular groove and is provided with an arc-shaped guide rail with an arc opening facing left, a pushing block located in the arc-shaped guide rail is arranged at the free end of the arc-shaped plate, and placing blocks with the arc openings facing upwards are arranged on the upper sides of the base and the connecting plate; the structure is simple, the operation is convenient, the conception is novel, and the practicability is strong.

Description

Knee arthroscope meniscus traction device

Technical Field

The utility model relates to the technical field of orthopedic auxiliary instruments, in particular to a knee arthroscope meniscus traction device.

Background

Meniscus damage is the clinical common disease of orthopedics, generally carry out joint repair under the arthroscope, take shape or excision treatment, and the key of operation just lets the meniscus fully expose under the art field, and generally carry out the tractive to patient knee joint department along opposite direction application of force on patient thigh and shank through two medical personnel at present clinically, not only to patient knee joint department tractive unstability, inconvenient operation, also be convenient for adjust the angle of patient knee joint department, medical personnel's work burden has also been increased simultaneously, still occupy operating space, medical personnel's operation efficiency has been influenced.

SUMMERY OF THE UTILITY MODEL

To the situation, in order to compensate for the deficiencies of the prior art, the utility model aims at providing a knee arthroscope meniscus traction device, the effectual inconvenient stable tractive of patient knee joint department of having solved reaches the problem that medical personnel work load is big.

The technical scheme of its solution is, the utility model discloses a base of direction and L shape about, the base upside articulates there is the backup pad of T shape, the backup pad right side is equipped with the auxiliary seat of U-shaped, sliding connection has the connecting plate of the shape of falling U in the auxiliary seat, sliding connection has the rectangular block that is located the connecting plate in the auxiliary seat, link up and the chute that the side is low from top to bottom around having seted up on the rectangular block, axial and with chute sliding connection's guide bar around being equipped with in the connecting plate, the rectangular channel has been seted up in the base left side, the axial pivot is rotated about in the rectangular channel and is connected with the arc, the backup pad left end stretches into the rectangular channel and is equipped with the arc guide rail that the arc mouth faces left, the arc free end is equipped with the ejector pad that is located the arc guide rail, base and connecting plate upside all are equipped with the ascending piece of placing of arc mouth.

Compared with the prior art, the beneficial effects of the utility model are that: through the piece of placing that sets up, fixed band and silica gel cushion, not only be convenient for part fixedly to patient's thigh and shank, the comfort level of patient's shank also is convenient for improve, the rectangle piece that is equipped with, the chute, connecting plate and lead screw, not only be convenient for drive the reciprocating of the piece of placing on right side, be convenient for adjust the angle of patient knee joint department, also be convenient for fully run short of patient's meniscus, the arc guide rail that is equipped with, the arc, ejector pad and backup pad, not only be convenient for drive patient's shank through the backup pad inwards or outside tractive, fully run short of life short of leaking the meniscus of patient knee joint department inside and outside, the medical personnel of also being convenient for operate to the patient, medical personnel's work burden has been alleviateed simultaneously, the steam generator is simple in structure, and convenient in operation, the design is novel, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is an isometric view of the present invention.

Fig. 2 is a perspective view of the utility model.

Fig. 3 is the utility model discloses a ladder cuts open left side and looks axonometric drawing.

Fig. 4 is a full-section right perspective view diagram of the utility model.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

By figure 1 to 4 and give, base 1 including left right direction and L shape, 1 upside of base articulates there is the backup pad 2 of T shape, 2 right sides of backup pad are equipped with the auxiliary seat 3 of U-shaped, 3 sliding connection in the auxiliary seat has the connecting plate 4 of the shape of falling the U, 3 sliding connection in the auxiliary seat has the rectangular block 5 that is located connecting plate 4, link up and the chute 6 of height about and around having seted up on the rectangular block 5, axial and with chute 6 sliding connection's guide bar 7 around being equipped with in the connecting plate 4, rectangular channel 8 has been seted up in the base 1 left side, axial pivot 9 rotates about in the rectangular channel 8 and is connected with

arc

10, 2 left ends of backup pad stretch into in the rectangular channel 8 and are equipped with arc towards the arc guide rail 11 on a left side, arc 10 free end is equipped with the ejector pad 12 that is located arc guide rail 11,

base

1 and 4 upside of connecting plate all are equipped with arc and place piece 13 towards the upper.

For the convenience of the horizontal sliding of the rectangular block 5, the auxiliary seat 3 is internally provided with a left-right direction and a chute 14 with an upward opening, the lower side of the auxiliary seat 3 is connected with the chute 14 in a sliding manner through a sliding block 15, the chute 14 is rotationally connected with a left-right axial lead screw 16, the lead screw 16 penetrates through the sliding block 15 and is in threaded connection with the sliding block 15, and the right end of the lead screw 16 penetrates through the auxiliary seat 3 and is coaxially provided with a turntable.

In order to facilitate the rotation of the arc-shaped plate 10, a worm wheel 17 is coaxially arranged on the rotating shaft 9, a worm 18 meshed with the worm wheel 17 is rotatably connected in the rectangular groove 8, and the front end of the worm 18 penetrates through the base 1 and is coaxially provided with a knob 19.

In order to facilitate the forward and backward swinging of the support plate 2, the base 1 is provided with a yielding groove 20 which is communicated with the rectangular groove 8 and has an opening facing the right, and the support plate 2 is positioned in the yielding groove 20.

In order to fix the legs of the patient, the front side and the rear side of the placing block 13 are respectively provided with a fixing band 21, the free end of the fixing band 21 is provided with a magic tape 22, and the two magic tapes 22 on the same placing block 13 can be mutually bonded.

In order to improve the comfort of the patient, a silica gel cushion 23 with the same shape is arranged in the placing block 13.

When the utility model is used, firstly, the thigh and the shank of a patient are respectively placed in the placing block 13 on the corresponding side, then the fixing band 21 is wound on the leg of the patient, after the degree of tightness is adjusted, the two magic tapes 22 are bonded together, so that the leg of the patient is stably fixed in the placing block 13, and the silica gel cushion 23 is arranged, so that the leg of the patient is conveniently protected, and the comfort level of the patient is improved;

when the angle of the knee joint of the patient needs to be adjusted, firstly, the turntable is rotated, the turntable drives the rectangular block 5 to slide leftwards or rightwards along the sliding groove 14 through the lead screw 16 and the sliding block 15, the rectangular block 5 drives the guide rod 7 to slide upwards or downwards along the chute 6, the guide rod 7 drives the placing block 13 to move upwards or downwards along the auxiliary seat 3 through the connecting plate 4, the placing block 13 is driven to drive the shank of the patient to swing upwards or downwards, after the angle of the knee joint is adjusted, the turntable is not rotated any more, the threaded connection has certain self-locking performance, the arc-shaped block on the right side can be positioned at a stable position, the angle of the knee joint of the patient can be conveniently kept, and medical staff can perform surgical treatment on the patient conveniently;

when a meniscus on the inner side of a patient needs to be operated, firstly, the knob 19 is rotated to drive the worm 18 to rotate, the worm 18 drives the rotating shaft 9 to rotate through the meshed worm wheel 17, the rotating shaft 9 drives the arc-shaped plate 10 to rotate clockwise, when the free end of the arc-shaped plate 10 rotates from the lowest side to the foremost side, the arc-shaped plate 10 drives the arc-shaped guide rail 11 to swing forwards along the rectangular groove 8 through the push block 12, the arc-shaped guide rail 11 drives the left end of the support plate 2 to swing forwards to promote the right end of the support plate 2 to swing backwards, the right end of the support plate 2 drives the shank of the patient to swing backwards for a certain angle through the auxiliary seat 3 and the placing block 13, after adjustment is finished, the knob 19 is not rotated any more, and the worm wheel 17 and worm 18 structure has a certain self-locking property, so that the shank of the patient can be in a stable position, and medical staff can conveniently perform operation treatment on the semicircular plate on the inner side of the knee joint of the patient;

when needing to perform the operation to the meniscus in the patient outside, at first rotate knob 19 and drive worm 18 and rotate, worm 18 drives pivot 9 through meshed worm wheel 17 and rotates, pivot 9 drives arc 10 clockwise, when the free end of arc 10 rotated to the rearmost side by foremost, arc 10 drives arc guide 11 along the 8 backswing of rectangular channel through ejector pad 12, arc guide 11 drives the left end of backup pad 2 and swings backward, make the right-hand member of backup pad 2 swing forward, backup pad 2 right-hand member swings certain angle forward through supplementary seat 3 and place the shank that the piece 13 drove the patient, fully expose the meniscus in the outside, be convenient for medical personnel carry out the operation treatment to the patient, to patient's meniscus operation after finishing, remove adhesive state with two magic subsides 22, no longer fix patient's shank in placing piece 13.

Claims

1. Knee arthroscope meniscus traction device comprises a left-right-direction and L-shaped base (1), and is characterized in that a T-shaped supporting plate (2) is hinged to the upper side of the base (1), a U-shaped auxiliary seat (3) is arranged on the right side of the supporting plate (2), an inverted U-shaped connecting plate (4) is connected in the auxiliary seat (3) in a sliding manner, a rectangular block (5) located in the connecting plate (4) is connected in the auxiliary seat (3) in the sliding manner, a chute (6) which is through from front to back and is high and low from left to right is formed in the rectangular block (5), a guide rod (7) which is axial from front to back and is connected with the chute (6) in a sliding manner is arranged in the connecting plate (4), a rectangular groove (8) is formed in the left side of the base (1), an arc-shaped plate (10) is connected in the rectangular groove (8) in a rotating manner through a left-right axial rotating shaft (9), the left end of the supporting plate (2) extends into the rectangular groove (8) and is provided with an arc-shaped guide rail (11) with an arc opening facing left, the free end of the arc-shaped plate (10) is provided with a push block (12) positioned in the arc-shaped guide rail (11), and the upper sides of the base (1) and the connecting plate (4) are respectively provided with a placing block (13) with an upward arc opening.

2. The knee arthroscope meniscus traction device according to claim 1, wherein a sliding groove (14) with an upward opening and a left-right direction is formed in the auxiliary seat (3), the lower side of the auxiliary seat (3) is connected with the sliding groove (14) in a sliding manner through a sliding block (15), a left-right axial lead screw (16) is connected in the sliding groove (14) in a rotating manner, the lead screw (16) penetrates through the sliding block (15) and is connected with the sliding block (15) in a threaded manner, and a rotating disc is coaxially arranged at the right end of the lead screw (16) and penetrates through the auxiliary seat (3).

3. The knee arthroscope meniscus traction device according to claim 1, wherein the rotating shaft (9) is coaxially provided with a worm wheel (17), the rectangular groove (8) is rotatably connected with a worm (18) engaged with the worm wheel (17), and the front end of the worm (18) penetrates through the base (1) and is coaxially provided with a knob (19).

4. The knee arthroscope meniscus traction device according to claim 1, wherein the base (1) is provided with an abdicating groove (20) which is communicated with the rectangular groove (8) and has an opening facing to the right, and the support plate (2) is positioned in the abdicating groove (20).

5. The knee arthroscope meniscus traction device according to claim 1, wherein the front side and the rear side of the placing block (13) are respectively provided with a fixing belt (21), the free end of the fixing belt (21) is provided with a magic tape (22), and two magic tapes (22) on the same placing block (13) can be mutually bonded.

6. Knee arthroscopic meniscus pulling device according to claim 1, characterised in that the placing block (13) is internally provided with a silicone cushion (23) conforming to the shape thereof.