CN213372425U

CN213372425U - Orthopedic steel wire guider

Info

Publication number: CN213372425U
Application number: CN202021036861.2U
Authority: CN
Inventors: 涂益鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-08
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses an orthopedic steel wire guider, which comprises a U-shaped support and a traction rod, wherein the U-shaped support comprises a left support arm, a right support arm and a connecting rod, one side of the left support arm is provided with a hook, the right support arm is provided with a clamping groove with the same opening direction as the U-shaped support, the right end of the traction rod is used for being connected with an external traction steel wire, the left end of the traction rod is provided with a hanging part, and the middle part of the traction rod is movably clamped in the clamping groove; when the novel bone block binding tool is used, one end of the steel wire is connected with the right end of the traction rod, the U-shaped support pushes the steel wire towards the direction of the crushed bone blocks, the hanging part is separated from the hook, the crushed bone blocks slide into the U-shaped support from the gap between the hanging part and the hook, when the hanging part is hung and buckled with the hook, the U-shaped support pulls the crushed bone blocks towards the direction far away, the crushed bone blocks push the traction rod to be separated from the clamping groove, the traction rod pulls the steel wire to be wound outside the crushed bone blocks, the crushed bone blocks are bound, the traction rod pulls the steel wire to move, even if the steel wire is flexible, the movement of the.

Description

Orthopedic steel wire guider

Technical Field

The utility model relates to a medical instrument for orthopedics, especially an orthopedics steel wire guide ware.

Background

Patent No. 201020613253.3 discloses an orthopedic minimally invasive wire guide. Fig. 1 is a schematic view of an orthopedic minimally invasive steel wire guider, wherein a left handle and a right handle are movably connected through a clamping shaft 54, an arc-shaped steel wire conduit 53 is installed on each handle, and the head ends of the steel wire conduits 53 are telescopically inosculated; and the handle is also provided with a clamping piece and an oval ferrule. When in use, the head parts of the left and the right handles are respectively provided with a steel wire conduit 53; through a small skin incision, the left handle 52 and the right handle 51 are respectively placed in the two sides tightly attached to the bone surface, then the two handles are connected through the buckling of the clamping shaft 544, the two handles are tightly held, and the head ends of the two catheters 53 are butted. The steel wire is led in from the opening at the tail end of the steel wire conduit 53 at one side, the steel wire is led out from the opening at the tail end of the conduit at the other side after passing through the two conduits 53, and then the handle is taken out. Since the steel wire is flexible, it is difficult to pass through the steel wire guide 53 during use, which causes inconvenience in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of the prior art and providing an orthopedic steel wire guider.

The utility model discloses a technical scheme:

an orthopedic steel wire guider is used for bundling steel wires around crushed bone pieces and comprises a U-shaped support and a traction rod, wherein the U-shaped support comprises a left support arm, a right support arm and a connecting rod for connecting the left support arm and the right support arm, one side of the left support arm, which is close to the right support arm, is provided with a hook, the right support arm is provided with a clamping groove which has the same opening direction as the U-shaped support, the right end of the traction rod is used for being connected with an external traction steel wire, the left end of the traction rod is provided with a hanging part which is mutually hung with the hook, and the middle part of the traction rod is movably clamped in the clamping groove and can be separated from;

when the U-shaped support is pushed towards the direction of the crushed bone blocks, the crushed bone blocks push the left end of the traction rod to rotate anticlockwise, the hanging part is separated from the hook at the moment, the crushed bone blocks slide into the U-shaped support from a gap between the hanging part and the hook, the traction rod rotates clockwise under the action of self restoring force, the hanging part is hung and buckled with the hook, and when the U-shaped support is pulled towards the direction of keeping away from the crushed bone blocks, the crushed bone blocks push the traction rod to be separated from the clamping groove.

One preferred scheme is that one side of the right supporting arm far away from the left supporting arm is provided with a steel wire guide hole, and the steel wire penetrates through the steel wire guide hole and then is connected with the right end of the traction rod.

One preferred scheme is that the clamping groove comprises an upper arc-shaped clamping piece and a lower arc-shaped clamping piece, one side of the upper arc-shaped clamping piece is fixedly connected with one side of the lower arc-shaped clamping piece, and a clamping opening is formed between the other side of the upper arc-shaped clamping piece and the other side of the lower arc-shaped clamping piece.

A preferable scheme is that a steel wire threading hole is formed in the right end of the traction rod.

A preferable scheme is that the hanging part is a hanging rod, and the hanging rod is perpendicular to the traction rod.

A preferred scheme is that the connecting rod is provided with a handle towards the opening direction far away from the U-shaped bracket.

The left support arm is of a block structure, the right support arm is of a sheet structure, and the clamping groove is formed in the bottom of the right support arm and is opposite to the hook.

Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: when the novel bone block bundling device is used, one end of the steel wire is connected with the right end of the traction rod, the U-shaped support pushes the traction rod towards the direction of the crushed bone blocks, the crushed bone blocks push the left end of the traction rod to rotate in the anticlockwise direction, the hanging part is separated from the hook at the moment, the crushed bone blocks slide into the U-shaped support from the gap between the hanging part and the hook, the traction rod rotates clockwise under the action of self restoring force, when the hanging part is hung and buckled with the hook, the U-shaped support pulls towards the direction away from the crushed bone blocks, the crushed bone blocks push the traction rod to separate from the clamping groove, when the U-shaped support continues to pull towards the direction away from the crushed bone blocks, the traction rod pulls the steel wire to be wound outside the crushed bone blocks, bundling of the crushed bone blocks is realized, and the traction.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a prior art orthopedic minimally invasive wire guide;

FIG. 2 is a first usage state diagram of the present invention;

FIG. 3 is a second usage state diagram of the present invention;

FIG. 4 is a third view of the usage state of the present invention;

FIG. 5 is a fourth view of the usage state of the present invention;

FIG. 6 is a fifth view of the usage state of the present invention;

fig. 7 is a sixth usage state diagram of the present invention;

fig. 8 is a schematic view of the U-shaped bracket of the present invention.

Detailed Description

For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 2 to 8, an orthopedic steel wire guider for bundling steel wires 10 around comminuted bone pieces 11 comprises a U-shaped support 20 and a draw bar 30, wherein the U-shaped support 20 comprises a left support arm 21, a right support arm 22, and a connecting rod 23 connecting the left support arm 21 and the right support arm 22, one side of the left support arm 21 close to the right support arm 22 is provided with a hook 211, the right support arm 22 is provided with a clamping groove 221 having the same opening direction as the U-shaped support 20, the right end of the draw bar 30 is used for connecting with an external draw steel wire 10, the left end is provided with a hanging part 31 hanging with the hook 211, the middle part of the draw bar 30 is movably clamped in the clamping groove 221 and can be separated from the clamping groove 221 under the action of external force;

as shown in fig. 2 to 8, when the U-shaped bracket 20 is pushed toward the crushed bone pieces 11, the crushed bone pieces 11 push the left end of the drawbar 30 to rotate counterclockwise, at this time, the hanging part 31 is separated from the hook 211, the crushed bone pieces 11 slide into the U-shaped bracket 20 from the gap between the hanging part 31 and the hook 211, the drawbar 30 rotates clockwise under the action of self-restoring force, so that the hanging part 31 is hung on the hook 211, and when the U-shaped bracket 20 is pulled toward the direction away from the crushed bone pieces 11, the crushed bone pieces 11 push the drawbar 30 to separate from the clamping groove 221.

As shown in fig. 2 to 8, when in use, one end of the steel wire 10 is connected with the right end of the drawbar 30, the U-shaped bracket 20 pushes the crushed bone pieces 11, the crushed bone pieces 11 push the left end of the drawbar 30 to rotate anticlockwise, at this time, the hanging part 31 is separated from the hook 211, the crushed bone pieces 11 slide into the U-shaped bracket 20 from the gap between the hanging part 31 and the hook 211, the drawbar 30 rotates clockwise under the action of self-restoring force, when the hanging part 31 is hung and buckled with the hook 211, the U-shaped bracket 20 pulls towards the direction far away from the crushed bone pieces 11, the crushed bone pieces 11 push the drawbar 30 to separate from the clamping groove 221, when the U-shaped bracket 20 continues to pull towards the direction far away from the crushed bone pieces 11, the drawbar 30 pulls the steel wire 10 to wind around the crushed bone pieces 11, so as to realize the bundling of the crushed bone pieces 11, because the drawbar 30 pulls the steel wire 10 to move, the steel wire 10 does, the use is convenient and fast.

As shown in fig. 2 to 8, a wire guide hole 223 is formed in a side of the right support arm 22 away from the left support arm 21, and the wire 10 is connected to the right end of the drawbar 30 after passing through the wire guide hole 223. The wire guide hole 223 guides the wire 10, and the wire 10 moves along the wire guide hole 223.

As shown in fig. 2 to 8, the clamping groove 221 includes an upper arc-shaped clamping piece (not labeled) and a lower arc-shaped clamping piece 222, one side of the upper arc-shaped clamping piece is fixedly connected with one side of the lower arc-shaped clamping piece 222, and a clamping opening 224 is formed between the other side of the upper arc-shaped clamping piece and the other side of the lower arc-shaped clamping piece 222. The width of the clamping opening 224 is slightly smaller than the diameter of the traction rod 30, and when the traction rod 30 is pushed towards the opening direction of the U-shaped bracket 20, the traction rod 30 slides out of the clamping opening 224 and is separated from the clamping groove 221; when the drawbar 30 is pushed in the opposite direction to the opening of the U-shaped bracket 20, the left end of the drawbar 30 rotates counterclockwise around the clamping groove 221, and at this time, the hooking part 31 is disengaged from the hook 211.

As shown in fig. 2 to 8, a wire threading hole is formed at the right end of the traction rod 30. One end of the steel wire 10 is inserted into the steel wire threading hole and fixed with the right end of the traction rod 30.

As shown in fig. 2 to 8, the hanging part 31 is a hanging rod, and the hanging rod is perpendicular to the traction rod 30. When the left end of the traction rod 30 rotates clockwise, the hanging rod is clamped in the hook 211; when the left end of the traction rod 30 rotates counterclockwise, the hanging rod is separated from the hook 211.

As shown in fig. 2 to 8, the connecting rod 23 is provided with a handle 40 in a direction away from the opening of the U-shaped bracket 20. The handle 40 is convenient to hold.

As shown in fig. 2 to 8, the left support arm 21 is a block structure, the right support arm 22 is a sheet structure, and the clip groove 221 is disposed at the bottom of the right support arm 22 and opposite to the hook 211.

The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. An orthopedic steel wire guider is used for bundling steel wires around crushed bone pieces and is characterized by comprising a U-shaped support and a draw bar, wherein the U-shaped support comprises a left support arm, a right support arm and a connecting rod for connecting the left support arm and the right support arm;

when the U-shaped support is pushed towards the direction of the crushed bone pieces, the crushed bone pieces push the left end of the traction rod to rotate anticlockwise, the hanging part is separated from the hook at the moment, the crushed bone pieces slide into the U-shaped support from a gap between the hanging part and the hook, the traction rod rotates clockwise under the action of self restoring force, the hanging part is hung and buckled with the hook, and when the U-shaped support is pulled towards the direction of keeping away from the crushed bone pieces, the crushed bone pieces push the traction rod to be separated from the clamping groove.

2. The orthopedic wire guide of claim 1, wherein the right support arm is provided with a wire guide hole at a side thereof away from the left support arm, and the wire is connected to the right end of the traction rod after passing through the wire guide hole.

3. The orthopedic wire guide of claim 1 or 2, wherein the clamp groove comprises an upper arc-shaped clamping piece and a lower arc-shaped clamping piece, one side of the upper arc-shaped clamping piece is fixedly connected with one side of the lower arc-shaped clamping piece, and a clamp opening is formed between the other side of the upper arc-shaped clamping piece and the other side of the lower arc-shaped clamping piece.

4. The orthopedic wire guide of claim 1, wherein the right end of the traction rod is provided with a wire threading hole.

5. The orthopedic wire guide of claim 1, wherein the hooking portion is a hooking rod that is perpendicular to the traction rod.

6. The orthopedic wire guide of claim 1, wherein the connecting rod is provided with a handle in a direction away from the opening of the U-shaped bracket.

7. The orthopedic wire guide of claim 1, wherein the left support arm is a block-shaped structure, the right support arm is a sheet-shaped structure, and the clip groove is disposed at the bottom of the right support arm and opposite to the hook.