CN208784904U

CN208784904U - Kirschner wire guider

Info

Publication number: CN208784904U
Application number: CN201820564300.6U
Authority: CN
Inventors: 叶智江
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-04-19
Filing date: 2018-04-19
Publication date: 2019-04-26
Anticipated expiration: 2028-04-19

Abstract

The utility model relates to a kind of Kirschner wire guiders, including bone plane perpendicular positioning nail and u-bracket, two vertical arms free ends of the u-bracket are equipped with Kirschner wire guide pad, two Kirschner wire guide pads are equipped with the coaxially arranged pilot hole of threading a needle for constituting Kirschner wire guide path, bone plane perpendicular positioning nail includes the shape body being fixedly connected in u-bracket, shape body is located between two vertical arms of u-bracket, shape body extends along the vertical arms length direction of u-bracket and vertical Kirschner wire guide path, shape body is equipped with the bone face resistance surface vertical with shape body relative to the other end for connecting one end with u-bracket, tip is protruded in the resistance surface of bone face.Realize that Kirschner wire vertically squeezes into the guiding of phalanges, with simple, the easy to operate advantage of structure.

Description

Kirschner wire guider

Technical field

The utility model relates to Kirschner wires on Orthopeadic Surgery medical instrument, in particular to exter-nal fixer vertically to import phalanges Kirschner wire guider.

Background technique

It is clinical mainly to treat phalangeal fracture using following three kinds of modes at present --- fixed, miniature steel plate or spiral shell in Kirschner wire Fixation and phalanges external fixator phalangeal fracture in following closely.Phalanges external fixator phalangeal fracture has external fixator structure Simply, it is convenient for charge and discharge operations, after union, removes interior fixation without second operation, above and below movable fracture site as early as possible The advantages of joint, prevents anchylosis, and hand functional rehabilitation is early, better function.It is imported product that external fixator is applied in clinic, Common ground is fixed for single armed, expensive, complicated for operation, and fixing glue often by finger back side or the merging of back outside, is easy to damage flesh Tendon causes adhesion of tendon, cannot achieve the purpose that early functional exercise.Exist for the above-mentioned existing clinically external fixator of solution and asks Topic, the present inventor's invention devise " the miniature exterior fixing rack of phalanges " (and patented authorization, Authorization Notice No. are as follows:CN205339094U), there is the reseting fracture position from stereo directional, and achieve the effect that continuous traction.In clinical use, Kirschner wire needs vertical phalanx bone face to squeeze on the miniature exterior fixing rack of phalanges, and existing clinically leads without corresponding Kirschner wire To device, so that the fixed operation of Kirschner wire is inconvenient.

Summary of the invention

The present utility model purpose: to overcome defect of the existing technology, the utility model provides a kind of Kirschner wire Guider guarantees that Kirschner wire vertically squeezes into phalanges with simple, the easy to operate advantage of structure.

To achieve the above object, the utility model provides following technical solution:

A kind of Kirschner wire guider, including bone plane perpendicular positioning nail and u-bracket, two of the u-bracket are vertical It is equipped with Kirschner wire guide pad to arm free end, two Kirschner wire guide pads are equipped with coaxially arranged composition Kirschner wire guide path Pilot hole of threading a needle, bone plane perpendicular positioning nail includes the shape body that is fixedly connected in u-bracket, and shape body is located at U Between two vertical arms of type bracket, shape body extends along the vertical arms length direction of u-bracket and vertical Kirschner wire guiding Path, shape body are equipped with the bone face resistance surface vertical with shape body, bone relative to the other end for connecting one end with u-bracket Tip is protruded in the resistance surface of face.

The bone face resistance surface that the Kirschner wire guider of the utility model is followed closely through bone plane perpendicular positioning is parallel with phalanges face to be connect It touches, the part of tip piercing Phalanges medullary cavity, which is realized, to be fixed, and is indulged to reach the shape body that bone plane perpendicular positioning is followed closely with phalanges Axis is vertical, and shape body is located at extension and vertical Kirschner wire guide path between two vertical arms of u-bracket, so that gram The vertical phalanges longitudinal axis of family name's needle guide path, i.e. Kirschner wire vertically squeeze into phalanges, with simple, the easy to operate advantage of structure.

Preferably, position-adjustable is set in u-bracket along its length for the shape body.Structure design Under, it after bone plane perpendicular positioning nail is fixed on phalanges, realizes that the position of u-bracket is adjusted, that is, reaches adjusting Kirschner wire and lead To the relative position between path and phalanges, it is accurate and reliable to guarantee that Kirschner wire squeezes into position.

Preferably, positioning through hole is equipped in the middle part of the cross bar of the u-bracket, the bone plane perpendicular positioning is followed closely rod-shaped Main body is equipped with external screw thread, is threadedly engaged on the external screw thread of shape body there are two location nut, two location nut clampings are solid Determine the cross bar of u-bracket.Under structure design, by adjusting position of two location nuts on shape body, to adjust U Type support height position reaches the relative position adjusted between Kirschner wire guide path and phalanges, has structure simple, adjusts behaviour Make convenient advantage.

Preferably, two vertical arms free ends of the u-bracket are along vertical Kirschner wire guide path direction two sides It is protruding with fixture block, the Kirschner wire guide pad is equipped with card slot, and card slot has to be entered and left with the consistent inserting in pilot hole direction of threading a needle Mouthful, the Kirschner wire guide pad through card slot along mating two vertical arms in u-bracket in Kirschner wire guide path direction from Kirschner wire guide pad, which is constituted, by holding, when Kirschner wire guide pad disengages the vertical arms free end of u-bracket skids off disengagement Kirschner wire.It should Under structure design, removal can be skidded off from U-shaped frame convenient for the good Kirschner wire guide pad later of Kirschner wire fixation in this way, operation is more It is convenient.

Preferably, radially linking has an elastic opening to the pilot hole of threading a needle, which makes pilot hole of threading a needle It is radial to penetrate through Kirschner wire guide pad to the vertical arms length direction side of u-bracket.It is interspersed convenient for Kirschner wire under structure design In in pilot hole of threading a needle.

Preferably, two Kirschner wire guide pads are equipped with 3 pilot holes of threading a needle for corresponding cooperation, and 3 are threaded a needle Pilot hole is arranged along the direction of vertical Kirschner wire guide path, shape body.Under structure design, 3 Kirschner wire fixations are realized In on phalanges.

The utility model is further described with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1 is the utility model specific embodiment Kirschner wire guider perspective view；

Fig. 2 is the utility model specific embodiment Kirschner wire guider explosive view；

Fig. 3 is the utility model specific embodiment Kirschner wire guide block structure schematic diagram.

Specific embodiment

Referring to attached drawing 1 ~ 3, a kind of Kirschner wire guider disclosed by the utility model, including bone plane perpendicular positioning nail 1 with And u-bracket 2, two 21 free ends of vertical arms of the u-bracket 2 are equipped with Kirschner wire guide pad 3, two Kirschner wire guiding Block 3 is equipped with the coaxially arranged pilot hole 31 of threading a needle for constituting Kirschner wire guide path 3-1, and bone plane perpendicular positioning nail 1 includes solid Surely the shape body 11 being connected in u-bracket 2, shape body 1 are located between two vertical arms 21 of u-bracket 2, rod-shaped master Body 11 extends along 21 length direction of vertical arms of u-bracket 2 and vertical Kirschner wire guide path 3-1, shape body 11 relative to The other end that one end is connect with u-bracket 2 is equipped with the bone face resistance surface 12 vertical with shape body 11, dashes forward in bone face resistance surface 12 There is tip 13 out, 13 length of tip is into phalanges section 1/2, convenient for determining the height of U-shaped frame.Bone face 12 areas of resistance surface are big In 11 area of section of shape body, bone face resistance surface that the Kirschner wire guider of the utility model is followed closely through bone plane perpendicular positioning with Phalanges face parallel contact, the part that tip is pierced into Phalanges medullary cavity, which is realized, to be fixed, to reach the rod-shaped of bone plane perpendicular positioning nail Main body and phalanges axis oriented normal, shape body are located at extension and vertical Kirschner wire guideway between two vertical arms of u-bracket Diameter has structure simple so that the vertical phalanges longitudinal axis of Kirschner wire guide path, i.e. Kirschner wire 5 vertically squeeze into phalanges, operation Convenient advantage.Two Kirschner wire guide pads 3 are equipped with 3 pilot holes 31 of threading a needle for corresponding cooperation, that is, form 3 Kirschner wire guide path 3-1,3 pilot holes 31 of threading a needle are arranged along the direction of vertical Kirschner wire guide path 3-1, shape body 11 Cloth.

It is more accurate reliable to make Kirschner wire 5 squeeze into phalanges position, the shape body 11 position along its length It is adjustable to be set in u-bracket 2.After bone plane perpendicular positioning nail 1 is fixed on phalanges, the position of u-bracket is realized It adjusts, that is, reaches the relative position adjusted between Kirschner wire guide path and phalanges, guarantee that Kirschner wire 5 squeezes into position and accurately may be used It leans on.

In this specific embodiment, positioning through hole 221 is equipped in the middle part of the cross bar 22 of the u-bracket 2, the bone plane is hung down The shape body 11 of straight locating pin 1 is equipped with external screw thread 111, is threadedly engaged that there are two fixed on the external screw thread 111 of shape body 11 Position nut 4, two location nuts 4 grip the cross bar 22 of u-bracket 2.By adjusting two location nuts in shape body On position reach and adjust u-bracket height (i.e. edge so that it is determined that u-bracket is clamped and fixed in the position on shape body The direction of the length of the vertical arms of u-bracket and vertical Kirschner wire guide path) position, reach adjust Kirschner wire guide path with Relative position between phalanges has structure simple, adjusts easy to operate advantage.Certainly it is used as the feasible side of the utility model Case realizes that the structure that U-bracket is gone up and down on shape body can also be bolt and nut structure (in the middle part of the cross bar of u-bracket Locating rotation is combined with adjusting nut, and shape body is equipped with the external screw thread cooperated with adjusting nut, adjusting nut and u-bracket Lockable, unlock cooperation), or use sliding block and the cooperation of guide groove etc..

Two 21 free ends of vertical arms of the u-bracket 2 are convex along vertical Kirschner wire guide path 3-1 direction two sides There is fixture block 211 out, the Kirschner wire guide pad 3 is equipped with card slot 32, and card slot 32 has consistent with 31 direction of pilot hole of threading a needle Entrance 321 is inserted, the Kirschner wire guide pad 3 is mating in U-shaped branch along the direction Kirschner wire guide path 3-1 through card slot 32 Two 21 free ends of vertical arms of frame 2, Kirschner wire guide pad 3 constitute Kirschner wire when disengaging 21 free end of vertical arms of u-bracket 2 Guide pad 3, which skids off, disengages Kirschner wire 5.It can be skidded off from U-shaped frame convenient for the good Kirschner wire guide pad later of Kirschner wire fixation in this way Removal operates more convenient.Card slot 32 along the direction Kirschner wire guide path 3-1 can both ends penetrate through, in this way convenient for Kirschner wire guiding Block is general, and the shape body side followed closely along the Kirschner wire direction guide path 3-1 towards plane perpendicular positioning can also be used in card slot 32 The inserting entrance 321 is formed for setting opening, card slot 32 is to close towards the other end along the Kirschner wire direction guide path 3-1 Form limit.

Further, the radial linking of pilot hole 31 of threading a needle has an elastic opening 311, which makes Pilot hole 31 of threading a needle is radial to penetrate through Kirschner wire guide pad 3 to the 21 length direction side of vertical arms of u-bracket 2.Convenient for Kirschner wire 5 It is interspersed in and threads a needle in pilot hole.

Claims

1. a kind of Kirschner wire guider, including bone plane perpendicular positioning nail and u-bracket, two longitudinal directions of the u-bracket Arm free end is equipped with Kirschner wire guide pad, and two Kirschner wire guide pads are equipped with coaxially arranged composition Kirschner wire guide path It threads a needle pilot hole, bone plane perpendicular positioning nail includes the shape body being fixedly connected in u-bracket, and shape body is located at U-shaped Between two vertical arms of bracket, shape body extends along the vertical arms length direction of u-bracket and vertical Kirschner wire guideway Diameter, shape body are equipped with the bone face resistance surface vertical with shape body, bone face relative to the other end for connecting one end with u-bracket Tip is protruded in resistance surface.

2. Kirschner wire guider according to claim 1, it is characterised in that: position can along its length for the shape body What is adjusted is set in u-bracket.

3. Kirschner wire guider according to claim 2, it is characterised in that: it is fixed to be equipped in the middle part of the cross bar of the u-bracket The shape body of position through-hole, the bone plane perpendicular positioning nail is equipped with external screw thread, is threadedly engaged on the external screw thread of shape body There are two location nut, two location nuts grip the cross bar of u-bracket.

4. Kirschner wire guider according to claim 1, it is characterised in that: two vertical arms free ends of the u-bracket It is protruding with fixture block along vertical Kirschner wire guide path direction two sides, the Kirschner wire guide pad is equipped with card slot, card slot tool Have and the consistent inserting entrance in pilot hole direction of threading a needle, the Kirschner wire guide pad is through card slot along Kirschner wire guide path direction Mating two vertical arms free ends in u-bracket, structure when Kirschner wire guide pad disengages the vertical arms free end of u-bracket Disengagement Kirschner wire is skidded off at Kirschner wire guide pad.

5. Kirschner wire guider according to claim 1, it is characterised in that: radially linking has a bullet to the pilot hole of threading a needle Property opening, which to thread a needle, and pilot hole is radial leads to the vertical arms length direction side of u-bracket perforation Kirschner wire To block.

6. Kirschner wire guider according to claim 1, it is characterised in that: two Kirschner wire guide pads are equipped with 3 The pilot hole of threading a needle of cooperation is corresponded, 3 pilot holes of threading a needle are arranged along the direction of vertical Kirschner wire guide path, shape body Cloth.