CN213345888U

CN213345888U - Fracture repair positioning guider

Info

Publication number: CN213345888U
Application number: CN202020834195.0U
Authority: CN
Inventors: 梁志强
Original assignee: Longhai Hospital Of Traditional Chinese Medicine
Current assignee: Longhai Hospital Of Traditional Chinese Medicine
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2021-06-04
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a fracture repair positioning guider, which comprises a fixed frame, wherein the fixed frame is an L-shaped structure formed by fixedly connecting a horizontal support arm and a vertical support arm, and the ends of the horizontal support arm and the vertical support arm which are not connected are respectively provided with a vertical sleeve and a horizontal sleeve; a hollow sleeve which is arranged on the same axis with the rotation center of the transverse sleeve is arranged in the transverse sleeve; and a positioning screw rod is arranged in the longitudinal sleeve, a thread matched with the positioning screw rod is arranged on the inner wall of the longitudinal sleeve, and the positioning screw rod is spirally and fixedly connected with the longitudinal sleeve through thread matching and is adjusted up and down. The utility model discloses a cavity sleeve pipe that the positioning screw who adjusts from top to bottom, can control and the flexible mount of horizontal vertical length mutually support, increase the function and the application scope of location director, can apply to multiple fracture location direction such as shin bone.

Description

Fracture repair positioning guider

Technical Field

Embodiments of the present disclosure relate generally to the field of medical devices and, more particularly, to a fracture repair positioning guide.

Background

In clinical treatment, two parts of fracture related to the articular surface are common, such as tibial plateau fracture, femoral condyle fracture, humeral condyle fracture, scaphoid fracture of a wrist joint and the like, the two parts of fracture need to be converted into one part of fracture firstly, the current clinical fixing method is to blindly wear a kirschner wire under X-ray fluoroscopy, and the kirschner wire is drilled into a hollow pressurizing positioning screw along the kirschner wire to fix the fracture end after the position of the kirschner wire is repeatedly confirmed to be satisfactory. It mainly has two major technical problems: firstly, for different parts and different types of fractures, the needle path of the selected kirschner wire is difficult to accurately position, the repeated X-ray fluoroscopy inevitably increases the ray exposure of medical personnel, and bone is easy to damage to influence the firmness of the fracture end fixation; secondly, at present, the two ends of the fracture line of the forceps jaws of the tissue forceps are commonly used clinically, and the forceps mouth span is limited and is an unlimited forceps jaw, and interference can be formed on the needle inserting point and the needle penetrating point of the kirschner wire, so that great difficulty is brought to maintaining and fixing the puncture needle after the bone block is reset.

Present C type location director reaches accurate location through its simple structure, and is fixed inseparable, prevents the slippage, but this kind of director must require when its position sleeve and location point installation just can ensure the accurate stable needle insertion of ke shi needle on same straight line when the operation, leads to its application scope to limit to, consequently, the utility model discloses study and improve to foretell prior art problem.

Disclosure of Invention

To the problem that above-mentioned prior art exists, the utility model provides a fracture repair positioning guide can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a fracture repair positioning guider comprises a fixed frame, wherein the fixed frame is of an L-shaped structure formed by fixedly connecting a transverse support arm and a longitudinal support arm, and one ends, which are not connected, of the transverse support arm and the longitudinal support arm are respectively provided with a longitudinal sleeve and a transverse sleeve; a hollow sleeve which is arranged on the same axis with the rotation center of the transverse sleeve is arranged in the transverse sleeve, and a kirschner wire used for fixing bones can be accommodated in the hollow sleeve; the positioning screw is installed in the longitudinal sleeve, threads matched with the positioning screw are arranged on the inner wall of the longitudinal sleeve, and the positioning screw is in threaded fixed connection with the longitudinal sleeve in a threaded matching mode and is adjusted up and down.

And the outer walls of the hollow sleeve and the positioning screw rod are provided with positioning scales.

The lower end of the positioning screw rod is provided with a tip end and is bent towards one side streamline of the fixing frame to form a positioning pointed hook, and the upper end of the positioning screw rod is fixedly connected with a screwing ring.

The horizontal support arm is of a telescopic rod structure.

The longitudinal support arm is of a telescopic rod structure.

The inner wall of the transverse sleeve is provided with threads matched with the outer wall of the hollow sleeve, and the hollow sleeve is in threaded fixed connection with the transverse sleeve in a matched mode through threads and is adjusted and arranged in a front-back moving mode.

One side of the hollow sleeve pipe, which is opposite to the positioning screw rod, is provided with anti-skid sharp teeth, and the outer wall of the other end of the hollow sleeve pipe is fixedly connected with a screwing ring.

The transverse support arm and the longitudinal support arm are fixedly connected to form a 90-degree included angle, and the longitudinal sleeve and the transverse sleeve which are connected with the transverse support arm are respectively arranged vertically and horizontally.

The utility model has the advantages that:

(1) the utility model discloses a but the cavity sleeve pipe of adjusting about the positioning screw that can adjust from top to bottom and the flexible mount of horizontal vertical length mutually support, increase the function of location director, improve application scope, can apply to multiple fracture location such as shin bone.

(2) The utility model discloses a be equipped with on the transverse sleeve inner wall with cavity sleeve pipe outer wall matched with screw thread, can adjust the relative position of cavity sleeve pipe and positioning screw according to the size of bone in the actual operation to do benefit to the clamp of bone tightly, and cooperation location point hook and anti-skidding sharp tooth carry out fastening position, do benefit to beating into smoothly of ke shi needle, avoid skew.

(3) Through being equipped with on the vertical sleeve inner wall with set screw matched with screw thread setting to and the setting of the telescopic rod structure that the horizontal support arm can length adjustment, can be according to the position and the size of the bone that different parts just are difficult for same straight line both ends point to fix in the actual operation, adjust the relative position of cavity sleeve pipe and set screw, help forming strong interlock or withholding fixedly to the bone surface, greatly improved the structure compatibility and the stability of use that the director used, in order to do benefit to the fixed of bone, promote the interlude of ke needle.

(4) Through all being provided with the location scale at the outer wall at cavity sleeve pipe and positioning screw, can carry out accurate location and regulation according to the actual size of bone, promote the interlude of ke shi needle.

(5) The horizontal support arm and the vertical support arm are arranged into telescopic rod structures, and the size of the fixing frame can be flexibly and conveniently adjusted through the telescopic action of the horizontal support arm and the vertical support arm, so that the application range of the fixing frame is enlarged; and the size of the fixing frame is adjusted according to different bone positions, so that the gravity center of the whole fixing frame is adjusted, and the effects of enhancing the use comfort and stability are achieved. The bone fracture positioning guide device is further suitable for bone fracture positioning guide in a wider range, such as calcaneal fracture, tibial plateau fracture, femoral intercondylar fracture, humeral intercondylar fracture, clavicle fracture, patellar fracture, distal radius fracture, metacarpal fracture and the like.

Drawings

The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of a second structure of the present invention.

Fig. 3 is a state diagram of fig. 2.

Fig. 4 is another schematic view of fig. 2 in use.

Detailed Description

Referring to fig. 1-2, a fracture repair positioning guider comprises a fixed frame 1, wherein the fixed frame 1 is an L-shaped structure formed by fixedly connecting a transverse support arm 101 and a longitudinal support arm 102, and the unconnected ends of the transverse support arm 101 and the longitudinal support arm 102 are respectively provided with a longitudinal sleeve 2 and a transverse sleeve 3; a hollow sleeve 4 which is arranged on the same axis with the rotation center of the transverse sleeve 3 is arranged in the transverse sleeve 3, and a Kirschner wire 6 for fixing a bone 8 can be accommodated in the hollow sleeve 4; install positioning screw 5 in the vertical sleeve 2, be equipped with on the 2 inner walls of vertical sleeve with positioning screw 5 matched with screw thread, positioning screw 5 passes through screw-thread fit and vertical sleeve 2 spiral fixed connection and adjusts the setting from top to bottom.

The outer walls of the hollow sleeve 4 and the positioning screw 5 are provided with positioning scales (not marked).

The lower end of the positioning screw 5 is set to be pointed and bent towards one side of the fixing frame 1 in a streamline form to form a positioning pointed hook 501, and the upper end of the positioning pointed hook is fixedly connected with a screwing ring 502.

The horizontal support arm 101 is a telescopic rod structure.

The longitudinal support arm 102 is a telescopic rod structure.

The inner wall of the transverse sleeve 3 is provided with threads matched with the outer wall of the hollow sleeve 4, and the hollow sleeve 4 is in threaded fixed connection with the transverse sleeve 3 in a matched mode through threads and is adjusted and arranged in a front-back moving mode.

One side of the hollow sleeve 4, which is opposite to the positioning screw 5, is provided with anti-skid sharp teeth 401, and the outer wall of the other end of the hollow sleeve is fixedly connected with a screwing ring 402.

The transverse support arm 101 and the longitudinal support arm 102 are fixedly connected to form a 90-degree included angle, and the longitudinal sleeve 2 and the transverse sleeve 3 connected with the transverse support arm are respectively arranged vertically and horizontally.

The utility model discloses carry out the prosthetic use of fracture: the length of the positioning screw rod 5 which needs to be stretched and the penetration position of the Kirschner wire are measured in advance through a medical instrument.

(1) As shown in fig. 3, to the position of conventional fracture and easy location, will be through the length that accurate control positioning screw 5 of location scale connects soon downwards, make location point hook can directly pierce the skin soft tissue, hug closely the cortex of bone surface, the location director is the same with the function of conventional shin bone locator this moment, location point hook 501 and hollow sleeve 4 through positioning screw 5 fix a position k-wire 6, can effectual improvement k-wire 6 wear needle efficiency and precision, and location point hook 501 on the positioning screw 5 and anti-skidding sharp tooth 401 on the hollow sleeve 4 can cooperate the location that improves bone 8, promote the smooth interlude of k-wire 6.

(2) As shown in fig. 4, when the fracture is repaired by the conventional tibial positioner, the positioning sharp hook 501 of the positioning screw rod 5 is pushed above the bone 8, the hollow sleeve 4 is fixed at the position vertical to the bone fracture 7, and a right-angle clamp fixing form is formed, so that powerful occlusion and fixing force can be formed on the surface of the bone, the structural compatibility and the use stability of the guider are greatly improved, the fixation of the bone is facilitated, the penetration of a kirschner wire is promoted, and the problem that the conventional tibial positioner cannot be used for positioning repair is effectively solved.

(3) As shown in fig. 2, the length of the horizontal arm 101 and the vertical arm 102 are adjusted to make the center of gravity of the fixing frame 1 different, so as to adapt to different bone positions and sizes of bones, and improve the stability of the positioning guider during use and the comfort of the user.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a fracture repair location director, includes mount (1), its characterized in that: the fixing frame (1) is of an L-shaped structure formed by fixedly connecting a transverse support arm (101) and a longitudinal support arm (102), and a longitudinal sleeve (2) and a transverse sleeve (3) are respectively installed at the ends, which are not connected, of the transverse support arm (101) and the longitudinal support arm (102); a hollow sleeve (4) which is arranged on the same axis with the rotation center of the transverse sleeve (3) is arranged in the transverse sleeve (3), and a Kirschner wire (6) for fixing bones can be accommodated in the hollow sleeve (4); install positioning screw (5) in vertical sleeve (2), be equipped with on vertical sleeve (2) inner wall with positioning screw (5) matched with screw thread, positioning screw (5) are through screw-thread fit and vertical sleeve (2) spiral fixed connection and adjust the setting from top to bottom.

2. A fracture repair positioning guide as claimed in claim 1, wherein: the outer walls of the hollow sleeve (4) and the positioning screw (5) are provided with positioning scales.

3. A fracture repair positioning guide as claimed in claim 1, wherein: the lower end of the positioning screw rod (5) is provided with a tip end and is bent towards one side streamline of the fixing frame (1) to form a positioning pointed hook (501), and the upper end of the positioning pointed hook is fixedly connected with a screwing ring (502).

4. A fracture repair positioning guide as claimed in claim 1, wherein: the transverse support arm (101) is of a telescopic rod structure.

5. A fracture repair positioning guide as claimed in claim 1, wherein: the longitudinal support arm (102) is of a telescopic rod structure.

6. A fracture repair positioning guide as claimed in claim 1, wherein: the inner wall of the transverse sleeve (3) is provided with threads matched with the outer wall of the hollow sleeve (4), and the hollow sleeve (4) is in threaded fixed connection with the transverse sleeve (3) through thread matching and is adjusted and arranged in a front-back moving mode.

7. A fracture repair positioning guide as claimed in claim 1, wherein: one side of the hollow sleeve (4) opposite to the positioning screw rod (5) is provided with anti-skid sharp teeth (401), and the outer wall of the other end of the hollow sleeve is fixedly connected with a screwing ring (402).

8. A fracture repair positioning guide as claimed in claim 1, wherein: the transverse support arm (101) and the longitudinal support arm (102) are fixedly connected to form a 90-degree included angle, and the longitudinal sleeve (2) and the transverse sleeve (3) which are connected with the transverse support arm are respectively arranged vertically and horizontally.