CN202699271U

CN202699271U - Multifunctional universal guiding device for bone-holding resetting kirschner wire

Info

Publication number: CN202699271U
Application number: CN2012204149312U
Authority: CN
Inventors: 王士进
Original assignee: CENTRAL HOSPITAL OF TAIAN
Current assignee: CENTRAL HOSPITAL OF TAIAN
Priority date: 2012-08-21
Filing date: 2012-08-21
Publication date: 2013-01-30
Anticipated expiration: 2022-08-21

Abstract

The utility model discloses a multifunctional universal guiding device for a bone-holding resetting kirschner wire, comprising a first grab handle and a second grab handle, wherein the middle of the first grab handle is hinged with the middle of the second grab handle through a fixed shaft, a first clamping piece is mounted at the front end of the first grab handle, a second clamping piece is mounted at the front end of the second grab handle, the first clamping piece and the second clamping piece are arc-shaped, the inner arc faces of the first clamping piece and the second clamping piece are opposite, at least three through holes are arranged in the arc face of each of the first clamping piece and the second clamping piece, the through holes in the first clamping piece and the second clamping piece are symmetric relative to the fixed shaft, a first connecting piece is mounted at the upper part of the rear end of the first grab handle, a second connecting piece is mounted at the lower part of the rear end of the second grab handle, the first connecting piece and the second connecting piece are arc-shaped, a row of first fixed teeth are mounted on the outer side of the arc face of the first connecting piece, a row of second fixed teeth are mounted on the inner side of the arc face of the second connecting piece, and the first fixed teeth are matched with the second fixed teeth. The multifunctional universal guiding device for the bone-holding resetting kirschner wire has the beneficial effects that the guiding device is convenient to use in a surgery process and can play roles of positioning and guiding the kirschner wire in multiple directions, and one time success rate of the surgery is high.

Description

A kind of multi-functional reduction Kirschner wire universal pilot of holding

Technical field

The device that when this utility model relates to a kind of bone surgery Kirschner wire is led, especially a kind of multi-functional reduction Kirschner wire universal pilot of holding.

Background technology

In bone surgery, usually need Kirschner wire percutaneous and soft tissue passed and pierce again another predetermined bone piece behind the bone piece and fix, in this operation, because the distance of Kirschner wire is longer, drilling direction is slightly offset, last bore position just has larger deviation, can not reach the position of expection.Run into this situation, solution one is redrilling, has not only increased patient's misery, also wastes time and energy, and prolongs operating time; Another kind method is that the doctor stirs Kirschner wire with instrument in the otch of operation, makes the tip of Kirschner wire to predetermined direction deflection, continues to creep into again.Because general deviation is only between several millimeters, and Kirschner wire also has good elasticity, stirring deflection and can realize like this, at present a lot of doctors adopt this method that the drilling direction of Kirschner wire is revised in operation, but all do not have special-purpose instrument when stirring Kirschner wire, it is both inconvenient to use other operating theater instruments to replace, also easily to Kirschner wire surface injury, therefore, the device that creeps in the urgent need to the guiding Kirschner wire of developing a kind of special use now.

The utility model content

The purpose of this utility model is to provide a kind of multi-functional reduction Kirschner wire universal pilot of holding, and makes it can overcome the deficiencies in the prior art, can correct Kirschner wire and creep into deviation, and the guiding Kirschner wire creeps into predeterminated target.

The technical scheme that its technical problem that solves this utility model adopts is: comprise the first lever and the second lever, the first lever middle part is hinged by fixed axis with the second lever middle part, the first lever front end is installed the first intermediate plate, the second lever front end is installed the second intermediate plate, the first intermediate plate and the second intermediate plate are arc, the first intermediate plate is relative with the intrados of the second intermediate plate, offer respectively at least three through holes on the cambered surface of the first intermediate plate and the second intermediate plate, through hole on the first intermediate plate and the second intermediate plate is symmetrical with respect to fixed axis, the first brace is installed in top, the first lever rear end, the second brace is installed in below, the second lever rear end, the first brace and the second brace are arc, the first brace cambered surface outside is installed one and be ranked first fixed teeth, and the second brace cambered surface installed inside one ranked second fixed teeth, and the first fixed teeth matches with the second fixed teeth.

In order further to realize the purpose of this utility model, described the first lever and the second lever rear end be mounting knob respectively; Through hole on described the first intermediate plate and the second intermediate plate is five, respectively two outer holes, two mesopores and an endoporus, two outer holes are separately positioned on the two ends of intermediate plate, two mesopores are arranged between two outer holes, endoporus is in the centre of intermediate plate, and two outer holes and two mesopores are symmetrical with respect to endoporus respectively; Described outer hole and mesopore are oval, and endoporus is circular, and the long axis length in outer hole is greater than the long axis length of mesopore, and the long axis length of mesopore is greater than the diameter of endoporus; Described outer hole and mesopore are inclined holes, and the centrage in outer hole and the angle of normal are β, and the centrage of mesopore and the angle of normal are α, and α is greater than β, and endoporus is perpendicular to cambered surface.

The beneficial effects of the utility model are, simple in structure, easy for operation in the operation process, can play the effect to the Kirschner wire positioning and guiding when piercing Kirschner wire, and prevent the damage that Kirschner wire causes because of slippage, the clamping Kirschner wire of can working in coordination between each hole on the first intermediate plate and the second intermediate plate moves to a plurality of directions, make the operation one-time success rate high, improve the safety of operation and shorten operating time, reduce patient's operation risk, alleviate medical worker's work difficulty.

Description of drawings

Fig. 1 is this utility model structural representation; Fig. 2 is that A along Fig. 1 is to the structure for amplifying sketch map; Fig. 3 is I section structure for amplifying sketch map among Fig. 1; Fig. 4 analyses and observe the structure for amplifying sketch map along the B-B line of Fig. 1.

Reference numeral: 1 first lever, 2 second levers, 3 fixed axis, 4 first intermediate plates, 5 second intermediate plates, 6 first braces, 7 second braces, 8 first fixed teeth, 9 second fixed teeth, 10 handles, 11 outer hole 12 mesopores, 13 endoporus.

The specific embodiment

Comprise the first lever 1 and the second lever 2, as shown in Figure 1, the first lever 1 middle part and the second lever 2 middle parts are hinged by fixed axis 3, the first lever 1 front end is installed the first intermediate plate 4, the second lever 2 front ends are installed the second intermediate plate 5, the first intermediate plate 4 and the second intermediate plate 5 are arc, the first intermediate plate 4 is relative with the intrados of the second intermediate plate 5, offer respectively at least three through holes on the cambered surface of the first intermediate plate 4 and the second intermediate plate 5, through hole on the first intermediate plate 4 and the second intermediate plate 5 is with respect to fixed axis 3 symmetries, the first brace 6 is installed in top, the first lever 1 rear end, the second brace 7 is installed in below, the second lever 2 rear ends, the first brace 6 and the second brace 7 are arc, and the first brace 6 cambered surfaces outside installation one ranked first fixed teeth 8, the second braces 7 cambered surface installed inside one and ranked second fixed teeth 9, the first fixed teeth 8 matches with the second fixed teeth 9, the first lever 1 and the second lever 2 conveniently are fastened, and Kirschner wire can slippage, has improved operation efficient; Described the first lever 1 and the second lever 2 rear ends are mounting knob 10 respectively, makes the convenient use of people, and a hands can be grasped; Through hole on described the first intermediate plate 4 and the second intermediate plate 5 is five, respectively two outer holes 11, two mesopores 12 and an endoporus 13, two outer holes 11 are separately positioned on the two ends of intermediate plate, two mesopores 12 are arranged between two outer holes 11, endoporus 13 is in the centre of intermediate plate, two outer holes 11 and two mesopores 12 are respectively with respect to endoporus 13 symmetries, this structure can make Kirschner wire be fixed in any two holes between the first intermediate plate 4 and the second intermediate plate 5, the set direction of guide-localization is many, the easier target of finishing the drilling direction of guiding Kirschner wire; Described outer hole 11 and mesopore 12 are oval, and endoporus 13 is circular, and the long axis length in outer hole 11 is greater than the long axis length of mesopore 12, and the long axis length of mesopore 12 is greater than the diameter of endoporus 13, and this structure makes more stable being fixed in the guider of Kirschner wire; Described outer hole 11 and mesopore 12 are inclined holes, and the centrage in outer hole 11 and the angle of normal are β, and the centrage of mesopore 12 and the angle of normal are α, α is greater than β, endoporus 13 is perpendicular to cambered surface, and this structure makes Kirschner wire enter skeleton by the hole vertical drill, also can deflection pierce.

The first intermediate plate 4 described in the utility model and the second intermediate plate 5 can be divided into large, medium and small three kinds of models according to people's fracture site different, on large, medium and small type the first intermediate plate 4 and the second intermediate plate 5 five holes, four holes and three holes are set respectively, 4 holes are set on the medium-sized intermediate plate, be respectively two symmetrical outer holes 11 and two

symmetrical mesopores

12,3 holes are set on the small-sized intermediate plate, are respectively the endoporus 13 at two symmetrical outer holes 11 and intermediate plate middle part.

Below by reference to the accompanying drawings the specific embodiment of the present utility model is described, but these explanations can not be understood to limit scope of the present utility model, this utility model not technology contents of detailed description is known technology.

Claims

1. multi-functional reduction Kirschner wire universal pilot of holding, it is characterized in that: comprise the first lever (1) and the second lever (2), the first lever (1) middle part is hinged by fixed axis (3) with the second lever (2) middle part, the first lever (1) front end is installed the first intermediate plate (4), the second lever (2) front end is installed the second intermediate plate (5), the first intermediate plate (4) and the second intermediate plate (5) are arc, the first intermediate plate (4) is relative with the intrados of the second intermediate plate (5), offer respectively at least three through holes on the cambered surface of the first intermediate plate (4) and the second intermediate plate (5), through hole on the first intermediate plate (4) and the second intermediate plate (5) is with respect to fixed axis (3) symmetry, the first brace (6) is installed in top, the first lever (1) rear end, the second brace (7) is installed in below, the second lever (2) rear end, the first brace (6) and the second brace (7) are arc, the first brace (6) cambered surface outside is installed one and be ranked first fixed teeth (8), the second brace (7) cambered surface installed inside one ranked second fixed teeth (9), and the first fixed teeth (8) matches with the second fixed teeth (9).

2. a kind of multi-functional reduction Kirschner wire universal pilot of holding according to claim 1 is characterized in that: described the first lever (1) and the second lever (2) rear end difference mounting knob (10).

3. a kind of multi-functional reduction Kirschner wire universal pilot of holding according to claim 1, it is characterized in that: the through hole on described the first intermediate plate (4) and the second intermediate plate (5) is five, respectively two outer holes (11), two mesopores (12) and an endoporus (13), two outer holes (11) are separately positioned on the two ends of intermediate plate, two mesopores (12) are arranged between two outer holes (11), endoporus (13) is in the centre of intermediate plate, and two outer holes (11) and two mesopores (12) are respectively with respect to endoporus (13) symmetry.

4. a kind of multi-functional reduction Kirschner wire universal pilot of holding according to claim 3, it is characterized in that: described outer hole (11) and mesopore (12) are for oval, endoporus (13) is circular, the long axis length in outer hole (11) is greater than the long axis length of mesopore (12), and the long axis length of mesopore (12) is greater than the diameter of endoporus (13).

5. a kind of multi-functional reduction Kirschner wire universal pilot of holding according to claim 3, it is characterized in that: described outer hole (11) and mesopore (12) are inclined holes, the centrage in outer hole (11) and the angle of normal are β, the centrage of mesopore (12) and the angle of normal are α, α is greater than β, and endoporus (13) is perpendicular to cambered surface.