CN101797177B

CN101797177B - Plate for fixing dislocated acromioclavicular joint

Info

Publication number: CN101797177B
Application number: CN2010101398747A
Authority: CN
Inventors: 张英泽; 张奇; 秦士吉; 陈伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-07
Filing date: 2010-04-07
Publication date: 2012-07-04
Anticipated expiration: 2030-04-07
Also published as: CN101797177A

Abstract

The invention relates to a plate for fixing dislocated acromioclavicular joint, belonging to the technical field of the orthopedic medical device. The plate for relocating and fixing the dislocated acromioclavicular joint comprises a clavicle positioning plate, an acromion plate and a side fork. The clavicle positioning plate is a rectangular steel plate, and 2 to 5 positioning holes are longitudinally distributed on the surface of the rectangular steel plate; the acromion plate is a rectangular steel or titanium plate, the front part of the acromion plate narrows gradually, the front end is sharp, and the rear part is arranged on one side of the clavicle positioning plate and is connected into a whole body with the front part of the clavicle positioning plate; the side fork is connected to the lower part of one side of the acromion plate and is arranged parallel to the longitudinal axis of the acromion plate; and a gap is left between the side fork and the acromion plate. When the plate for fixing dislocated acromioclavicular joint is in use, the clavicle positioning plate is fixed on the clavicle, the side fork is inserted to the center of the cortex on the upper side and the lower side of the acromion or is arranged below the acromion, and the acromion plate is fixed on the acromion. The plate for fixing dislocated acromioclavicular joint has high fixing strength, is good for repairing the ligament, can avoid the occurrence of the acromion impingement syndrome and cause little damage to the acromioclavicular joint capsule and the ligament around the same.

Description

A kind of acromioclavicular joint dislocation fixing head

Technical field

The present invention relates to a kind of fixture of treating acromioclavicular joint dislocation, belong to the orthopedic medical device technical field.

Background technology

In orthopaedic medical treatment operation, the resetting and fixedly be a kind of operation that needs to be grasped of acromioclavicular joint dislocation.Mostly acromioclavicular joint dislocation is the direct violence damage, receives direct bump like shoulder in vehicle accident and causes injury.When this position fracture or dislocation, near ligament damage in various degree can causing causes the shoulder joint function obstacle.The operation method of treatment acromioclavicular joint dislocation is a lot, traditional has the Kirschner wire tension band to fix, hook plate is fixed, fixation with steel wire etc.In these methods, the shortcoming of Kirschner wire tension band fixing means is that Kirschner wire is deviate from easily, instability before and after fixing not firm causing; And during application hooks steel plate treatment acromioclavicular joint dislocation; The far-end hook of hook plate is inserted in the below of acromion; When the upper limb abduction, produce bump under the acromion easily, and, tend to damage ligament of acromioclavicular joint during taking-up because its plate body profile is unfavorable for the reparation of row ligament of acromioclavicular joint more greatly.The far-end of hook plate is inserted under the acromion, and is no extra fixing, so front and back and activity up and down can take place, and part patient's hook plate even generation are obviously dislocated and lost fixation.For this reason; Medical worker and patient hope to develop and develop new operating theater instruments and method; So that when the treatment acromioclavicular joint dislocation, reach better surgical effect, can reduce patient's misery simultaneously and alleviate burden economically, and can promote the use of at basic hospital.

Summary of the invention

Technical problem to be solved by this invention provide a kind of carry out acromioclavicular joint reset can increase the constant intensity of fixing head and acromion when the fixing operation, be beneficial to capable ligament repair, avoid taking place acromion bump syndrome, when taking out to capsula articularis acromioclavicularis and the little acromioclavicular joint dislocation fixing head of ligament injury on every side.

The technical scheme that solves the problems of the technologies described above is:

A kind of acromioclavicular joint dislocation fixing head, it is made up of clavicle spacer, acromion sheet, side fork, and the clavicle spacer is rectangle steel disc or titanium plate; Plate face y direction is distributed with 2-5 locating hole in plate face upper edge, and the acromion sheet is rectangular steel disc or titanium plate, and its forward width reduces gradually; Leading section is sharp-pointed, is fillet or right angle, and the rear portion of acromion sheet is positioned at a side of clavicle spacer; Link into an integrated entity with clavicle spacer front portion; The side fork is connected the side-lower of acromion sheet, and is parallel with the longitudinal axis of acromion sheet, gapped between side fork and the acromion sheet.

Above-mentioned acromioclavicular joint dislocation fixing head, said clavicle spacer is crooked along the Y-direction both sides of plate face, and the crooked radian and the periphery of clavicle are complementary.

Above-mentioned acromioclavicular joint dislocation fixing head, there is the crotch of inwardly holding clavicle tightly the both sides of said clavicle spacer.

Above-mentioned acromioclavicular joint dislocation fixing head has the locking screw on the said acromion sheet, and 1-3 locating hole arranged on it.

Above-mentioned acromioclavicular joint dislocation fixing head, said side fork front end is sharp-pointed, and its length is less than or equal to the length of acromion sheet.

Adopt the acromioclavicular joint dislocation fixing head of this structure, the clavicle spacer is fixed on clavicle top during use, and the clavicle sheet outside does not hide the acromioclavicular joint gap, for the reparation of ligament and joint capsule provides the space; The side fork is inserted into the cortex central authorities of acromion upper and lower sides or is positioned under the acromion; Use screw the acromion sheet be fixed on the acromion, have constant intensity big, help carrying out repair of ligament, avoid taking place acromion bump syndrome, to capsula articularis acromioclavicularis and around the little advantage of ligament injury.Patient's post-operative recovery time is short, and healing alleviates the medical burden of patient and society smoothly, and technical operation is easy, is convenient to promote at basic hospital.

Description of drawings

Fig. 1 is a front view of the present invention;

Fig. 2 is a vertical view of the present invention;

Fig. 3 is a side view of the present invention;

Fig. 4 is a user mode sketch map of the present invention.

Labelling is following among the figure: clavicle spacer 1, acromion sheet 2, side fork 3, locating hole 4, crotch 5, screw 6, clavicle 7, acromion 8.

The specific embodiment

Fig. 1,2,3 shows, comprises clavicle spacer 1, acromion sheet 2, side fork 3 during the present invention forms.

Clavicle spacer 1 is rectangle steel disc or titanium plate, and crooked along the Y-direction both sides of plate face, the crooked radian and the periphery of clavicle 7 are complementary.Plate face y direction is distributed with 2-5 locating hole 4 in plate face upper edge, and there is the crotch 5 of inwardly holding clavicle 7 tightly the both sides of plate face, and crotch 5 can not wanted yet.

Acromion sheet 2 is rectangular steel disc or titanium plate, and its forward width reduces gradually, and leading section is sharp fillet or right angle.The rear portion of acromion sheet 2 is positioned at a side of clavicle spacer 1, links into an integrated entity with clavicle spacer 1 front portion, and common nails hole or screw 6 are arranged on the acromion sheet 2, also screw 6 can be set, is merely slick steel disc or titanium plate.Acromion sheet 2 front ends of this spline structure are sharp-pointed and slick and sly, be easy to insert in the epithelial tissue of acromion 8, acromion sheet 2 narrow width, when inserting and take out to capsula articularis acromioclavicularis and around ligament injury little.

Side fork 3 is connected the side-lower of acromion sheet 2, and is parallel with the longitudinal axis of acromion sheet 2, and gapped between side fork 3 and the acromion sheet 2, it is sharp-pointed that side is pitched 3 front ends, and its length is less than or equal to the length of acromion sheet 2.Space around the side fork 3 is big.The clavicle sheet outside does not hide the acromioclavicular joint gap, helps carrying out repair of ligament

Fig. 4 is a user mode sketch map of the present invention.Show among the figure that the clavicle spacer 1 of acromioclavicular joint dislocation fixing head is fixedly connected with clavicle 7 through locating hole 4 usefulness screws, the crotch 5 of both sides is held clavicle 7 tightly.The side fork 3 of acromion sheet 2 side-lowers is inserted into the cortex central authorities of acromion 8 upper and lower sides, has so just increased the constant intensity of acromioclavicular joint dislocation fixing head and acromion.The side fork 3 of acromion sheet 2 side-lowers also can be inserted into acromion 8 times; Locking screw or common screw 6 can be set on acromion sheet 2; Utilize screw that the acromion sheet 2 of acromioclavicular joint dislocation fixing head is fixed on the acromion 8; Lock screw is only passed the cortex of acromion 8 tops, and does not pass the cortex below it, avoids taking place acromion bump syndrome.As be common screw 6, inserting screw can not be long, avoids damaging shoulder joint, or causes acromion bump syndrome.

Claims

1. acromioclavicular joint dislocation fixing head is characterized in that: it is made up of clavicle spacer [1], acromion sheet [2], side fork [3], and clavicle spacer [1] is rectangle steel plate or titanium plate; Plate face y direction is distributed with 2-5 locating hole [4] in plate face upper edge, and acromion sheet [2] is rectangular steel disc or titanium plate, and its forward width reduces gradually; Leading section is sharp-pointed, is fillet or right angle, and the rear portion of acromion sheet [2] is positioned at a side of clavicle spacer [1]; Link into an integrated entity with clavicle spacer [1] front portion; Side fork [3] is connected the side-lower of acromion sheet [2], and is parallel with the longitudinal axis of acromion sheet [2], gapped between side fork [3] and the acromion sheet [2].

2. acromioclavicular joint dislocation fixing head according to claim 1 is characterized in that: said clavicle spacer [1] is crooked along the Y-direction both sides of plate face, and the crooked radian and the periphery of clavicle [7] are complementary.

3. acromioclavicular joint dislocation fixing head according to claim 2 is characterized in that: there is the crotch [5] of inwardly holding clavicle [7] tightly the both sides of said clavicle spacer [1].

4. acromioclavicular joint dislocation fixing head according to claim 3 is characterized in that: screw [6] is arranged on the said acromion sheet [2].

5. acromioclavicular joint dislocation fixing head according to claim 4 is characterized in that: said side fork [3] front end is sharp-pointed, and its length is less than or equal to the length of acromion sheet [2].