CN205569052U - Hinge combination formula shoulder peak, collar -bone dissection board - Google Patents

Abstract

The utility model belongs to the field of medical equipment, a dislocation of human acromioclavicular joint and collar -bone distal end reduction of the fracture internal fixation device is related to, specifically being hinge combination formula shoulder peak, collar -bone dissection board, it dissects fixed plate (1) by the collar -bone distal end of different materials and shoulder peak dissection fixed plate (2) combination forms, and collar -bone panel matter is medical stainless steel or titanium alloy, and swivel hook (3) is opened for half to its outer end design, shoulder peak panel matter adopts medical high crosslinked polyethylene, and its inside portion design is round pin column (4), buckle butt joint when using, during the operation, the separation soft tissue is dissected to expert's art incision, lays earlier fixed shoulder peak board, will dislocate and the reduction of the fracture, connects and lays the collar -bone board, and the operation purpose is realized to the fix with screw. The utility model discloses the physiological function requirement of the three -dimensional fine motion of acromioclavicular joint can fully be guaranteed to fixed back metal and polyethylene hinge type built -up connection, accords with the biomechanics principle, free matched stack between the shoulder peak collar -bone board of different models, and simple, convenient, easy learning, the practicality is just with clinical popularization and application.

Description

A kind of hinge-jointed acromion, clavicle dissect plate

Art

This utility model relates to medical apparatus and instruments, clinical Orthopeadic Surgery field, is a kind of human body acromioclavicular joint dislocation and distal clavicle fracture Reduction fixation device.

Background technology

Acromioclavicular joint dislocation (dislocation of acromioclavicula joint) accounts for about the 12% of shoulder damage, Account for the 3.2% of general joint dislocation.Therapeutic Method the most conventional is main to be fixed as in operative reduction, clavicular hook plate, Clavicular hook plate has good replacement and fixation effect, but because disturbing acromioclavicular joint and shoulder joint simultaneously, to shoulder joints function effect Relatively big, clinical report clavicular hook plate uses and is likely to occur many complication such as: break off relations, subacromial impingement and owing to acromion hits Hit that the shoulder joint caused is stiff, rotator cuff injury, acromion bone resorption etc.^[1]。

Additionally, in disclosed acromion fine motion compoboard patent, plate is all metal to metal with the connection of plate, fixation procedure Middle meeting heavy wear, produces more metal micro particles, forms high-concentration metallic ions in vivo, harmful, also can simultaneously Produce abnormal sound, bring the Psychological inadaptability such as anxiety, fear to patient.

In order to overcome existing clavicular hook plate and compoboard not enough, it is good that this utility model provides one not only to retain clavicular hook plate Good replacement and fixation functionality advantage, again without interference with shoulder joints structure, retains acromioclavicular joint motor function, meets biomechanics Principle, uses simple, convenient, safety, the reduction fixation device of rare complication.

List of references

[1] Analysis On Complications [J] of the Treatment of acromioclavicular dislocation with clavicular hook plate such as Wang Xudong, Liu Guohua, Sun Yi and distal clavicle fracture Jiangsu medicine 18 phase of volume 40 in 2014 2132-2134 page

Summary of the invention

The purpose of this utility model is: treatment acromioclavicular joint dislocation and clavicle comminuted fractures of distal.

This utility model solves its technical problem and be the technical scheme is that this combination is dissected fixed plate and had two parts composition, One is that clavicle far-end outer 1/2 dissects fixed plate, is called for short clavicle plate (1)；Another part is that acromion dissects fixed plate, is called for short acromion Plate (2)；Clavicle sheet material matter is medical stainless steel or titanium alloy, and outer 1/2 anatomic form of its monnolithic case equivalent clavicle, according to length 35 screw holes (5) of short design, its outer end is designed as semi-open swivel hook (3) by hinge means；Acromion sheet material matter uses doctor Using high crosslinked polyethylene, monnolithic case is fixed according to acromion surface four limit structure the most in echelon, longer axis parallel sagittal plain, design screw 34 and one, hole pin slide opening groove (6), its medial part is designed as pin shape (4) by hinge means, turns with clavicle plate outer end Dynamic hook (3) buckle docking；Fixing screw then can arbitrarily select common cortex to follow closely according to sclerotin condition and fixing requirement thereof, Spongiosa nail or locking nail.On acromion, first fix acromion plate during use, combination will connect clavicle plate admittedly after dislocation or the reduction of the fracture Fixed, other soft tissue injurys such as joint capsule, ligament can be repaired simultaneously.

Compared with prior art, the beneficial effects of the utility model are:

This utility model two parts are dissected the plate place of associating and are used hinge hinge formula loosely connected, and simple in construction is convenient for production, fixing After can fully ensure that the physiological function requirement of acromioclavicular joint three-dimensional fine motion, meet biomechanical principle；By traditional clavicle hook hook In the mode of acromion, change into being connected with acromion fixed plate pin parts, not only remain clavicular hook plate replacement and fixation definite effect Advantage, simultaneously to shoulder joints without any interference, patient's shoulder function can be recovered to greatest extent；Two pieces of fixed plate materials are respectively Selecting metal and high crosslinked polyethylene, its reason is that high crosslinked polyethylene has good wear resistence, excellent mechanical performance, resists Corrosivity and biocompatibility, be current most widely used artificial joint gasket material, metal to high crosslinked polyethylene interface, It is that one of minimum joint connection mode of wear rate is thought at present research, overcomes gold and gold is connected there will be abnormal sound, rub for a long time The adverse consequences that human body is damaged by produced metal micro particles；When installing in art, the design of semi-open swivel hook is easily attached, Freely assemble between the acromion clavicle plate of different model, simple, convenient, easy to learn, practical, it is simple to clinical application.

Accompanying drawing explanation

Fig. 1 is side structure schematic diagram of the present utility model.

Fig. 2 is clavicle plate front view of the present utility model.

Fig. 3 is acromion plate front view of the present utility model.

1. clavicle plate, 2. acromion plate, 3. swivel hook, 4. pin, 5. fixing screw hole, 6. pin hole slot in figure

Detailed description of the invention

With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.

A kind of distal clavicle fracture dislocation reduction fixation device shown in Fig. 1, is dissected plate (1), acromion side dissection plate by clavicle side (2) composition, the semi-open swivel hook of the clavicle plate (3) of similar hinge hinge structure is loosely connected with acromion plate pin (4) buckle, Form three-dimensional amphiarthrosis, meet biomechanical principle, meet the physiological requirement of acromioclavicular joint all directions fine motion.

During operation, first lay acromion plate (2) so that pin (4) occupy in the middle part of acromioclavicular joint gap, use screw by fixed plate with Acromion is fixed；Select appropriate length clavicle plate (1), swivel hook (3) is hooked on acromion plate pin (4), inwardly descends rotary push Clavicle far-end resets and fixes with clavicle with screw, then repairs ligament, completes operation.As being clavicle comminuted fractures of distal, Using method is identical, simply clavicle far-end steel plate nail screw need to be utilized to fix broken bone piece the reduction of the fracture.

The undeclared part related in this utility model is same as the prior art.

Claims (4)

1. hinge-jointed acromion, clavicle dissect plate, a kind of human body acromioclavicular joint dislocation and distal clavicle fracture reduction fixation device, it is characterized in that: this hinge-jointed acromion, clavicle are dissected plate and had two parts composition, and one is that clavicle far-end outer 1/2 dissects fixed plate i.e. clavicle plate (1)；Another part is that acromion dissects fixed plate i.e. acromion plate (2)；Clavicle sheet material matter is medical stainless steel or titanium alloy, outer 1/2 anatomic form of its monnolithic case equivalent clavicle, designs 3～5 screw holes (5) according to length, and its outer end is designed as semi-open swivel hook (3) by hinge means；Acromion sheet material matter uses medical high crosslinked polyethylene, monnolithic case is according to acromion surface four limit structure the most in echelon, longer axis parallel acromion sagittal plain, design screw fixed hole 3～4 and pin slide opening groove (6), its medial part is designed as pin shape (4) by hinge means, docks with clavicle plate outer end swivel hook (3) buckle.

Hinge-jointed acromion the most according to claim 1, clavicle dissect plate, it is characterized in that: two pieces of fixed plate materials select metal and high crosslinked polyethylene respectively.

Hinge-jointed acromion the most according to claim 1, clavicle dissect plate, it is characterized in that: acromion plate and clavicle plate, produce respectively, and during operation, combination is installed.

Hinge-jointed acromion the most according to claim 1, clavicle dissect plate, it is characterized in that: acromion plate and clavicle sheet material matter are all selected as medical high cross-linking polyethylene materials or metal outsourcing polyethylene.