CN209678657U - A kind of orthopedic steel plate convenient for positioning - Google Patents

Abstract

The utility model relates to the field of medical instrument technology, and a kind of orthopedic steel plate convenient for positioning, including clavicle and positioning plate are disclosed, the outer surface of the clavicle is socketed with fixing sleeve, the outer surface of the fixing sleeve is provided with gap, and the fixing sleeve is provided with linking arm close to the side of gap.This is convenient for the orthopedic steel plate of positioning, it is made up of fixing sleeve, linking arm and coronoid process hook of the material of Ni-Ti memorial alloy, be conducive to be customized according to the skeletal shape and size of each sufferer, avoid the bad problem of universal fixation steel plate match result, realize the good purpose of identical performance；Location hole is opened up by setting positioning plate and on positioning plate, is conducive to the positioning of steel plate and bone, realizes the purpose convenient for positioning；By setting screw, the first anti-skid chequer, the second anti-skid chequer and Anti-slip cover, avoids and restore slow or second operation caused by steel plate movement, realize the purpose for being fixed conveniently and preventing displacement.

Description

A kind of orthopedic steel plate convenient for positioning

Technical field

The utility model relates to the field of medical instrument technology, specially a kind of orthopedic steel plate convenient for positioning.

Background technique

Acromioclavicular joint is one of 4 joints of omoplate band portion, its stability is mainly maintained by acromioclavicular ligament and coracoclavicular ligament, And coracoclavicular ligament is made of conoid ligament and trapezoid ligament, they have extremely important in terms of the vertical stabilization of acromioclavicular joint Biomechanical, the clinically fracture of coracoclavicular ligament normally results in dislocation of acromioclavicular joint, and malpractice will lead to shoulder lock Arthralgia and abnormal movement, in some instances it may even be possible to influence the strength of entire shoulder and upper limb and the flexibility of movement.

Clinically for the methods of surgical of dislocation of acromioclavicular joint up to more than 60, different reparations and internal fixation method With respective advantage and disadvantage.There is tension band wiring for its main fixed form of the treatment of dislocation of acromioclavicular joint both at home and abroad at present It is fixed, have the advantages that easy to operate low with expense, but it destroys acromioclavicular joint face and limits joint fine motion, Chang Yinqi shoulder The stiff and pain in joint is locked, and is easy to appear Kirschner wire abjection and pin site infection.Steel wire or titanium cable are fixed between beak lock, are used Steel wire or the fixed coronoid process of titanium cable and clavicle, while acromioclavicular ligament is repaired, stablized with reaching acromioclavicular joint, the disadvantage is that clavicle is in steel Have the tendency that shifting forward under the action of silk, and steel wire fracture is common complication.Beak lock screw, that is, screw fixation, be in Beak lock gap is fixed with forcing screw between beak lock, the same period repairs acromioclavicular ligament, the disadvantage is that screw can hinder shoulder blade and clavicle Synchronous rotary movement, postoperative common screw loosening or fracture.Clavicular hook plate fixation, which is that current clinic is the most commonly used, to be consolidated Determine mode, is to form leverage with the Interal fixation of clavicle distal end under acromion by passing through, clavicle is generated and continues and stablizes Pressure, correct dislocation of acromioclavicular joint, easy to operate, without repairing coracoclavicular ligament, most significant disadvantage is clavicle hook steel Under enough short insertion acromions of plate, increase gap internal volume under acromion, in shoulder abduction and upper act, tendon of supraspinatus muscle is in acromion Lower section collides with clavicle hook, rubs, and generates foreign body sensation and pain, seriously affects the functional training of shoulder joint early stage. Endobutton, that is, belt loop Interal fixation can physiological reconstruction trapezoid ligament and conoid ligament, and do not interfere gap under acromion, Patient it is postoperative can the good function of early ambulant, but such operation method is complicated for operation, and wound is larger, and needs to go in art It drills in coronoid process, has damage arteriovenous and the risk of brachial plexus nerve under clavicle.There are also coracoclavicular ligament reconstruction technology masters for remaining It to include adjacent to ligament displacement, self or allogeneic tendon grafting and artificial material reconstruction etc., but surgical procedure and its complexity, wound Greatly, costly, and ligament reconstructive later period anatomical reduction is often difficult to maintain, Yi Yinqi traumatic arthritis.

People can be summarized as two aspects to the design of dislocation of acromioclavicular joint modus operandi at present: 1, beak lock is fixed, and is passed through Coracoclavicular ligament is rebuild, normal spacing between coronoid process and clavicle is restored, promotes coracoclavicular ligament healing and corrects dislocation of acromioclavicular joint, it is aforementioned Bosworth screw fix, coracoclavicular ligament is rebuild, between beak lock titanium cable fix and Endobutton it is fixed belong to it is such solid Determine type.2, shoulder lock is fixed, and is that coracoclavicular ligament and shoulder lock are tough by forming stable, lasting pressure with acromion in clavicle distal end The reparation of band provides a no-station pole canopy, stable good healing environment, and foregoing clavicular hook plate fixes, Kirschner wire tension Band is fixed.

Marmem is a kind of material for undergoing and capable of being restored to original form after suitable thermal procession, memory Principle is the metal chilling for being processed into certain shapes at high temperature to get off (i.e. parent phase state shape), in low-temperature phase state (geneva Body phase) under plastically deformed into another shape, be then again heated to certain temperature, be restored to by martensite reverse transformation low Parent phase state shape before warm plasticity.The only Ultimum Ti of current most medical development prospect, clinical test channel syndrome It not only has excellent memory effect and superelastic properties, good mechanical property and high damping characteristic in fact, but also has Good biocompatibility, outstanding corrosion-proof wear, high fatigue resistance, low biological retrogression, and elasticity modulus It is close with people's bone, it is a kind of rare metal material with biological function.Vast is caused in such alloy of medical field The concern and interest of person.In recent years, the climax of Nitinol clinical application has at home and abroad been started, and has been showed powerful The impetus.Existing Ultimum Ti material has been widely used in orthopaedics, as niti-shaped memorial alloy patella fixator, centrum nail, Invasive lumbar fusion device, self-locking intramedullary nail etc., illustrate good therapeutic effect.But application Ultimum Ti material makes Dislocation of acromioclavicular joint inner fixing device has not been reported.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of orthopedic steel plate convenient for positioning, has identical property Can be good, convenient for positioning, being fixed conveniently and preventing displacement the advantages that, solves common fixation methods and is easy displacement and is not fixed firmly Problem.

(2) technical solution

To realize that above-mentioned identical performance is good, purpose convenient for positioning, being fixed conveniently and preventing displacement, the utility model is provided Following technical solution: a kind of orthopedic steel plate convenient for positioning, including clavicle and positioning plate, the outer surface of the clavicle are socketed with solid Fixed set, the outer surface of the fixing sleeve are provided with gap, and the fixing sleeve is provided with linking arm, the company close to the side of gap It connecing arm and is fixedly connected with coronoid process hook far from one end of fixing sleeve, the fixing sleeve offers fixation hole far from the side of linking arm, The outer surface of the fixing sleeve opens up fluted, and the groove is located at the top of fixation hole, the inside of clavicle offer with it is fixed The internal whorl of the screw hole of hole same diameter, the fixation hole and screw hole is connected with screw, the screw of the screw Cap offers the slot that turns of triangle, and the bottom of the screw is provided with the first anti-skid chequer, and the bottom of the groove is provided with The second anti-skid chequer compatible with the first anti-skid chequer.

Preferably, the inside of the positioning plate offers location hole, is provided with handle at the top of the positioning plate.

Preferably, the quantity, size and location of the location hole are adapted with the quantity of fixation hole, size and location.

Preferably, the tilt angle of the coronoid process hook is 35 degree to 50 degree, and the coronoid process hook is far from linking arm One end is socketed with Anti-slip cover.

Preferably, the cap nut thickness of the depth of the groove and screw is adapted.

Preferably, the material of the fixing sleeve, linking arm and coronoid process hook is Ni-Ti memorial alloy.

Preferably, the material of the Anti-slip cover is silica gel.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of orthopedic steel plate convenient for positioning, has following beneficial to effect Fruit:

1, fixing sleeve, the material of linking arm and coronoid process hook Ni-Ti memorial alloy should be passed through convenient for the orthopedic steel plate of positioning It is made, is conducive to be customized according to the skeletal shape and size of each sufferer, avoids universal fixation steel plate match result Bad problem realizes the good purpose of identical performance.

2, location hole should be opened up by setting positioning plate and on positioning plate, was conducive to convenient for the orthopedic steel plate of positioning The positioning of steel plate and bone avoids trouble caused by position inaccurate, realizes the purpose convenient for positioning.

3, the orthopedic steel plate of positioning should be convenient for, by the way that screw, the first anti-skid chequer, the second anti-skid chequer and Anti-slip cover is arranged, The effective fixation for being conducive to steel plate avoids and restores slow or second operation caused by steel plate movement, realizes and be fixed conveniently With the purpose for preventing displacement.

Detailed description of the invention

Fig. 1 is that the utility model faces the schematic diagram of the section structure；

Fig. 2 is the utility model side elevational cross-section structural schematic diagram；

Fig. 3 is the utility model positioning plate structure schematic diagram；

Fig. 4 is the utility model screw the schematic diagram of the section structure；

Fig. 5 is the utility model screw overlooking structure diagram.

In figure: 1 clavicle, 2 positioning plates, 3 fixing sleeves, 4 gap, 5 linking arms, 6 coronoid process hooks, 7 fixation holes, 8 grooves, 9 screws Hole, 10 screws, 11 turn slot, 12 first anti-skid chequers, 13 second anti-skid chequers, 14 location holes, 15 handles, 16 Anti-slip covers.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1 to Fig. 5 is please referred to, the utility model provides a kind of technical solution: a kind of orthopedic steel plate convenient for positioning, including Clavicle 1 and positioning plate 2, the inside of positioning plate 2 offer location hole 14, the quantity of location hole 14, size and location with fixation Quantity, the size and location in hole 7 are adapted, and positioning plate 2 is placed into clavicle upper surface, open up screw on clavicle 1 with favourable turn Hole 9, the top of positioning plate 2 are provided with handle 15, and the outer surface of clavicle 1 is socketed with fixing sleeve 3, and the material of fixing sleeve 3 is Ni-Ti The shape of memorial alloy, fixing sleeve 3 is made according to sufferer Bone CT scanning result, and Ni-Ti alloy is a kind of shape memory conjunction Gold, marmem are that the plastic deformation of itself can be automatically restored to the extraordinary of original-shape to close under a certain specific temperature Gold has good plasticity, and required temperature at 30-40 DEG C, omit by the contraction power intensity generated when it being made to return parent phase Higher than physiology coracoclavicular ligament intensity, and Ni-Ti alloy also has wear-resistant, anti-in addition to unique shape memory function The excellent characteristics such as burn into high-damping and super-elasticity, the outer surface of fixing sleeve 3 are provided with gap 4, fixing sleeve 3 close to gap 4 one Side is provided with linking arm 5, and linking arm 5 is fixedly connected with coronoid process hook 6 far from one end of fixing sleeve 3, and linking arm 5 and coronoid process hook 6 rise To fixed effect, the tilt angle of coronoid process hook 6 is 35 degree to 50 degree, and coronoid process hook 6 is socketed far from one end of linking arm 5 There is Anti-slip cover 16, fixing sleeve 3 offers fixation hole 7 far from the side of linking arm 5, and the outer surface of fixing sleeve 3 opens up fluted 8, Groove 8 is located at the top of fixation hole 7, and the inside of clavicle 1 offers the screw hole 9 with 7 same diameter of fixation hole, 7 He of fixation hole The internal whorl of screw hole 9 is connected with screw 10, and the depth of groove 8 and the cap nut thickness of screw 10 are adapted, screw What the cap nut of nail 10 offered triangle turns slot 11, and the bottom of screw 10 is provided with the first anti-skid chequer 12, the bottom of groove 8 Portion is provided with second anti-skid chequer 13 compatible with the first anti-skid chequer 12, and the first anti-skid chequer 12 and the second anti-skid chequer 13 can effectively be prevented Only screw 10 exits, and then influences fixed effect, and the material of fixing sleeve 3, linking arm 5 and coronoid process hook 6 is Ni-Ti memory Alloy, the material of Anti-slip cover 16 are silica gel.

The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.

When in use, CT scan first is carried out to sufferer shoulder, is modeled according to scan data, is produced using numerically-controlled machine tool At fixing sleeve 3 compatible with sufferer clavicle 1, linking arm 5, coronoid process hook 6 and positioning plate 2, with the direction along clavicle 1 trouble The incision of skin of person, and clavicle 1 is leaked out, screw hole 9 is opened up out on clavicle 1 using positioning plate 2, is connected to lock 3 sets of fixing sleeve On bone 1, coronoid process hook 6 is suspended to below coronoid process, it is with screw 10, fixing sleeve 3 and clavicle 1 is fixed, finally suture sufferer skin Skin.

In conclusion should be remembered by fixing sleeve 3, linking arm 5 and coronoid process hook 6 with Ni-Ti convenient for the orthopedic steel plate of positioning The material for recalling alloy is made, and is conducive to be customized according to the skeletal shape and size of each sufferer, avoids universal fixation The bad problem of steel plate match result realizes the good purpose of identical performance；By setting positioning plate 2 and on positioning plate 2 Location hole 14 is opened up, the positioning of steel plate and bone is conducive to, trouble caused by position inaccurate is avoided, realizes convenient for fixed The purpose of position；By setting screw 10, the first anti-skid chequer 12, the second anti-skid chequer 13 and Anti-slip cover 16, be conducive to steel plate has Effect is fixed, and is avoided and is restored slow or second operation caused by steel plate movement, realizes the mesh for being fixed conveniently and preventing displacement 's.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (7)

1. a kind of orthopedic steel plate convenient for positioning, including clavicle (1) and positioning plate (2), it is characterised in that: the clavicle (1) Outer surface is socketed with fixing sleeve (3), and the outer surface of the fixing sleeve (3) is provided with gap (4), and the fixing sleeve (3) is close to open-minded The side of mouth (4) is provided with linking arm (5), and the linking arm (5) is fixedly connected with coronoid process hook far from the one end of fixing sleeve (3) (6), the fixing sleeve (3) offers fixation hole (7) far from the side of linking arm (5), and the outer surface of the fixing sleeve (3) opens up Fluted (8), the groove (8) are located at the top of fixation hole (7), and the inside of clavicle (1) offers identical as fixation hole (7) straight The internal whorl of the screw hole (9) of diameter, the fixation hole (7) and screw hole (9) is connected with screw (10), the screw (10) cap nut offers turning slot (11) for triangle, and the bottom of the screw (10) is provided with the first anti-skid chequer (12), the bottom of the groove (8) is provided with compatible second anti-skid chequer (13) with the first anti-skid chequer (12).

2. a kind of orthopedic steel plate convenient for positioning according to claim 1, it is characterised in that: the positioning plate (2) it is interior Portion offers location hole (14), is provided with handle (15) at the top of the positioning plate (2).

3. a kind of orthopedic steel plate convenient for positioning according to claim 2, it is characterised in that: the number of the location hole (14) Amount, size and location are adapted with quantity, the size and location of fixation hole (7).

4. a kind of orthopedic steel plate convenient for positioning according to claim 1, it is characterised in that: coronoid process hook (6) incline Rake angle is 35 degree to 50 degree, and the coronoid process hook (6) is socketed with Anti-slip cover (16) far from the one end of linking arm (5).

5. a kind of orthopedic steel plate convenient for positioning according to claim 1, it is characterised in that: the depth of the groove (8) It is adapted with the cap nut thickness of screw (10).

6. a kind of orthopedic steel plate convenient for positioning according to claim 1 or 4, it is characterised in that: the fixing sleeve (3), The material of linking arm (5) and coronoid process hook (6) is Ni-Ti memorial alloy.

7. a kind of orthopedic steel plate convenient for positioning according to claim 4, it is characterised in that: the material of the Anti-slip cover (16) Matter is silica gel.