CN209074839U - Anatomical form bone fracture plate for greater tubercle of humerus - Google Patents

Abstract

A kind of anatomical form bone fracture plate for greater tubercle of humerus is spoon shape structure, and including the head being wholely set and cadre, head is equipped with multiple lock holes and sewing hole；Wherein lock hole includes multiple upper end lock holes and multiple lower end lock holes again, the center line of each upper end lock hole is parallel to each other, the center line of each lower end lock hole is also parallel to each other, the center line direction of lower end lock hole is tilted down relative to the center line direction of above-mentioned upper end lock hole, with upper end lock hole centerline direction in the vertical and horizontal direction all at angle, to increase lock-in range, it is fixed on a large scale as much as possible conducive to across the upper end lock screw of upper end lock hole and lower end lock hole and lower end lock screw, since the implant angle of each lock screw is different, fracture of greater tuberosity of humerus can be fixedly secured, reach preferably fixation for treatment effect, and lock screw is not easy.

Description

Anatomical form bone fracture plate for greater tubercle of humerus

Technical field

The present invention relates to the technical field of orthopaedics implant, specifically a kind of anatomical form bone fracture plate for greater tubercle of humerus.

Background technique

As a part of proximal humeral fracture, fracture of greater tuberosity of humerus be it is very common, especially in senile fracture, the upper arm Proximal bone incidence of fracture ranked third position, be only second to fracture of distal radius and Hip Fracture, it is close that fracture of greater tuberosity of humerus accounts for humerus The ratio of end fracture is up to 1/3, accounts for about the 1%~1.5% of whole body fracture.

Greater tubercles of humerus is the important component of proximal humerus, it is in preceding inside using the intertubercular groove of humerus as boundary and humerus Lesser tubercle is adjacent, it is rear on it is adjacent as boundary with humerus head using anatomical neck of humerus, under it is adjacent with humeral shaft with humeral shaft epiphysis engaging portion, And it is the supraspinatus of abduction shoulder joint and the attachment point of teres minor respectively from top to bottom.

Fracture of greater tuberosity of humerus is mostly caused by direct or indirect violence, and treatment in time, correctly mostly can be with rehabilitation, if but affecting adversely The state of an illness or malpractice then may cause shoulder joint partial loss of function.

Fracture of greater tuberosity of humerus clinic is based on conservative therapy, but patient heavier for degree of fracture, can be using operation Internal fixation.Because it can achieve anatomical reduction, to restore the function of shoulder joint to greatest extent.It is solid at present There are many fixed method, such as plain screw, bioabsorbable interference screw, internal fixation steel plate, but with extensive, the interior fixed hand of clinical application Postoperative complication is more, be mainly manifested in fixing intensity not enough, the more stimulation soft tissue of implants incisura, postoperative major tubercle bone Folding displacement and axillary nerve injury etc. again.

How to invent and be related to the bone plate of fixed greater tubercles of humerus, allows it to adapt to fracture of greater tuberosity of humerus, and energy Fixed effect in enough reaching preferable, is a technical problem that technical personnel in the field need to solve at present.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of anatomical form bone fracture plate for greater tubercle of humerus.

The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that

Anatomical form bone fracture plate for greater tubercle of humerus of the invention is spoon shape structure, including the head being wholely set and cadre, In head constitute spoon head part, and cadre constitute kettleholder part；The head is equipped with multiple lock holes and sewing hole；Wherein lock Determining hole again includes multiple upper ends lock hole and multiple lower end lock holes, and the center line of each upper end lock hole is parallel to each other, each lower end The center line of lock hole is also parallel to each other, center of the center line direction of lower end lock hole relative to above-mentioned upper end lock hole Line direction tilts down；Any upper end lock hole center line institute in vertical plane, the center line of lower end lock hole Projection and the centreline space angle of the upper end lock hole are 15 °~30 °, and horizontal where the center line of any upper end lock hole In plane, the center line projection of lower end lock hole and the centreline space angle of the upper end lock hole are 20 °~35 °.

The present invention can also use following technical measures:

The center line corresponding direction of each upper end lock hole is perpendicular to humerus articular surface.

The synthetism face entirety indent on the head and to side reverse, synthetism face and greater tubercles of humerus outside mutually attach.

The cadre of the bone plate is equipped with locking compress hole.

Sewing hole is arranged in the outer on the head, and sewing hole setting is in lock hole periphery.

The sewing hole is uniformly arranged on head.

The bone plate is titanium alloy material.

The advantages and positive effects of the present invention are:

In anatomical form bone fracture plate for greater tubercle of humerus of the invention, head is in curved surface, and such shape design is conducive to synthetism It is mutually attached on the outside of plate and greater tubercles of humerus, to play preferable therapeutic effect, the head of bone plate is equipped with multiple upper end lock holes With multiple lower end lock holes, and the angle between the center line of upper end lock hole and the center line and bone plate of lower end lock hole is not Together, the centerline direction of each upper end lock hole is parallel and vertically supports humerus articular surface, and lower end lock hole tilts down, with upper end Lock hole centerline direction is in the vertical and horizontal direction all at angle, to increase lock-in range, is conducive to lock across upper end The upper end lock screw and lower end lock screw for determining hole and lower end lock hole are fixed on a large scale as much as possible, due to each lock screw Implant angle it is different, fracture of greater tuberosity of humerus can be fixedly secured, reach preferably fixation for treatment effect, and lock screw is not Easily abjection.

Detailed description of the invention

Fig. 1 is the main view of anatomical form bone fracture plate for greater tubercle of humerus of the invention；

Fig. 2 is the side view of anatomical form bone fracture plate for greater tubercle of humerus of the invention；

Fig. 3 is the vertical sectional view of anatomical form bone fracture plate for greater tubercle of humerus of the invention in use state.

Description of symbols: 1- bone plate；The head 2-；3- cadre；The synthetism face 4-；The lower end 5- lock hole；The locking of the upper end 6- Hole；The lower end 7- lock screw；The upper end 8- lock screw；9- locking compress hole；10- locking compress screw；11- greater tubercles of humerus； 12- sewing hole.

Specific embodiment

Technical solution of the present invention is described in detail below by way of the drawings and specific embodiments.

The present invention provides a kind of anatomical form bone fracture plate for greater tubercle of humerus, and it is big that the structure design of the bone plate can adapt to humerus The different type of tubercle fracture, screw is not easy after fixing, and can be realized fixed effect in preferable, final to obtain preferably Therapeutic effect.

As shown in Figure 1 to Figure 3, the anatomical form bone fracture plate for greater tubercle of humerus of the utility model is spoon shape structure, bone plate 1 Including the head 2 being wholely set and cadre 3, head therein constitutes spoon head part, and cadre constitutes kettleholder part；The head Equipped with multiple lock holes and sewing hole.

Wherein lock hole includes multiple upper end lock holes 6 and multiple lower end lock holes 5, the center line of each upper end lock hole again It is parallel to each other, the center line of each lower end lock hole is also parallel to each other, and the center line direction of lower end lock hole is relative to above-mentioned The center line direction of upper end lock hole tilts down.

It with the setting direction of greater tubercles of humerus 11 in Fig. 3 is vertical in following description for the description convenient for direction and position Direction, the center line direction of upper end lock hole 6 is the setting direction of upper end lock screw 8 in figure, and the direction is and the upper arm The humerus articular surface of bone major tubercle is perpendicular, i.e., the centerline direction of upper end lock hole in figure is denoted as horizontal direction, vertical to pass through The plane for crossing any upper end locking centerline hole is vertical plane, and level is water by the plane of any upper end locking centerline hole Average face.

The center line direction of upper end lock hole is to lock across the lock hole and the upper end that greater tubercles of humerus is mutually fixed Determine the setting direction of screw, and the center line direction of lower end lock hole is mutually solid with greater tubercles of humerus across the lock hole The setting direction of fixed lower end lock screw.

Any upper end lock hole center line institute in vertical plane, the center line projection of lower end lock hole and the upper end The centreline space angle of lock hole is 15 °~30 °, i.e. between the projection of lower end lock screw shown in Fig. 3 and upper end lock screw Angle can be 15 °~30 °, actual angle is selected according to practical situations, can be 15 °, 20 °, 25 ° or 30 ° Deng；And where the center line of any upper end lock hole in horizontal plane, the center line projection of lower end lock hole and the upper end are locked The centreline space angle for determining hole is 20 °~35 °, and the angle between the projection of lower end lock screw and upper end lock screw can be 20 ° ~35 °, actual angle is selected according to practical situations, Ke Yiwei, 20 °, 25 °, 30 ° or 35 ° etc..

By being set as different angle, upper end lock screw and lower end lock screw is made to expand fixed range as much as possible, It is capable of providing preferable holding power in art, is able to achieve hence for classification of fracture such as boniness folded block fracture or comminuted fracture It is good fixed, reach preferably fixation for treatment effect, and lock screw is not easy in use, avoids to the secondary of patient Injury.

The whole indent in the synthetism face 4 on the head of anatomical form bone fracture plate for greater tubercle of humerus of the invention and default to side torsion Angle, such shape design is conducive to and mutually attaches on the outside of greater tubercles of humerus, to play preferable therapeutic effect；Synthetism face 4 Design by human body CT data analytical calculation, be all to be met body curve by a plurality of and be combined by longitudinal and transverse direction section, more Stick on and closes bone face.

As above, anatomical form structure refers to the structure of anatomical form bone fracture plate for greater tubercle of humerus according to the big CT data of human body humerus Bone surface fitting design obtains, and can also accurately be determined according to the practical anatomical data of clinical individual patient.

In the embodiment, in the outer on head, i.e., multiple sewing holes 12, sewing hole are uniformly arranged around the periphery of lock hole It is sutured for rotator cuff stop, each sewing hole is uniformly distributed convenient for postoperative sewing effect.

As above, the multiple sewing holes in head can penetrate G-needle when being implanted into bone plate in Fig. 1, be fixed temporarily convenient in art Operation.

Locking compress hole 9 is set on bone plate cadre 3, as that locking compress spiral shell can be arranged according to situation selection in art in Fig. 3 Nail 10 guarantees the pulling force to fracture end to carry out pressurization setting；Or selection locking, make anatomical form bone fracture plate for greater tubercle of humerus with Greater tubercles of humerus 11 keeps stable connection.

The bone plate of titanium alloy material can maximally reduce the rejection of patient.

The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though The right present invention has been described by way of example and in terms of the preferred embodiments, however, being not intended to limit the invention, any technology people for being familiar with this profession Member can be made a little change certainly or be modified into using the technology contents disclosed without departing from the scope of the present invention For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention Any simple modification, equivalent change and modification to the above embodiments, belong in the range of technical solution of the present invention.

Claims (7)

1. a kind of anatomical form bone fracture plate for greater tubercle of humerus, it is characterised in that: above-mentioned anatomical form bone fracture plate for greater tubercle of humerus is spoon shape Structure, including the head being wholely set and cadre, head therein constitutes spoon head part, and cadre constitutes kettleholder part；It is described Head is equipped with multiple lock holes and sewing hole；Wherein lock hole includes multiple upper end lock holes and multiple lower end lock holes again, respectively The center line of upper end lock hole is parallel to each other, and the center line of each lower end lock hole is also parallel to each other, the center line of lower end lock hole Direction is tilted down relative to the center line direction of above-mentioned upper end lock hole；In the center line of any upper end lock hole In vertical plane, the center line projection of lower end lock hole and the centreline space angle of the upper end lock hole are 15 °~30 ° for institute, And where the center line of any upper end lock hole in horizontal plane, the center line projection of lower end lock hole and the upper end lock hole Centreline space angle be 20 °~35 °.

2. anatomical form bone fracture plate for greater tubercle of humerus according to claim 1, it is characterised in that: the center of each upper end lock hole Line corresponding direction is perpendicular to humerus articular surface.

3. anatomical form bone fracture plate for greater tubercle of humerus according to claim 1 or 2, it is characterised in that: the synthetism face on head is whole In vivo it is recessed and to side reverse, synthetism face and greater tubercles of humerus outside mutually attach.

4. anatomical form bone fracture plate for greater tubercle of humerus according to claim 1, it is characterised in that: the cadre of bone plate is equipped with lock Surely it pressurizes hole.

5. anatomical form bone fracture plate for greater tubercle of humerus according to claim 1 or 4, it is characterised in that: the outer on head is arranged Sewing hole, and sewing hole setting is in lock hole periphery.

6. anatomical form bone fracture plate for greater tubercle of humerus according to claim 5, it is characterised in that: sewing hole is uniform on head Setting.

7. anatomical form bone fracture plate for greater tubercle of humerus according to claim 6, it is characterised in that: bone plate is titanium alloy material Matter.