CN106037918A

CN106037918A - Scapular glenoid fracture closed reduction hollow screw fixing guide apparatus

Info

Publication number: CN106037918A
Application number: CN201610525000.2A
Authority: CN
Inventors: 陈巧杰; 庞清江; 陈良; 陈先军
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-01
Filing date: 2016-07-01
Publication date: 2016-10-26
Anticipated expiration: 2036-07-01
Also published as: CN106037918B

Abstract

The invention relates to a scapular glenoid fracture closed reduction hollow screw fixing guide apparatus. The scapular glenoid fracture closed reduction hollow screw fixing guide apparatus is characterized by comprising a foundation base, wherein the foundation base is in a plate-shaped structure, and at least one screw guide hole group is arranged on the foundation base; the screw guide hole group comprises first base points positioned on the lower surface of the foundation base and a plurality of second base points positioned on the upper surface of the foundation base and arranged at intervals, the second base points are respectively connected to the first base points, so that the through holes communicating the upper and lower surfaces of the foundation base are formed, the included angle alpha of the axis of each through hole and the crown-shaped face is 32-52 degrees, and the included angle between the axis of each through hole and the sagittal plane is 53-73 degrees. According to the scapular glenoid fracture closed reduction hollow screw fixing guide apparatus, the human anatomy statistical data is taken as the basis, so that the abundant trauma caused by large-area stripping is avoided; through the arrangement of the screw guide hole groups, the scapular glenoid fracture closed reduction hollow screw fixing guide apparatus can adapt to patients with different body forms, the operation of preparing one guide apparatus for each patient independently is not needed, therefore, the use is convenient, and the achievement ratio of the operation is high.

Description

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider

Technical field

The present invention relates to medical apparatus and instruments, refer specifically to a kind of fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider.

Background technology

The incidence rate of fracture of scapula is relatively low, accounts for the 3-5% of shoulder fractures, the 0.4-1% of whole body fracture.But it is at shoulder Portion's function is important, is to connect trunk and the important feature of upper limb.If dealing with improperly, the maimed person of patient's shoulder often can be caused.For a long time Since, the process of fracture of scapula exists arguement always, dissection and function mainly due to scapula are more complicated, and it participates in The mechanism of shoulder activity also has multiple theory, can be with guiding treatment and prediction still without a classification of fractures system the most perfect Result.In treatment, operation determines more of based on personal experience with nonoperative, and the clinical research that neither one is large-scale The relatively difference of the clinical effectiveness that distinct methods processes.Fracture of scapula majority can realize satisfactory results through expectant treatment.But For involving the intra-articular fracture of Scapula glenoid displacement, and the fracture affecting pectoral girdle stable still needs to operative treatment.

Conventional surgical screw has anterior lateral cervical approach and Posterior approach two ways, no matter anterior lateral cervical approach or Posterior approach, It is required to by shoulder abduction 70 °, from acromion along after spine of scapula traveling 2cm, along shoulder broad-mouthed receptacle for holding liquid with omoplate outer rim down to scapula Inferior horn does otch, and glass triangle flesh retracting from scapula, appears infraspinatus and teres minor, separates spatium intermusculare, exposes shoulder Shoulder blade and joint capsule, along scapula sur-face peeling to margin of scapula,external, cut capsula articularis humeri if desired, appear fracture site.So Rear just can squeeze into lag screw or Kirschner wire.

In scapula, lateral border is relatively thick, and upper limb sclerotin is thin and short, but has processus coracoideus to strengthen, and these three bone ridges are referred to as " three Post ".There are brachial plexus, shoulder blood vessel, cephalic vein in front；There are circumflex vessels, axillary nerve in lateral border trilateral foramen, Quadrilateral zone, revolve the upper arm Rear blood vessel passes through；There is Suprascapular artery neural under acromion.These structures add difficulty and the risk of open surgery.

Summary of the invention

The technical problem to be solved is that the present situation for prior art provides one to need not additionally do otch With carry out muscle stripping and the high fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider of success rate of operation.

The present invention solves the technical scheme that above-mentioned technical problem used: this fracture of the scapular glenoid cavity closed reduction hollow screw Fixed guider, it is characterised in that including that pedestal, described pedestal are plate-like structure, described pedestal is provided with least one set screw Pilot hole group；

Described screw pilot hole group includes the first basic point being positioned on the lower surface of described pedestal and is positioned at described pedestal Multiple spaced second basic point on upper surface, each described second basic point connects described first basic point respectively, is formed multiple The through hole of through described pedestal upper and lower surface, the axis of each described through hole and the angle α of coronalplane are 32～52 °, each described logical The axis in hole and sagittal angle β are 53～73 °.

Preferably, in each described screw pilot hole group, the quantity of the second basic point can be three, and each described through hole Axis is equal with sagittal angle β.

In view of practicality and the size of scapula position, described screw pilot hole group can have three groups, phase in each group The line of the second corresponding basic point is parallel to each other, and the axis of three through holes on every line is relative to the angle of coronalplane α is equal.

The width of described pedestal can be 1.5～2.5 centimetres, thickness is 1～1.5 centimetre, a length of 3～5 centimetres；Described The aperture of through hole 23 is 1～2mm.

Described α is preferably 32～52 °, and described β is preferably 58～68 °.

The handle facilitating operative doctor to grip can also be provided with on the side of described pedestal.

Compared with prior art, fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider provided by the present invention is with people It is foundation that body dissects statistical data, is studied by great amount of samples, and simulation glenoid cavity is in Coronal and the angulation of sagittal plain, for Guan Bi Reset hollow nail is fixing provides guide effect, and success rate of operation is high；And above the shoulder clavicle approach, it is to avoid traditional operation is wide General stripping, can be prevented effectively from blood vesssls and nerves injuries, and intraoperative hemorrhage is few, wound is little, and safety is high；And passing hole channel operates, Avoid nervus vasculairs, the most do not destroy the integrity of capsula articularis humeri, reduce the generation of postoperative ankle adhesion complication to greatest extent, Patient recovers fast；And the setting organizing screw pilot hole group so that this guider can the patient of adaptive multiple build, it is not necessary to. more Each patient is manufactured separately a guider, easy to use, low cost.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of the embodiment of the present invention；

Fig. 2 is the schematic perspective view that the embodiment of the present invention looks up direction；

Fig. 3 is the perspective view of the positive apparent direction of the embodiment of the present invention；

Fig. 4 is the perspective view (eliminating handle) in embodiment of the present invention side-looking direction.

Detailed description of the invention

Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.

As shown in Figures 1 to 4, this fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider includes:

Pedestal 1, for plate-like structure, the width of described pedestal 1 is 2 centimetres, thickness is 1 centimetre, a length of 4 centimetres.

Screw pilot hole group 2, has three groups, often group screw pilot hole group 2 include being positioned on the lower surface of described pedestal 1 the One basic point 21 and multiple spaced second basic point 22 being positioned on the upper surface of described pedestal 1, each described second basic point 22 It is respectively communicated with described first basic point 21, forms the through hole 23 of multiple through described pedestal upper and lower surface, through hole 23 in the present embodiment Aperture be 1mm.The line of the second basic point corresponding in each group is parallel to each other.

In first group of screw pilot hole group, the axis of three through holes 23 and the angle α 1 of coronalplane are 33.269 °, with arrow The angle in shape face is followed successively by β 1:61.284 °, β 2:64.857 ° and β 3:67.842 °；

In second group of screw pilot hole group, the axis of three through holes 23 and the angle α 2 of coronalplane are 38.9 °, with sagittal The angle in face is followed successively by β 1:61.284 °, β 2:64.857 ° and β 3:67.842 °；

In 3rd group of screw pilot hole group, the axis of three through holes 23 and the angle α 3 of coronalplane are 44.531 °, with arrow The angle in shape face is followed successively by β 1:61.284 °, β 2:64.857 ° and β 3:67.842 °.

Handle 3, connects on the side of seat pedestal 1, to facilitate operative doctor to grip.

In the preoperative, patient's shoulder joint carrying out CT scan, three-dimensional reconstruction, according to CT result, that calculates lag screw enters nail Position and angle；Pedestal is directly placed on the clavicle of shoulder, according to CT results of measuring in advance, at three groups of screw pilot holes In, lag screw can be successfully driven on Scapula glenoid by the suitable through hole of selected angle, it is not necessary to peel off joint capsule and Separate vital tissue around, it is to avoid wound that open surgery is brought and risk, it is ensured that success rate of operation.

Claims

1. fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider, it is characterised in that include pedestal (1), described pedestal (1) For plate-like structure, described pedestal (1) is provided with least one set screw pilot hole group (2)；

Described screw pilot hole group (2) includes the first basic point (21) being positioned on the lower surface of described pedestal (1) and is positioned at described Multiple spaced second basic point (22) on the upper surface of pedestal (1), each described second basic point (22) connects described respectively First basic point (21), forms the through hole (23) of multiple through described pedestal upper and lower surface, the axis of each described through hole and coronalplane Angle α be 32～52 °, the axis of each described through hole (23) and sagittal angle β are 53～73 °.

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider the most according to claim 1, it is characterised in that each institute Stating the quantity of the second basic point (22) in screw pilot hole group (2) is three, and the axis of each described through hole (23) and sagittal plane Angle β equal.

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider the most according to claim 1 and 2, it is characterised in that institute Stating screw pilot hole group (2) and have three groups, the line of the second basic point corresponding in each group is parallel to each other, and on every line The axis of three through holes (23) is equal relative to the angle α of coronalplane.

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider the most according to claim 3, it is characterised in that described The width of pedestal (1) is 1.5～2.5 centimetres, thickness is 1～1.5 centimetre, a length of 3～5 centimetres；The hole of described through hole (23) Footpath is 1～2mm.

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider the most according to claim 4, it is characterised in that described α Being 32～52 °, described β is 58～68 °.

Fracture of the scapular glenoid cavity closed reduction hollow screw fixed guider the most according to claim 5, it is characterised in that described The side of pedestal (1) is provided with the handle (3) facilitating operative doctor to grip.