CN205322466U

CN205322466U - Connective bar of excellent system of nail of chest fracture of lumbar vertebra way of escape wicresoft

Info

Publication number: CN205322466U
Application number: CN201620027250.9U
Authority: CN
Inventors: 邓宇; 官建中; 吴敏; 胡廷军
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-03
Filing date: 2016-01-03
Publication date: 2016-06-22
Anticipated expiration: 2026-01-03

Abstract

The utility model provides a connective bar of excellent system of nail of chest fracture of lumbar vertebra way of escape wicresoft, characterized by connective bar establish to T type stick, and the stick of giving first place to (1) is established to T type stick distal end, and the near -end is equipped with T type handle (2), main excellent end is equipped with awl point (3), and the near -end is equipped with spacer (4), arcuate arm (5) are established to T type handle, and main stick is equipped with the connective bar from mark of break (6) with the arcuate arm junction. Above -mentioned system piece size does: T type stick diameter 6 -8mm, long 40 -450mm, spacer diameter 8 -10mm, thickness 1 -2mm, arcuate arm radian 0 -45, T type stick establish to excellent two kinds of hollow T type stick and solid T type. The utility model has the advantages of: 1 the utility model provides a design of T type stick is favorable to the main stick of prevention rotatory. It is dark that the design spacer is favorable to preventing main stick to insert. The connective bar is from the mark of break design T type handle that is favorable to autotomying. Arcuate arm arc design is favorable to preventing main stick to insert muscle blockking. 2, the design of T type stick is two kinds of selections that are favorable to the connective bar diameter of hollow T type stick and solid T type stick.

Description

A kind of pitman of lumbar vertebra compression fracture way of escape Wicresoft nail-stick system

Technical field

This utility model is applied to clinical orthopaedics, is the internal fixation system of a kind of lumbar vertebra compression fracture, belongs to medical device。It applies to human body thoracic vertebra, lumbar vertebra posterior longitudinal ligament completely unstable fracture closed reduction internal fixation apparatus。The application of this equipment, is namely conducive to alleviating operation wound, advantageously reduces again operation and hospital stays。

Background technology

The Therapeutic Method of lumbar vertebra compression fracture, in development, varies。Roy-Camille etc. started to apply pedicle screw in 1961 and steel plate carries out in lumbar vertebra compression fracture fixing。Through semicentennial clinical practice and multicenter study analysis, it is believed that Pedicle Screw Fixation For Treatment of Thoracolumbar Fracture is effective。Fracture or dislocation system also to pedicle screw-rod system evolution by nail-plate。Operation wound improves also with internal fixation system and surgical proficiency level improves and reduces。At present, pedicle screw-rod system has become the main flow of Thoracolumbar disk unstable fracture Posterior fixation treatment。Pedicle screw-rod system can provide stable interior fixing for lumbar vertebra compression fracture, controls the revolving force of fracture well, effectively struts the vertebral body of compression, recovers Stability Analysis of Structures between vertebral body。Along with the proposition of BO theory, fix in unstable lumbar vertebra compression fracture and reset to closure reset transformation by opening, in order to alleviate soft tissue injury。But, it is thus achieved that with maintain Thoracolumbar disk closed reduction be extremely difficult。Existing relevant internal fixation apparatus occurs on the market now, but still haves much room for improvement。We devise a kind of lumbar vertebra compression fracture way of escape Wicresoft nail-stick system, are namely conducive to alleviating operation wound, advantageously reduce again operating time。

Utility model content

The purpose of this utility model is the deficiency in order to overcome existing lumbar vertebra compression fracture fracture or dislocation equipment, it is provided that a kind of effective internal fixation apparatus。Namely this novel system is conducive to alleviating operation wound, advantageously reduces again operating time。It is Thoracolumbar disk unstable fracture, the optimum selection of the complete patient of posterior longitudinal ligament。

To achieve these goals, this utility model adopts the following technical scheme that:

The pitman of a kind of lumbar vertebra compression fracture way of escape Wicresoft nail-stick system, is characterized in that pitman is set to T-bar, and T-bar far-end is set to main rod (1), and near-end is provided with T-shaped handle (2)；Main rod end is provided with cone point (3), and near-end is provided with spacer (4)；T-shaped handle sets arched arm (5), and main rod and arched arm junction are provided with pitman from mark of break (6)。

Said system part is sized to: T-bar diameter 6-8mm, long 40-450mm；Spacer diameter 8-10mm, thickness 1-2mm；Arched arm radian 0-45 °, T-bar is set to hollow T-bar and solid T-bar two kinds。

Operation principle of the present utility model is: anaesthetize after successfully, and patient takes prone position on Orthopedic operation bed, routine disinfection drape。" C-arm " Fluoroscopy location hinders vertebra, guide pin is inserted through neighbouring vertebral body pedicle of vertebral arch superior articular process and transverse process intersection, cut entrance skin 2cm, insert ductal ectasia, and place hollow screw tap along guide pin, carry out tapping, application hollow pedicle crow-bar fixed reset sleeve implants long-tail pedicle nail with long-tail pedicle nail through guide pin, reset system distraction reduction fracture outside percutaneous, rotated arm inserts T-bar guide pin in pedicle nail tail, inserts T-bar through this guide pin。T-bar main rod pre-bending as required。Spacer controls the main rod degree of depth。It is screwed into the head of a nail respectively and locks。Remove the system that resets outside skin。Fracture pedicle nail long-tail and T-shaped handle。Check dressing system, close otch and wrap up。Omnidistance operation under " C-arm " monitors。

Beneficial effect:

One, safety: percutaneous inserts pedicle nail need not appear paraspinal muscle by otch。Omnidistance operation under " C-arm " monitors, inserts guide pin through hindering the neighbouring vertebral body pedicle of vertebral arch superior articular process of vertebra with transverse process intersection, will not injured nerve, blood vessel。

Two, effectiveness: having at present multiple lumbar vertebra compression fracture way of escape Wicresoft system on the market, clinical practice is extensive。Native system improves on existing internal fixation system basis, it is adaptable to Thoracolumbar disk unstable fracture, and the patient that posterior longitudinal ligament is complete。Namely this novel system is conducive to alleviating operation wound, advantageously reduces again operating time。

The utility model has the advantage of:

1, this utility model provides T-bar design to be conducive to preventing main rod to rotate。It is deep that Design Orientation sheet is conducive to preventing main rod to insert。Pitman is conducive to, from mark of break design, T-shaped handle of autotomying。Arched arm cambered design is conducive to preventing main rod to insert muscle to be stopped。

2, T-bar is designed as hollow T-bar and solid T-bar two kinds is conducive to the selection of pitman diameter。

Accompanying drawing explanation

Fig. 1 is this utility model pitman front view。

Fig. 2 is the birds-eye perspective of Fig. 1。

Fig. 3 is Fig. 1 left view。

Icon: (1) main rod, (2) T-shaped handle, (3) cone point, (4) spacer, (5) arched arm, (6) pitman are from mark of break。

Detailed description of the invention

As shown in Figure 1, Figure 2, Figure 3 shows, the pitman of a kind of lumbar vertebra compression fracture way of escape Wicresoft nail-stick system, it is characterized in that pitman is set to T-bar, T-bar far-end is set to main rod (1), and near-end is provided with T-shaped handle (2)；Main rod end is provided with cone point (3), and near-end is provided with spacer (4)；T-shaped handle sets arched arm (5), and main rod and arched arm junction are provided with pitman from mark of break (6)。

Claims

1. a pitman for lumbar vertebra compression fracture way of escape Wicresoft nail-stick system, is characterized in that pitman is set to T-bar, and T-bar far-end is set to main rod (1), and near-end is provided with T-shaped handle (2)；Main rod end is provided with cone point (3), and near-end is provided with spacer (4)；T-shaped handle sets arched arm (5), and main rod and arched arm junction are provided with pitman from mark of break (6)。

2. the pitman of lumbar vertebra compression fracture according to claim 1 way of escape Wicresoft nail-stick system, is characterized in that: T-bar diameter 6-8mm, long 40-450mm；Spacer diameter 8-10mm, thickness 1-2mm；Arched arm radian 0-45 °。

3. the pitman of lumbar vertebra compression fracture according to claim 1 way of escape Wicresoft nail-stick system, is characterized in that: T-bar is set to hollow T-bar and solid T-bar two kinds。