Original document(7 pages)  中文版
    The invention belongs to the special screw of fixing the fracture of bone around arm or leg joint and its operation instrument. It is composed of screw tie rod, fixing cap, hollow bolt set, enclosed hollow sleeve, location core rod, hollow drill, triangular wring cutter and special screw. Whenever operation is taking place, only a small opening of the diameter 0.5-1cm. need to be opened on the defected position where an enclosed hollow sleeve can be inserted, then the kirschmer pins are inserted. Under the guiding effect of location of steel needle, a series of operation is completed. Finally, the screw is screwed in accurately to fix up the fratured pieces of bone.
Application Number
91107383 Application Date
Title 名称 Special screw of fixing fracture through skin and operation apparatus thereof
Publication Number
1066381 Publication Date
Approval Pub. Date Granted Pub. Date
International Classification 分类号 A61B17/58
Applicant(s) Name
Shanghai Bone Fracture Research Inst.
Address 地址 200025
Inventor(s) Name 发明人 Lu Chenzhao, Zhang Haisheng
Attorney & Agent 代理人 FU WENYUAN

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