Instrumentarium for repositioning and fixing petrochanterous and

Details Instrumentarium for repositioning and fixing petrochanterous and Instrumentarium for repositioning and fixing petrochanterous and

1990-10-24

1992-08-04

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 67, A61B 1758

Patent

active

051355272

ABSTRACT:
An insert member of use in an impact hole leading into a medullary canal of a bone for treating a fracture by insertion of at least one bone nail into the medullary canal is disclosed. The insert member has a guide channel for receiving the proximal end of the bone nail, lateral openings and a pin for fixing the insert member in the impact hole, and a closure member for the proximal end of the guide channel. The closure member includes an abutment for the proximal end of the bone nail which allows limited reverse movement of the proximal end of the bone nail within the guide channel. The abutment may be a separate member attached to the closure member by a spring or the abutment may be a shaped projection extending forwardly from the closure member.

REFERENCES:
patent: 4712541 (1987-12-01), Harder et al.
patent: 4805607 (1989-02-01), Engelhardt et al.
patent: 4915092 (1990-04-01), Firica et al.

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