Procedure for verifying prosthetic implant seating

Details Procedure for verifying prosthetic implant seating Procedure for verifying prosthetic implant seating

1988-10-04

1990-05-08

Isabella, David J.

Surgery

Instruments

Orthopedic instrumentation

623 66, 623 16, 606 80, A61F 504, A61F 228

Patent

active

049228986

ABSTRACT:
The present invention is in an apparatus and surgical procedure for fitting a hip prosthetic implant to a distal femur in a surgical procedure, replacing the femur neck and ball end. The present process is for testing to verify that a distal femur intramedullary channel is properly prepared to receive, in friction fitting engagement, the prosthetic implant. Which process is practiced utilizing an adapter that is for coupling to a square drive of a torque wrench. In checking for proper intramedullary channel preparation a torsional force is transmitted through the adapter to a rasp seating in the channel, which rasp is used to prepare that intramedullary channel, the torsional force application, to verify proper intramedullary channel preparation, which torque wrench through adapter is also to apply a torsional force to a prosthetic implant seated in that prepared intramedullary channel to verify a proper friction fit thereof.

REFERENCES:
patent: 4552136 (1985-11-01), Kenna
patent: 4576158 (1986-03-01), Boland
patent: 4642121 (1987-02-01), Kelly

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