Method and instruments for resection of the distal femur

Details Method and instruments for resection of the distal femur Method and instruments for resection of the distal femur

1988-09-22

1990-03-13

Hafer, Robert A.

Surgery

Instruments

Orthopedic instrumentation

606 88, A61B 1756

Patent

active

049075780

ABSTRACT:
The present invention relates to an improved method and instruments for a resection of the distal femur. The parent application discloses a femoral alignment guide/rod including a plate insertable within a guide slot in the resector which is also used for the guided insertion of a cutting tool. The present invention improves upon this structure by providing an auxiliary attachment member on the resector allowing attachment of a new femoral alignment guide/rod on the resector housing proximal to the cutting tool guide slot, which new guide/rod allows easier access to various resector components. In a further aspect, structure is provided allowing the use of the resector with an intramedullary rod to increase accuracy. In this aspect, a gauge is incorporated in the resector which allows compensation for the angle between the mechanical axis of the leg and the longitudinal extent of the internal cavity of the femur while also allowing compensation or correction for specific anatomical conditions such as, for example, valgus correction.

REFERENCES:
patent: 4457307 (1984-07-01), Stillwell
patent: 4474177 (1984-10-01), Whiteside
patent: 4487203 (1984-12-01), Androphy
patent: 4502483 (1985-03-01), Lacey
patent: 4524766 (1985-06-01), Peterson
patent: 4567885 (1986-02-01), Androphy
patent: 4646429 (1987-03-01), Kenna et al.
patent: 4653488 (1987-03-01), Kenna et al.
patent: 4703751 (1987-11-01), Pohl

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