Asymmetric condylar and trochlear femoral knee component

Details Asymmetric condylar and trochlear femoral knee component Asymmetric condylar and trochlear femoral knee component

1994-11-03

1998-03-17

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

A61F 238

Patent

active

057281629

ABSTRACT:
A surgical method for reducing post-operative knee failure in a knee undergoing arthroplasty by determining the pre-operative lateral displacement of the trochlear groove with respect to the femoral condyles, inserting a prosthetic implant with the condylar members having a lateral displacement which is a function of the determined pre-operative lateral displacement of the sulcus. The invention further includes an device which includes condyle members that are joined by an arched region, said region have a lateral displacement of between 1 mm and 15 mm with respect to said condyle members. The subject device addresses the problems of implant failure due to compressive force on the patella.

REFERENCES:
patent: 3748662 (1973-07-01), Helfet
patent: 3798679 (1974-03-01), Ewald
patent: 4178641 (1979-12-01), Grindei et al.
patent: 4462120 (1984-07-01), Ranbert et al.
patent: 4470158 (1984-09-01), Pappas et al.
patent: 4714472 (1987-12-01), Averill et al.
patent: 4770663 (1988-09-01), Hanslik et al.
patent: 4944756 (1990-07-01), Kenna
patent: 5133759 (1992-07-01), Turner

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