Tibial prosthetic implant with offset stem

Details Tibial prosthetic implant with offset stem Tibial prosthetic implant with offset stem

1992-09-04

1993-12-21

Isabella, David

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

Implantable prosthesis

Bone

A61F 238

Patent

active

052717372

ABSTRACT:
A tibial prosthetic implant includes a base or base plate with an offset tibial stem. The base includes an inferior surface adapted to abut a resected surface of a patient's tibia and forms a base for articulating surfaces adapted to articulate with the patient's femoral condyles. The longitudinal center axis of the tibial stem extends from the inferior surface of the base and is offset from a center of the base. The offset places the stem in position to extend into the central canal of the tibia so that it does not substantially interfere with the cortical bone when the inferior surface of the base substantially abuts and aligns with the resected surface of the tibia.

REFERENCES:
patent: Re29757 (1978-09-01), Helfet
patent: 4205400 (1980-06-01), Shen et al.
patent: 4255439 (1980-08-01), Gold et al.
patent: 5137536 (1992-08-01), Koshino

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