Orthopedic implant with angled pegs

Details Orthopedic implant with angled pegs Orthopedic implant with angled pegs

2007-11-13

2007-11-13

Snow, Bruce (Department: 3738)

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

Implantable prosthesis

Bone

Reexamination Certificate

active

10729101

ABSTRACT:
An orthopedic implant, such as a tibial tray, includes a body having a bone contacting surface with at least one and preferably two pegs extending from the bone contacting surface. Each of the pegs has a longitudinal axis angled with respect to the bone contacting surface and also angled in at least one direction consisting of a medial-lateral direction, an anterior-posterior direction and an inferior-superior direction. In the case of the tibial tray, the pegs form a non-perpendicular angle with the bone contacting surface of the baseplate and are angled in both a posterior direction and a medial or lateral direction.

REFERENCES:
patent: 4986883 (1991-01-01), Taipale et al.
patent: 5207711 (1993-05-01), Caspari et al.
patent: 5593448 (1997-01-01), Dong
patent: 5871541 (1999-02-01), Gerber
patent: 6245110 (2001-06-01), Grundei et al.
Howmedica Surgical Techniques, The P.C.A. Total Knee System, Porous Coated Anatomic Surgical Technique, Hungerford et al., Howmedica, Inc. 1980, pp. 1-34, See pp. 19 and 22.

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