Prosthesis with orientable bearing surface

Details Prosthesis with orientable bearing surface Prosthesis with orientable bearing surface

1994-01-21

1996-02-06

Isabella, David

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

Implantable prosthesis

Bone

623 18, A61F 238

Patent

active

054893119

ABSTRACT:
A prosthesis (13) for implantation in a patient's bone (2) is provided which has a metal fixation member (10), a metal orienting member (20) secured to the fixation member (10) by a self-locking taper (15,24), and a plastic bearing (30) which is secured to the orienting member (20) in a predetermined orientation. By means of this structure, the plastic bearing (30) can be given a desired orientation with regard to the metal fixation member (10) independent of the orientation of the fixation member (10) with respect to the patient's bone (2). Also, replacement and/or reorientation of the bearing (30) are facility. The prosthesis (13) can be used to form the tibial component of an artificial knee joint.

REFERENCES:
patent: 4219893 (1980-09-01), Noiles
patent: 4678472 (1987-07-01), Noiles
patent: 5002578 (1991-03-01), Luman
patent: 5152796 (1992-10-01), Slamin
patent: 5194066 (1993-03-01), Van Zile
patent: 5282864 (1994-02-01), Noiles et al.
Translation of Patent No. 2,154,338 (Germany, May 17, 1973), Item No. 5 above.

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