Acetabular cup prosthesis

Details Acetabular cup prosthesis Acetabular cup prosthesis

1988-10-07

1990-06-26

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

049368613

ABSTRACT:
The plastic cup-comprising member and the hemispherical shell of the two-part acetabular cup prosthesis are secured relative to one another in snap-fitted manner. The plastic member is centered and guided during pressing-in via a centering pin and concentric annular web on the plastic member. The annular web is also locally deformable so as to deform against a screw head during pressing-in without the annular web losing its centering guiding action.

REFERENCES:
patent: 4650491 (1987-03-01), Parchinski
patent: 4666450 (1987-03-01), Kenna
patent: 4792337 (1988-12-01), Muller

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