Adjustable acetabular cup prosthesis as part of a total cup repl

Details Adjustable acetabular cup prosthesis as part of a total cup repl Adjustable acetabular cup prosthesis as part of a total cup repl

1984-06-01

1987-07-21

Apley, Richard J.

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

Implantable prosthesis

Bone

A61F 234

Patent

active

046815899

ABSTRACT:
A total hip joint prosthesis including an acetabular cup implant of a construction permitting an initial adjustable disposition for optimum articulation with a prosthetic femoral ball mounted on a femoral prosthesis within a usual cup implant, the implant is of a trapezoidal or truncated cone shape, and external fins and a porous surface are provided to facilitate an initial and long-term positional fixation in the user, and to compensate for physiological bone changes over an extended period of time. The porous surface is preferred but an option is to use a plain surface implant used as a "press-fitted" device.

REFERENCES:
patent: 3641590 (1972-02-01), Michele
patent: 3840904 (1974-10-01), Tronzo

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