Hip joint prostheses and methods for manufacturing the same

Details Hip joint prostheses and methods for manufacturing the same Hip joint prostheses and methods for manufacturing the same

1996-04-30

1998-08-04

Simmons, David A.

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

Utilizing diverse solid particles

264221, 264225, 623 23, A61F 234, B22F 702, B29C 6702

Patent

active

057889163

ABSTRACT:
An implantable bone prosthesis, such as an acetabular shell, includes a bone engaging region that is made from a cast metal or metal alloy and an articulation surface that is formed of a ceramic material or a metal that is permanently attached to the metal bone engaging region. The bone engaging region of the prosthesis preferably includes a dampening mechanism to absorb some of the loading forces communicated to the acetabular cavity. The bone prosthesis is formed by a casting process from casting molds that are prepared using a three dimensional printing technique.

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