| http://www.w3.org/ns/prov#value | - A joint prosthesis for replacement of the hip joint in a human body comprising:a head portion formed for attachment to the acetabulum; a stem portion shaped for insertion into the medullary canal of the femur, said stem including a core, a plurality of elastomeric rings attaching about the circumference of said core at spaced intervals along the length thereof, and a plurality of spacer means form
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