Patent ID: 6096084
Filing Date: 2000-08-01
Classification: A61F

Abstract:
A modular, bone-preserving, conservative resurfacing arthroplasty ball and socket joint implant, comprising the following components:a ceramic and monolithic cupped ball head, said head having a generally semispherical, smooth external bearing surface and an inner support body with an inferior, deep, distally facing surface having an outer boundary thereto, said support body having a distally opening stem receiving bore centrally located therein; a part of said bearing surface and an inner surface defining a cup wall, extending distally from said support body from said outer boundary of said distally facing surface; anda stem, which is an elongated member having a distally directed spike, and a proximal stem cap, which is insertable into said bore of said head;wherein:said stem cap, is insertably and frictionally attached to said stem bore.