Patent ID: 8163029
Filing Date: 2012-04-24
Classification: A61B,A61F

Abstract:
1. A hip cup for use in hip prosthesis, said cup comprising: a shell comprising a body having a first portion and a second portion, the first portion having an inner periphery and an outer periphery, the outer periphery defining a hemisphere and having a first radius, the second portion has an inner periphery and an outer periphery, the outer periphery of the second portion extending from the equator of the first portion in a converging direction and creating a rim, the outer periphery of the second portion having a second radius that is equal to the first radius, wherein the inner periphery of the first portion is hemispherical and the inner periphery of the second portion extends from the equator of the inner periphery of the first portion and the inner peripheries of the first and second portion define a cavity, wherein the entire inner periphery of the second portion is defined by an internal wall which defines an opening into the cavity, and the entire internal wall is cylindrical or flared outwardly toward the rim of the second portion; and a liner to cooperate with the shell.