Patent ID: 7335231
Filing Date: 2008-02-26
Classification: A61F

Abstract:
1. A containment system comprising: (a) a shell, the shell comprising a cavity and an outside surface and including at least one opening on the outside surface providing access to the cavity; (b) a liner, the liner comprising: (c) an implant stem head, the implant stem head comprising: (d) a separate femoral stem component which may be inserted into the cavity of the implant stem head, wherein the shell may be received by an acetabulum, and wherein the liner may be received in the cavity of the shell, and wherein the web allows the implant stem head to be inserted into the cavity of the liner when the implant stem head is oriented in the first orientation and constrains the implant stem head within the cavity of the liner when the implant stem head is oriented in a second orientation such that the implant stem head may articulate within the liner but cannot be removed from the liner once it is attached to the stem.