| 摘要 |
<p>A nonmodular prosthesis having a retainer for a modular bearing and a nonmodular primary bearing directly molded to the base. A nonmodular tibial prosthesis is provided with a mechanical release member (12) mounted on a tibial base (10) in contact with the nonmodular primary bearing (26). The release member includes a wedge portion (16) with a superiorly posteriorly inclined face, and is designed to be driven anteriorly upon actuation so as to force the primary bearing off of the tibial base, after which the primary bearing and release member are removed and replaced with a modular bearing.</p> |
