Patent ID: 6723129
Filing Date: 2004-04-20
Classification: A61F

Abstract:
A modular prosthesis, comprising:a stem member having an elongated bore and a threaded aperture defined therein, wherein (i) said stem member has a proximal end surface which has a post-receiving opening defined therein, (ii) said elongated bore extends between said post-receiving opening and said threaded aperture, and (iii) said elongated bore is continuously tapered from said post-receiving opening to said threaded aperture; and a neck member having (i) a neck body, (ii) a head-receiving support member secured to said neck body so as to extend outwardly therefrom, and (iii) a tapered post secured to said neck body so as to extend outwardly therefrom, wherein said tapered post is adapted to be received into said elongated bore of said stem member, wherein said neck member further includes an extension portion extending from said tapered post, wherein said extension portion includes (i) a threaded portion, and (ii) a non-threaded portion interposed between said threaded portion and said tapered post, wherein said non-threaded portion of said extension portion is positioned within said threaded aperture of said stem member when said neck member is secured to said stem member, and wherein said threaded portion of said extension portion is spaced apart from said threaded aperture of said stem member when said neck member is secured to said stem member.