Patent ID: 7887594

Claim:
A vertebral replacement body device, comprising: an upper member having a first end for engaging an endplate of an upper vertebral body and an opposite second end, said upper member defining a chamber extending between said first end and said second end; a lower member having a first end for engaging an endplate of a lower vertebral body and an opposite second end, said lower member defining a chamber extending between said first end and said second end; and a connecting member between said upper member and said lower member, said connecting member including a body having an upper end and a lower end, said connecting member further including an upper extension at said upper end of said body and a lower extension at said lower end of said body, said upper extension being positionable in said chamber of said upper member such that said upper member includes a non-circular interface with said connecting member and said lower extension being positionable in said chamber of said lower member such that said lower member includes a non-circular interface with said connecting member; wherein said connecting member includes a chamber extending therethrough, said chamber of said connecting member communicating with at least one of said chamber of said upper member and said chamber of said lower member, wherein: said vertebral replacement body has a longitudinal axis extending therethrough; said upper extension has a non-circular shape transverse to said longitudinal axis; said lower extension has a non-circular shape transverse to said longitudinal axis; said chamber of said upper member has a non-circular cross-sectional shape transverse to said longitudinal axis and said upper extension is received in said chamber in form fitting engagement with an inner wall surface of said upper member; and said chamber of said lower member has a non-circular cross-sectional shape transverse to said longitudinal axis and said lower extension is received in said chamber in form fitting engagement with an inner wall surface of said lower member.