Knee prosthesis with adjustable centro-medullary stem

A prosthesis of the knee comprising a biocompatible plate means having a slideway having a bottom wall, a groove extending along said slideway, a plurality of spaced impressions in said bottom wall, a bushing having a base, said base being slideably receivable within said slideway so as to be engageable within said groove, a bore extending through said bushing and having a tapped portion, a centro-medullary stem having an end and a threaded portion, and threaded portion being securable to said tapped portion of said bushing so as to retain said end of said centro-medullary stem within one of said impressions to thereby secure said centro-medullary stem relative to said plate means.