Patent ID: 7235106

Claim:
A distal stem component for a modular hip joint replacement system, with the modular hip joint replacement system including (i) the distal stem component, (ii) a proximal body assembly having a bore extending therethrough, said proximal body assembly having a first mating feature and a first flat, said first flat defined within the bore of the proximal body assembly, and (iii) a neck component having a second mating feature that mates with the first mating feature of the proximal body assembly, and (iv) a nut having an internally threaded portion, said distal stem component comprising: an elongate bone engaging portion configured for fixation within a prepared bore in a femur, said elongate bone engaging portion possessing a bowed configuration; and a proximal portion fixed in relation to said bone engaging portion and including (i) an externally threaded portion configured to meshingly engage with said internally threaded portion of said nut, (ii) a second flat defined on an exterior surface thereof and configured to abut said first flat when said proximal portion is received within said bore of said proximal body assembly, and (iii) an oval recess defined in a proximal end surface of said proximal portion.