Patent ID: 8114079
Filing Date: 2012-02-14
Classification: A61B

Abstract:
1. An intramedullary nail assembly, comprising: an intramedullary shaft including (i) a lateral sidewall portion having a first lateral orifice structure that defines a first lateral opening and a second lateral orifice structure that defines a second lateral opening, and (ii) a medial sidewall portion having a first medial orifice structure that defines a first medial opening and a second medial orifice structure that defines a second medial opening; a first shaft extending through said first lateral opening and said first medial opening and spaced apart from said second lateral opening and said second medial opening, said first shaft having (i) a first head portion possessing a first engagement feature, and (ii) a first stem portion defining a first shaft axis; and a second shaft extending through said second lateral opening and said second medial opening and spaced apart from said first lateral opening and said first medial opening, said second shaft having (i) a second head portion possessing a second engagement feature, and (ii) a second stem portion defining a second shaft axis that is substantially parallel to said first axis, wherein said first engagement feature contacts said second engagement feature so as to inhibit axial movement of said first shaft with respect to said second shaft, and wherein said first stem portion is spaced apart from said second stem portion, wherein said first engagement feature includes a first set of external threads, wherein said second engagement feature includes a second set of external threads, and wherein said first set of external threads are meshingly engaged with said second set of external threads.