Patent ID: 8702714
Filing Date: 2014-04-22
Classification: A61B

Abstract:
1. An instrument assembly for use in preparing a distal femur for receipt of an implant, said instrument assembly comprising: an intramedullary (IM) rod having an intramedullary portion and a valgus portion, said valgus portion including first and second substantially flat surfaces formed on opposing sides, said first and second substantially flat surfaces having a series of engagement members disposed thereon to provide a plurality of engagement positions, each said engagement position for use in fixing resection guides on said valgus portion at said engagement position, a first resection guide instrument having a body defining at least one drill aperture extending through the body and a pair of spaced apart rail members; and an IM rod mount slidingly engaged with the spaced apart rail members of the first resection guide, the IM rod mount defining an aperture that communicates with a slot defined by the spaced apart rail members of the first resection guide, said IM rod mount defining a channel sized and configured to slidably receive an IM engagement member configured to selectively engage and selectively lock on said valgus portion of said IM rod at said engagement positions via said engagement members when the valgus portion of the IM rod mount is received within the slot defined by the spaced apart rail members and within the aperture of the IM rod mount.