A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/32 (2006.01) A61B 17/17 (2006.01) A61F 2/30 (2006.01) A61F 2/36 (2006.01) A61B 17/16 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2122076
ABSTRACT A femoral component for a hip prosthesis has a distal portion defining a central longitudinal axis. The component has a generally conically shaped mid-shaft portion and a proximal portion with a shape based on the reamer and a shaped chisel used by the surgeon to prepare the proximal metaphysis and medullary canal. The proximal portion is shaped in a manner wherein a cross-section taken perpen-dicular to the central axis has a medial side formed as a first circular arc, a comer of the cross-section formed by the posterior and lateral sides as a second circular arc with a center on the central axis. The posterior side is arcuate and concave andtangent to the first and second circular arcs, with the anterior side being arcuate and convex.
Dudasik Michael W.
Hedley Anthony K.
Hungerford David S.
Poggie Matthew P.
Hedley Anthony K.
Howmedica Inc.
Hungerford David S.
Smart & Biggar
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