Hinge type bone joint prosthesis

Details Hinge type bone joint prosthesis Hinge type bone joint prosthesis

A - Human Necessities

61

F

3/101

A61F 2/38 (2006.01) A61F 2/30 (2006.01)

Patent

CA 1140703

Abstract of the Disclosure A prosthesis for replacing a hinge type bone joint includes a first component having a body portion defining a plurality of generally semi-circular distal bearing surfaces extending therefrom and a proximally extending intramedullary canal stem. A second component has a body portion defining a convex posterior surface, a plurality of semi-circular grooves configured to matingly receive the distal bearing surfaces of the first component, and a distally extending intramedullary canal stem. The second component may further define a laterally positioned capitulum process having a distal surface adapted to be abutted against by the head of a radius bone upon implantation in cases where the prosthesis replaces an elbow joint. The first component defines an aperture and the second component includes a hook-like member adapted to detachably and hingingly interconnect the components in a slipfit fashion.

353776

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