Patent ID: 7160328
Filing Date: 2007-01-09
Classification: A61F

Abstract:
1. A medical procedure, comprising: providing a prosthesis which includes (i) a body portion having a rear surface and a bearing surface, and (ii) an anchor peg including a shaft extending from said rear surface of said body portion, wherein said shaft includes a first shaft portion and a second shaft portion, and wherein said anchor peg includes a plurality of outwardly extending fins secured to said first shaft portion, and further wherein said plurality of outwardly extending fins each possesses a first diameter; creating an anchor hole in a natural bone so as to define an anchor hole sidewall, said anchor hole possessing a second diameter which is less than said first diameter; and positioning said anchor peg within said anchor hole so that: wherein said first shaft portion of said shaft of said anchor peg possesses a third diameter, wherein said second shaft portion of said shaft of said anchor peg possesses a fourth diameter, and wherein said fourth diameter is greater than said third diameter.