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Implant Pre-Treated For Reducing The Generation Of Wear Particulates, David A. Pienkowski, Kwon-Yong Lee
Implant Pre-Treated For Reducing The Generation Of Wear Particulates, David A. Pienkowski, Kwon-Yong Lee
Biomedical Engineering Faculty Patents
A method is provided for reducing the amount of wear particulates generated by a total joint orthopaedic implant. The implant consists of two matched articulating components wherein at least one of the components is made of polymer or other material with similar physical properties. The method includes the steps of placing the total joint orthopaedic implant in a fluid bath and articulating the implant in the fluid bath for at least 1,000 cycles. The articulation may be performed in three stages. In the first, the implant is articulated under a load of substantially 0.1-500 Newtons with sliding speeds of substantially …