Replacement of bearing surfaces for hip prosthesis

Details Replacement of bearing surfaces for hip prosthesis Replacement of bearing surfaces for hip prosthesis

A - Human Necessities

61

F

A61F 2/32 (2006.01) A61L 27/30 (2006.01) A61F 2/00 (2006.01) A61F 2/30 (2006.01) A61F 2/34 (2006.01) A61F 2/36 (2006.01) A61F 2/46 (2006.01)

Patent

CA 2411672

A hip replacement prosthesis comprises a stem (4), a femoral head (5) and an acetabular shell (1) having a polyethylene liner (3), the liner (3) having become worn or damaged. The replacement method comprises removing the liner (3) and replacing it with a hard surface liner (6), securing it to the acetabular shell (1), the hard surface liner (6) being shaped to fit the femoral head (5). The method is carried out without disrupting the fixing of the stem (4) and/or the acetabular shell (1).

L'invention concerne un procédé permettant la restauration d'une prothèse de remplacement de la hanche, dans laquelle la prothèse comprend une tige, une tête de fémur and an acetabular shell having a polyethylene liner, the liner having become worn or damaged. The method comprises removing the liner and replacing it with a hard surface liner, securing it to the acetabular shell, the hard surface liner being shaped to fit the femoral head. The method is carried out without disrupting the fixing of the stem and/or the acetabular shell.

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