Implantable prosthesis having a coated porous surface

Details Implantable prosthesis having a coated porous surface Implantable prosthesis having a coated porous surface

A - Human Necessities

61

F

3/104

A61F 2/28 (2006.01) A61F 2/30 (2006.01) A61L 27/00 (2006.01) A61L 27/32 (2006.01) A61B 17/72 (2006.01) A61B 17/80 (2006.01) A61F 2/00 (2006.01) A61F 2/34 (2006.01) A61F 2/36 (2006.01) A61F 2/38 (2006.01)

Patent

CA 1258354

ABSTRACT An implantable prosthesis including a base member, such as the stem of a hip joint prosthesis, having a porous region on its surface, and the region of porosity being coated with a bioabsorbable material, such as .alpha.-tricalcium phosphate, which enhances permanent bone ingrowth into the region. A method of manufacture of the prosthesis includes the steps of providing a coating material and applying the material to at least a portion of the porous surface of the base member, while providing energy sufficient to transform the material to a state in which it is bioabsorbable. In the preferred embodiment the material is plasma sprayed onto the porous surface of the base member.

486965

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