Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Implantable prosthesis – Bone
Patent
1993-01-21
1994-10-25
Green, Randall L.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Implantable prosthesis
Bone
623 23, 623 18, A61F 232, A61F 236, A61F 230
Patent
active
053585330
ABSTRACT:
A sinterable coating for an implantable prosthesis is provided having 1) interstices into which tissue or bone can grow, and 2) increased surface roughness which provides enhanced initial press-fit fixation. The coating includes at least two sets of particles having different mean diameters. The sizes and numbers of particles are chosen so as to produce a matrix of smaller particles in which are embedded a lesser number of spaced-apart larger particles. The smaller particles provide support for the larger particles, and the larger particles stand proud of the smaller particles to provide the enhanced surface roughness.
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DeCarlo, Jr. Alfred F.
Noiles Douglas G.
Green Randall L.
Joint Medical Products Corporation
Klee Maurice M.
Nguyen Dinh X.
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