Prosthesis with highly convoluted surface

Details Prosthesis with highly convoluted surface Prosthesis with highly convoluted surface

1993-06-10

1994-11-29

Beck, Shrive

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Implantable permanent prosthesis

427190, 427191, 4273768, B05D 302, A61F 228

Patent

active

053688813

ABSTRACT:
A technique for producing a highly convoluted surface on a prosthetic device is achieved by applying a layer of aspherical metallic powder on the surface of the device. The metallic powder, which may be the same as or different from the material of the device, is applied in a thickness of up to approximately 200 microns and has a size range of approximately -80 to +635 mesh so as to result in a surface roughness defined by a peak to valley variation of up to approximately 200 microns. A resulting device has an enhanced surface which provides, alternatively, an improved press fit into a receiving bone, or improved cement fixation, or improved reception of a ceramic coating.

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Derwent Abstract 48910 of J 0 1265954, Oct. 1989, Kobe Steel KK.
Derwent Abstract 48612 of JA 0279249, Dec. 1986, Sumitomo Elec. Ind. KK.

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