Composition of porous element for biomaterial

Details Composition of porous element for biomaterial Composition of porous element for biomaterial

2005-02-22

2005-02-22

Sheehan, John P (Department: 1742)

Alloys or metallic compositions

Nickel base

Chromium containing

C075S415000, C148S428000, C264S628000, C419S002000, C428S613000

Reexamination Certificate

active

06858178

ABSTRACT:
A composition of a porous body for use as biomaterial according to the present invention is produced by adding Al (aluminum) in the amount of 0.1 to 3.0 atomic % to a porous composition consisting of titanium, nickel, iron and molybdenum, and it promotes the growth of living tissue and cells into pores. By the addition of Al to Ni, Ti, Fe and Mo, the temperature of formation of the liquid phase is lowered, and thus the diffusion of the constitutional elements of the composition is promoted, and the uniform distribution of the constitutional elements increases. As a result, the proportion of micropores in the porous body becomes increased to the extent that the distribution of micropores having the size in the range of 10−2μm˜10 μm is more than 5% in the metal bridge.

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patent: 5071437 (1991-12-01), Steffee
patent: 6632299 (2003-10-01), Harris
patent: WO 9416646 (1994-08-01), None
patent: WO 9819617 (1998-05-01), None

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