BONE SUBSTITUTE MATERIAL AND PROCESS FOR PRODUCING THE SAME

Title:

BONE SUBSTITUTE MATERIAL AND PROCESS FOR PRODUCING THE SAME

Document Type and Number:

WIPO Patent Application WO/1995/013100

Kind Code:

A1

Abstract:

A bone substitute material comprising a base material comprising titanium or its alloy and, formed on the surface thereof, a coating containing a titanium oxide phase and a noncrystalline alkali titanate phase; and a process for producing the same by immering a base material comprising titanium or its alloy in an alkali solution and heating the material to temperature lower than the transition point of titanium or its alloy. The invention material comprises a titanium and apatite bonded to each other firmly, has both of the fracture toughness of titanium and the bioactivity of apatite, and is available at a low cost.

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Inventors:

KOKUBO TADASHI

Application Number:

PCT/JP1994/001885

Publication Date:

May 18, 1995

Filing Date:

November 07, 1994

Export Citation:

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Assignee:

FOUND PROMOTION IND SCIENCE (JP)

International Classes:

A61L27/30; A61L27/32; A61F2/00; (IPC1-7): A61L27/00

Foreign References:

JPH0373157A	1991-03-28
JPH0557010A	1993-03-09

Other References: