Artificial bone and method for producing the same

Details Artificial bone and method for producing the same Artificial bone and method for producing the same

2011-01-18

2011-01-18

Xu, Ling (Department: 1784)

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Making porous product

C428S307300, C623S023550, C419S023000, C419S034000

Reexamination Certificate

active

07871561

ABSTRACT:
An artificial bone which is excellent in the ability to form bone in a living body, reliably thereof, and has high mechanical strength. The process comprises the steps of: mixing granules, composed of a titanium or a titanium alloy powder and an organic binder, with a particulate pore-forming material, pressure-molding the mixture to obtain a molded body, firing the molded body at 1200° C. to obtain a porous body, bringing the porous body into contact with an aqueous alkali solution, subsequently with water of 35° C. or higher for a period longer than that of contacting with the aqueous alkali solution and then heating the porous body at 100 to 650° C., preferably 200 to 600° C.

REFERENCES:
patent: 2006/0122708 (2006-06-01), Nakamura et al.
Asahina, T. et al., “Method for Manufacturing High-Strength Porous Body,” Patent Abstracts of Japan, JP. No. 2002-285203, Published on Oct. 3, 2002.
Fujibayashi, S. et al., “Osteoinduction of Porous Bioactive Titanium Metal,” Biomaterials, vol. 25, pp. 443-450, (2004).
Wen, C. E. et al., “Novel Titanium Foam for Bone Tissue Engineering,” J. Mater. Res., vol. 17, No. 10, pp. 2633-2639, (Oct. 2002).
Asahina, T. et al., “Porous Body for Impact Absorption, and its Manufacturing Method,” Patent Abstracts of Japan, JP. No. 2003-171704, Published on Jun. 20, 2003.
Matsuno, N. et al., “Production of Porous Body Having Excellent Osteoaffinity,” Patent Abstracts of Japan, JP. No. 03-049766, Published on Mar. 4, 1991.
Kumagai, M. et al., “Titanium Aluminide Material Having Excellent Bioadaptability,” Patent Abstracts of Japan, JP. No. 05-269195, Published on Oct. 19, 1993.
Kawatani, Y. et al., “Implant Member,” Patent Abstracts of Japan, JP. No. 06-154257, Published on Jun. 3, 1994.
Kokubo, T. et al., “Titanium Oxide/Organic Polymer Composite Suitable as Artificial Bone and The Like,” Patent Abstracts of Japan, JP. No. 2002-327079, Published on Nov. 15, 2002.

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