PT-CO BASED ALLOY FOR MEDICAL USE - TANAKA PRECIOUS METAL IND

Title:

PT-CO BASED ALLOY FOR MEDICAL USE

Document Type and Number:

WIPO Patent Application WO/2020/105570

Kind Code:

A1

Abstract:

The present invention pertains to an alloy for medical use that comprises Pt, Co, Cr, Ni and Mo. This alloy comprises 10-30 atm% inclusive of Pt, 20-31 atm% inclusive of Cr, 5-24 atm% inclusive of Ni, 4-8 atm% inclusive of Mo and the balance consisting of Co and unavoidable impurities, wherein the ratio of the Ni content (CNi) to the Pt content (CPt), i.e., CNi/CPt is not more than 1.5. The present invention is applicable not only to stents such as flow diverter stents but also to various medical devices such as catheters, embolization coils and guide wires.

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Inventors:

YADAV SHUBHAM (JP)
KATO YUYA (JP)
GOTO KENJI (JP)
SHIMA KUNIHIRO (JP)

Application Number:

PCT/JP2019/045003

Publication Date:

May 28, 2020

Filing Date:

November 18, 2019

Export Citation:

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Assignee:

TANAKA PRECIOUS METAL IND (JP)

International Classes:

A61K6/84; A61B17/12; A61F2/01; A61F2/06; A61F2/86; A61L29/02; A61L31/02; A61L33/02; A61M25/00; A61M25/09; A61N1/05; A61N1/372; C22C5/04; C22C30/00

Foreign References:

JP2015517035A	2015-06-18
JPH1043314A	1998-02-17

Other References: