Platinum enhanced alloy and intravascular or implantable medical devices manufactured therefrom
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United States of America Patent
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N/A
Issued Date -
Jan 23, 2003
app pub date -
Mar 28, 2002
filing date -
Jul 7, 2000
priority date (Note) -
Abandoned
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Abstract
A platinum enhanced radiopaque alloy particularly suitable for manufacture of implantable and/or intravascular medical devices. A stent is one preferred medical device which is a generally tubular structure that is expandable upon implantation in a vessel lumen to maintain flow therethrough. The stent is formed from the alloy which has improved radiopacity relative to present utilized stainless steel alloys. This alloy preferably contains from about 2 wt. % to about 50 wt. % platinum; from about 11 wt. % to about 18 wt. % chromium; about 5 wt. % to about 12 wt. % nickel and at least about 15 wt. % iron.
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