US2014010703A1PendingUtilityA1

Tantalum-based metal alloys

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Assignee: HERAEUS PRECIOUS METALS GMBHPriority: Feb 10, 2003Filed: Jan 15, 2013Published: Jan 9, 2014
Est. expiryFeb 10, 2023(expired)· nominal 20-yr term from priority
Inventors:Jurgen WachterJens Trötzschel
C22C 27/00A61L 31/18A61L 27/50A61L 31/022C22C 30/00A61L 27/047C22C 27/02
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Abstract

The present invention relates to a medical device or implant made at least in part of a high-strength, low-modulus metal alloy comprising niobium, tantalum, and at least one element selected from the group consisting of zirconium, tungsten, and molybdenum. The medical devices according to the present invention provide superior characteristics with regard to biocompatibility, radio-opacity and MRI compatibility.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . A tantalum-based alloy consisting of 10 wt % Nb, 7.5 wt % W, and balance tantalum. 
     
     
         2 . A tantalum-based alloy consisting of 10 wt % Nb, 7.5 wt % W, 0.1 to 10 wt % Zr, and balance tantalum.

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