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Thermoelastic and superelastic NI-TI-W alloy

  • US 8,974,517 B2
  • Filed: 04/21/2014
  • Issued: 03/10/2015
  • Est. Priority Date: 12/28/2000
  • Status: Expired due to Fees
First Claim
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1. An endoprosthesis delivery system comprising:

  • a delivery sheath and an endoprosthesis disposed within the delivery sheath, the endoprosthesis comprising;

    a tubular-shaped body, the body including a nickel-titanium superelastic alloy, and the alloy further includes a ternary element including tungsten, wherein the tubular-shaped body includes a nickel-titanium-tungsten tubing having an austenite finish temperature of −

    15 degrees C. to 0 degrees C.

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