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Implantable expandable medical devices having regions of differential mechanical properties and methods of making same

  • US 6,923,829 B2
  • Filed: 11/25/2002
  • Issued: 08/02/2005
  • Est. Priority Date: 11/25/2002
  • Status: Expired due to Term
First Claim
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1. An implantable, geometrically expandable, endoluminal, nickel-titanium stent, comprising:

  • a) a plurality of circumferential support members, each having a plurality of generally linear members interconnected by plurality of first hinge members thereby forming a generally sinusoidal array;

    b) a plurality of interconnecting members each having at least one second hinge member interconnecting adjacent pairs of circumferential rings;

    c) wherein when introduced in vivo, the plurality of first hinge members are in a substantially austenite phase, and the plurality of second hinge members are in a substantially martensite phase.

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