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Mechanism to improve stent securement

  • US 7,235,093 B2
  • Filed: 05/20/2003
  • Issued: 06/26/2007
  • Est. Priority Date: 05/20/2003
  • Status: Expired due to Fees
First Claim
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1. A device for preventing stent movement during delivery comprising:

  • a securement connector arranged to engage an outer surface of a catheter;

    at least one flexible connecting member made from a shape memory material, said flexible connecting member comprising a serpentine band, said shape memory material having an Af temperature lower than normal human body temperature, said at least one flexible connecting member being balloon expandable, said flexible connecting member having a first end portion and a second end portion, the first end portion coupled to said securement connector; and

    a locking member located at said flexible connecting member second end portion arranged to engage a portion of a stent;

    wherein a diameter of the securement connector remains constant during stent expansion.

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