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Method of using a clot capture coil

  • US 6,692,509 B2
  • Filed: 09/03/2002
  • Issued: 02/17/2004
  • Est. Priority Date: 02/02/1996
  • Status: Expired due to Fees
First Claim
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1. A method of removing an obstruction in a blood vessel comprising:

  • positioning an obstruction retriever in a collapsed position, the obstruction retriever having an obstruction engaging portion extending from an insertion element, the obstruction engaging portion being an elongate element which extends from the insertion element to a free end which is free of any fixed attachment to any other member, the obstruction engaging element having coils with varying diameters along the length of the obstruction engaging element, the obstruction engaging portion being movable from a collapsed position to an expanded position;

    advancing the obstruction retriever through an obstruction while in the collapsed position;

    moving the obstruction engaging portion proximally into engagement with the obstruction; and

    thereafter removing the obstruction.

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