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Doppler directed suture ligation device and method

  • US 6,635,065 B2
  • Filed: 07/17/2001
  • Issued: 10/21/2003
  • Est. Priority Date: 11/16/2000
  • Status: Expired due to Fees
First Claim
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1. A method of preparing an anatomical vessel contained within a tissue bundle for ligation, comprising the steps of:

  • positioning a cannula adjacent to said tissue bundle, wherein said positioning is non-penetrating, said cannula including a first extendable member, a second extendable member, a Doppler wand, and a distal end;

    transmitting ultrasound signals toward said vessel through said tissue bundle with said Doppler wand;

    receiving ultrasound signals reflected by said vessel through said tissue bundle with said Doppler wand;

    invaginating said tissue bundle with said first extendable member on a first side of said tissue bundle;

    invaginating said tissue bundle with said second extendable member on a second side of said bundle opposite said first side; and

    interpenetrating a length of ligation material between said first and second extendable members on a side of said vessel opposite said cannula distal end.

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