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Tissue accessing and anchoring device and method

  • US 6,679,851 B2
  • Filed: 06/12/2001
  • Issued: 01/20/2004
  • Est. Priority Date: 09/01/1998
  • Status: Expired due to Term
First Claim
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1. A tissue accessing and anchoring device, comprising:

  • a. an elongated shaft having a distal end and a proximal end;

    b. a tissue cutting member at the distal end of the shaft to provide access to a target site;

    c. at least one movable sheath having a distal end at or near the distal end of the shaft, a port in the distal end of the sheath and an inner bore leading to and in fluid communication with the port in the distal end; and

    d. at least one anchoring element which is slidably disposed within the inner bore of the sheath and positioned at or near the distal end of the shaft, which is configured to move within said inner bore, to extend out of the port in the distal end of the movable sheath, beyond the distal end of the shaft and which is configured to extend into tissue at the target site to thereby anchor the device.

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