Self-expanding exterior connectors for creating anastomoses to small-diameter vessels and methods of use
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United States of America Patent
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N/A
Issued Date -
Apr 8, 2004
app pub date -
Oct 3, 2003
filing date -
Oct 4, 2002
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Methods and apparatus for making an anastomotic connection between a first aperture in a side wall of a graft conduit and a second aperture in a side wall of a body tissue conduit using a hollow self-expanding exterior connector are provided. The tissue about the first aperture is introduced into the hollow connector and is retained by first members of a distal portion of the connector. A delivery tool then collapses the distal perimeter defined by the first members by deforming the connector and delivers the first members into the lumen of the body tissue conduit via the second aperture. Upon inserting the first members into the body tissue conduit, the tool is disemployed and the connector reforms such that the first members and a more proximal portion of the connector external to the body tissue conduit press together the walls of the two conduits around the apertures.
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