Temporary seal and method for facilitating anastomosis
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United States of America Patent
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Nov 9, 2004
Grant Date -
Jun 26, 2003
app pub date -
Dec 26, 2001
filing date -
Dec 26, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Forming a proximal anastomosis on an aortic wall includes method and instrumentation and apparatus for forming an aortic puncture and inserting a fluid-impervious sealing element with a lateral flange and central stem into the vessel through the puncture. An anastomosis of a graft vessel over the puncture is partially completed with the central stem of the sealing element protruding through the partial anastomosis. A removal instrument attaches to the central stem and retrieves the sealing element that disassembles in helical disassociation of the flange and stem into a continuous strand that is withdrawn from the partial anastomosis prior to completion of the procedure.
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