Externally directed anastomosis systems and externally positioned anastomosis fenestra cutting apparatus
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United States of America Patent
Stats
-
Apr 22, 2003
Grant Date -
Aug 23, 2001
app pub date -
Dec 14, 2000
filing date -
Apr 16, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Anastomosis procedures and anastomosis cutting procedures are achieved with an anvil apparatus that is externally positioned through the wall of a vessel into the vessel lumen. The externally positioned anvil apparatus has an anvil that engages a cutter to form a vessel opening. The anvil is larger than the cutter to enable the vessel to be cut as it is compressed between the cutter and the anvil. The anvil may have a spherical engaging end for use with a cylindrical cutter for forming circular openings in a manner such that the anvil self centers. The anvil and cutter may also be adapted to form elliptical openings. The balloon may be solid or deployable.
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