Method and anastomotic instrument for use when performing an end-to-side anastomosis
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United States of America Patent
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May 23, 2000
Grant Date -
N/A
app pub date -
Sep 16, 1998
filing date -
Apr 30, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and apparatus for establishing an end-to-side anastomosis by using an instrument (501) is disclosed. The instrument has a passage (502D) for a bypass vessel, terminated by a circumferential anvil (502A, 503B), about which the end of the bypass vessel may be everted and then inserted through an anastomosis opening in a second vessel, such as a coronary artery. After insertion, the tissue edges to be joined are first clamped together by clamping slides (505) and then stapled together by stapling plungers (506) so as to interconnect the two vessels. The stapling plungers (506) are arranged to move at an angle to the passage (502D) instead of parallel to it. With this arrangement, it is possible to use a greater number of staples than has been possible in previous related methods. Preferably also, the instrument is adapted to be divided lengthwise of the passage (502D).
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