Surgery – Instruments – Electrical application
Patent
1998-09-30
2000-12-26
Dvorak, Linda C. M.
Surgery
Instruments
Electrical application
606159, 606 45, A61B 1818
Patent
active
061651761
ABSTRACT:
A segment of an artery to be used, for example, in aorto-coronary bypass surgery, is dissected and isolated by making an incision to sever the artery at one of the ends of the segment to be removed. Suturing means are employed to inhibit the flow of blood through the vessel segment. An interrupted collar/handle assembly is inserted at the incision and passed over the blood vessel so the segment is positioned within the luminal area of the collar. The collar has an inside diameter slightly larger than the outside diameter of the blood vessel to be isolated and has at least one cutting blade at its leading end. The collar is advanced over the blood vessel while the cutting edge is energized to sever tissue from the vessel and to cauterize ends of the severed branches, until the leading end of the collar reaches the desired length of segment, by which another incision is made to isolate the blood vessel.
REFERENCES:
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patent: 5484426 (1996-01-01), Toon
patent: 5540683 (1996-07-01), Ichikawa et al.
patent: 5843017 (1998-12-01), Yoon
patent: 5913864 (1999-06-01), Garito et al.
patent: 6019771 (2000-02-01), Bennett et al.
Dvorak Linda C. M.
Gibson Roy
Klicpera Michael E.
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