Surgical instrument

Details Surgical instrument Surgical instrument

2006-12-12

2006-12-12

Peffley, Michael (Department: 3739)

Surgery

Instruments

Electrical application

C606S051000, C606S052000

Reexamination Certificate

active

07147637

ABSTRACT:
A bipolar electrosurgical instrument for cutting and sealing tissue comprises first and second jaw members movable between open and closed positions so as to be capable of grasping tissue therebetween. The first jaw member includes first and second coagulating electrodes on its inner surface, and an insulating member separating the first and second electrodes. The first jaw member also includes a third cutting electrode on an outer surface separate from the inner surface, and the second jaw member has a tissue-contacting surface which is electrically insulating over its entire surface. The electrosurgical instrument is capable of selectively causing coagulation of tissue between the first and second electrodes, and/or the cutting of tissue contacted by the third electrode.

REFERENCES:
patent: 5693051 (1997-12-01), Schulze et al.
patent: 5709680 (1998-01-01), Yates et al.
patent: 6228084 (2001-05-01), Kirvan, Jr.
patent: 6371956 (2002-04-01), Wilson et al.
patent: 2002/0198525 (2002-12-01), Schulze et al.
patent: 2003/0163123 (2003-08-01), Goble et al.
patent: 2003/0181909 (2003-09-01), Kirwan, Jr.
patent: 4303882 (1994-08-01), None
International Preliminary Report on Patentability issued in corresponding International Application No. PCT/GB2004/005056, dated Jun. 12, 2006.

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