Vessel sealer and divider having elongated knife stroke and safety for cutting mechanism

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United States of America Patent

PATENT NO 7857812
SERIAL NO

11640683

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An endoscopic bipolar forceps includes a housing and a shaft affixed to the housing. The shaft includes a longitudinal axis defined therethrough and a pair of jaw members attached to a distal end thereof. The forceps also includes a drive assembly for moving one of the jaw members relative to the other jaw member. A movable handle is included which moves the jaw members from the open and closed positions. The forceps is adapted to connect to a source of electrosurgical energy such that the jaw members are capable of conducting bipolar energy through tissue held therebetween to effect a tissue seal. A trigger assembly is operatively disposed relative to the movable handle for selectively advancing a knife assembly for cutting tissue along the tissue seal. The trigger assembly includes a safety mechanism which operatively cooperates with the movable handle such that the trigger assembly automatically deploys from a retracted position when the movable handle is moved to the closed position.

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Patent Owner(s)

  • COVIDIEN AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dycus, Sean T Broomfield, US 87 25812
Kerr, Duane E Berthoud, US 225 26911
Peterson, Darion Boulder, US 39 9830

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