Tissue sensing circuit for surgical instrument

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United States of America Patent

PATENT NO 11896327
SERIAL NO

18089723

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Abstract

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A surgical instrument includes an end effector having first and second jaws that cooperate to clamp in vivo material of a patient, and a first electrode that delivers an electrical signal to the in vivo material. The instrument further includes a second electrode that receives the electrical signal from the first electrode, and an electrical circuit housed within the end effector. The electrical circuit includes a microcontroller that controls delivery of the electrical signal to the first electrode, where the electrical signal passes through the in vivo material to the second electrode. The electrical circuit also determines an electrical impedance of the in vivo material and determines at least one of a presence or absence of tissue in the in vivo material, or a characteristic of tissue in the in vivo material.

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Patent Owner(s)

Patent OwnerAddress
CILAG GMBH INTERNATIONALGUBELSTRASSE 34 ZUG 6300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Aklivanh, Eyal Belmont, US 2 0
Balamurugan, Darshini San Jose, US 1 0
Cronis, Lewis T Mendon, US 2 18
Eves, Knudsen Sean C Oakland, US 1 0
Liu, Zhijun Cincinnati, US 73 394

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