FLUID PRESSURE BASED END EFFECTOR FORCE TRANSDUCER
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United States of America Patent
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Issued Date -
Mar 28, 2019
app pub date -
Sep 26, 2018
filing date -
Sep 26, 2018
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Abstract
A surgical instrument is provided that includes an elongated shaft; an end effector located at the distal end of the shaft includes first and second jaws having opposing working faces and a pivot axis; at least one of the first and second jaws is mounted to rotatably pivot about the pivot axis. A fluid filled sac includes a first bladder portion and a second bladder portion and a tube portion extending between the first and second bladder portions; the first bladder portion is located at a working face of the first jaw; a sensor is operatively coupled to the second bladder portion to produce a sensor signal indicative of fluid pressure within the fluid filled sac.
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