Actuation mechanism for use with an ultrasonic surgical instrument
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
May 5, 2014
filing date -
Oct 8, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
An ultrasonic clamp coagulator assembly that is configured to permit selective cutting, coagulation and clamping of tissue during surgical procedures. An elongated portion of the instrument can be configured for endoscopic applications and has an outside diameter of less than 6 mm. The construction includes a clamping mechanism, including a clamp arm pivotally mounted at the distal portion of the instrument, which is specifically configured to create a desired level of tissue clamping forces, exceeding 4 pounds when the trigger is fully closed. The clamping mechanism includes a force-limiting mechanism that effectively smooths out abusive tissue forces.
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