Surgical instrument incorporating an electrically actuated pivoting articulation mechanism
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United States of America Patent
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N/A
Issued Date -
Feb 2, 2006
app pub date -
Mar 31, 2005
filing date -
Jul 28, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A surgical instrument particularly suited to endoscopic use articulates an end effector by including an articulation mechanism in an elongate shaft that incorporates an electrically actuated polymer (EAP) actuator for remotely articulating the end effector. Pivoting connections between a distal frame portion and a proximal frame portion are actuated by EAP fiber actuators and thereafter are locked at the selected articulation angle by deactivating an EAP lock release.
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