Surgical instrument incorporating an electrically actuated articulation mechanism
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United States of America Patent
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Dec 28, 2010
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N/A
app pub date -
Mar 31, 2005
filing date -
Jul 28, 2004
priority date (Note) -
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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. In particular, a flexible neck to a frame of the elongate neck may be laterally urged to the left or right by EAP actuators and advantageously locked into an articulated state.
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