Surgical instrument incorporating an articulation mechanism having rotation about the longitudinal axis
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United States of America Patent
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Sep 26, 2006
Grant Date -
Jan 13, 2005
app pub date -
Jul 9, 2003
filing date -
Jul 9, 2003
priority date (Note) -
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Abstract
A surgical instrument particularly suited to endoscopic articulates an end effector by including an end effector having a geared articulation mechanism that converts rotational motion from a handle portion. A hollow articulation drive tube transfers the rotation motion in some versions to a spear gear, bevel gear or snaggle tooth gear articulation mechanism. Alternatively, one or more threaded drive rod offset from a longitudinal axis engages a worm gear or flex-neck articulation mechanism.
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