Articulation mechanism for medical devices
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United States of America Patent
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Mar 8, 2005
Grant Date -
Feb 19, 2004
app pub date -
Aug 16, 2002
filing date -
Aug 16, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An improved articulating device for use with a medical insertion instrument comprising in part a first tube having a plurality of ribs defining a plurality of bending segments, a second tube axially disposed within the first tube, and means for transmitting an axial deflecting pull load. Such device has improved controlled for positioning an end of the device at a selected position within the body. The articulating device has a generally constant moment of inertia and a polar moment of inertia that generally decreases from its proximal to distal end.
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