Endoscopic system with torque transmitting sheath
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United States of America Patent
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Nov 29, 2016
Grant Date -
Jun 25, 2015
app pub date -
Feb 2, 2015
filing date -
Apr 2, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An endoluminal surgical instrument has first and second steering controls on a handle. A flexible shaft attached to the handle has a distal steerable end including a first link and a second link separated by a plurality of intermediate links. First and second steering elements, such as pairs of steering wires, are linked to first and second steering controls and to the first and second links. One or more of the links is pivotable through an angle of at least 30 degrees relative to an adjoining link. The set back position of the second steering elements from the first steering elements, and the pivoting capability of the links allows the steerable end to be steered into a small bend radius. This makes the instrument highly maneuverable for use in endoluminal surgery, such as incision-less surgery of the stomach.
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