Torque-transmitting, variably-flexible, locking insertion device and method for operating the insertion device
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United States of America Patent
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Oct 20, 2020
Grant Date -
Mar 8, 2018
app pub date -
Nov 9, 2017
filing date -
Jun 27, 2007
priority date (Note) -
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Abstract
A variably-flexible, locking insertion device includes a hollow body having a proximal end with an entrance for receiving an instrument, a distal end with a tip for protrusion of the instrument, and a handle to be gripped by an operator. A device transitions the hollow body between a relatively flexible condition and a relatively stiff condition. Tendons are disposed within the hollow body for maintaining the hollow body in the relatively flexible and relatively stiff conditions, the tendons being neither in tension nor compression when the hollow body is in the relatively stiff condition.
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