Torque limiting mechanism of bendable portion control device for an endoscope
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United States of America Patent
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-
Sep 30, 2014
Issued Date -
N/A
app pub date -
Apr 19, 2007
filing date -
Apr 26, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bendable portion control device for an endoscope including a control portion and an insertion portion extending therefrom, the insertion portion having a bendable portion at a distal end thereof, the bendable portion control device includes a control wire fixed thereto and extending to the control portion through the insertion portion; a control knob disposed on the control portion; an operating force transmission mechanism having a pair of relatively rotatable members connected to the control knob and a proximal end of the control wire, respectively; and a torque limiting mechanism for allowing torque to be transmitted to the bendable portion via the control wire when the torque is equal to or less than a predetermined torque, and for preventing the torque from being transmitted to the bendable portion via the control wire by disengaging the relatively rotatable members from each other when exceeding the predetermined torque.
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