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Torque-transmitting, variably flexible insertion device and method for transmitting torque and variably flexing an insertion device
Torque-transmitting, variably flexible insertion device and method for transmitting torque and variably flexing an insertion device
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机译:传递扭矩的可变挠性插入装置以及传递扭矩和可变弯曲插入装置的方法
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摘要
A torque-transmitting, variably-flexible insertion device includes a hollow body having a proximal end with an entrance for receiving an instrument and a distal end with a tip for protrusion of the instrument. A vacuum-activated device transitions the hollow body between a relatively flexible condition and a relatively stiff condition. A torque braid transmits torque from the proximal end toward the distal end. A method for transmitting torque and variably flexing the insertion device includes transmitting torque along the hollow body with the torque braid, applying suction to create a vacuum in the hollow body for placing the hollow body in the relatively stiff condition, and relieving the vacuum for placing the hollow body in the relatively flexible condition.
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