| 摘要 |
A flexible torque tube is disclosed. The torque tube can be used with an endoscope. For instance, the torque tube can be part of an endoscopic access ory having an end effector which is manipulated through the working channel of an endoscope. The torque tube can include a series of interconnected holl ow tubular members extending proximally from the end effector. The tubular m embers can be interconnected to provide a flexible torque tube have substant ially zero bending stiffness and a torsional stiffness sufficient for manipu lating the end effector through the working channel of an endoscope.
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