另外，该装置包括管状通道，其贯穿所述细长构件，所述管状通道与所述端部执行器流体连通。

In addition, the device includes a tubular channel running through the elongated member which is in fluid communication with the end effector.

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细长构件在其远端处具有端部执行器。

The elongated member has an end effector at its distal end.

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细长构件在其远端处具有端部执行器。

The elongated member has an end effector at its distal end.

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