| 摘要 |
An electrosurgical pencil includes an adjustable-length suction tube which surrounds a stationary electrode to evacuate smoke and electrosurgical byproducts from a surgical site. An electrode anchor unit is located within the interio r of the suction tube to allow relative movement of the suction tube relative to a stationarily--retained electrode, and to receive and connect to different lengths of the electrodes. Adjusting the length of the suction tube relative to the different lengths o f the electrode achieves effective evacuation, among other things.
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