| 摘要 |
An electrosurgical pencil, comprising: a housing; an electrocautery blade having a proximal portion configured to removably couple to the housing, the electrocautery blade configured to electrically connect to an electrosurgical generator; a hub coupled to a distal portion of the housing and defining a lumen configured to receive at least a portion of the electrocautery blade therein; and a sheath coupled to the hub and defining a lumen configured to receive at least a portion of the electrocautery blade therein, the hub configured to rotate relative to the housing to move the sheath between a first position to cover the electrocautery blade and a second position to expose a distal portion of the electrocautery blade. |
