A multifunctional telescopic monopolar/bipolar electrosurgery pencil is disclosed for use with an electrosurgery unit (ESU). The monopolar/bipolar electrosurgery pencil includes a bipolar electrode having an insulator sandwiched between an active electrode and a return electrode wherein the bipolar electrode...http://www.google.com.tw/patents/US6702812?utm_source=gb-gplus-share專利 US6702812 - Multifunctional telescopic monopolar/bipolar surgical device and method therefor
