Electrosurgery | 合法醫療器材資訊網

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Electrosurgery is used in dermatological procedures to stop bleeding (haemostasis) or to destroy abnormal skin growths.

In electrosurgery, high-frequency, alternating electric current at various voltages (200 to 10,000 V) is passed through the skin to generate heat. It requires a power supply and a handpiece with one or more electrodes. The device is controlled using a switch on the handpiece or a foot switch.

Some of the terminology used to describe electrosurgery is confusing. The aim of the procedure is to perform cauterisation. The word cautery originates from the latin, meaning to brand. It relates to the coagulation or destruction of tissue by heat or a caustic substance.

Electrosurgery (particularly electrocoagulation) is sometimes incorrectly called diathermy, whi...