Common Myths About Electrosurgery

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Abstract
The electrosurgery device market is lucrative and highly competitive. Several device manufacturers exist, and many creative techniques are used to differentiate products. Some device manufacturers make claims in marketing campaigns that are difficult to reconcile with the laws of physics or basic physiology. The variety of claims may be confusing to surgeons desiring to purchase new electrosurgical products. Understanding a few basic principles of electrosurgery physics can allow a surgeon to be a more informed consumer of electrosurgical products. This article discusses the basic physics of electrosurgery and then addresses several common misconceptions about electrosurgery and electrosurgical devices. (Otolaryngol Head Neck Surg 2000;123:450-5.)