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(Note that frequency of the alternating electric current is an inverse of the duration of a single cycle). To minimize the effects of muscle and neural stimulation, electrosurgical equipment typically operates in the radio frequency (RF) range of 100 kHz to 5 MHz.
It works by emitting low-power high-frequency high-voltage AC electrical pulses, via an electrode mounted on a handpiece, directly to the affected area of the body. A continuous electric spark discharge may be drawn between probe and tissue, especially at the highest settings of power, although this is not necessary for the device to function.
Diathermy equipment typically operates in the short-wave radio frequency (range 1–100 MHz) or microwave energy (range 434–915 MHz). [citation needed] Pulsed electromagnetic field therapy (PEMF) is a medical treatment that purportedly helps to heal bone tissue reported in a recent NASA study. This method usually employs electromagnetic ...
Electrosurgery and surgical diathermy involve the use of high-frequency A.C. electric current in surgery as either a cutting modality, or else to cauterize small blood vessels to stop bleeding. This technique induces localized tissue burning and damage, the zone of which is controlled by the frequency and power of the device.
A harmonic scalpel cuts via vibration. The scalpel surface itself cuts through tissue by vibrating in the range of 55,500 Hz. The high frequency vibration of tissue molecules generates stress and friction in tissue, which generates heat and causes protein denaturation.
This high-frequency wand from NuDerma offers a simple and effective way to treat a variety of skin concerns. It comes highly recommended by Akram “for its combination electrodes (Neon and Argon ...
An electrosurgical unit (ESU) uses high currents (e.g. 10 amperes) at high frequency (e.g. 500 kHz) with various schemes of amplitude modulation to cut or coagulate; As a treatment for fibrillation or irregular heart rhythms: see Defibrillation and Cardioversion; As a method of pain relief: see Transcutaneous electrical nerve stimulation (TENS)
One or two of these electrosurgical knives are used in combination with a high frequency electrosurgical current (HFEC) generator with an automatically controlled system). New types of endoscopes are available for ESD, such as an endoscope with a water jet system, an endoscope with a multi-bending system to facilitate the ESD procedure–.
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