Abstract
The technology of using plasma to ablate biological tissue was first described by Woloszko and Gilbride 1 . By their pioneering work in this field they proved that radio frequency current could be passed through local regions of the body without discharge taking place. Radio frequency technology for medical use (for cutting, coagulation and tissue dessication) was popularized by Cushing and Bovie 2 . Cushing an eminent neurosurgeon found this technology excellent for his neurosurgical procedures. First use of this technology inside the operating room took place on october 1 st 1926 at Peter Bent Brigham Hospital in Boston, Massachusetts. It was Dr Cushing who removed a troublesome intracranial tumor using this equipment. Coblation is non-thermal volumetric tissue removal through molecular dissociation. This action is more or less similar to that of Excimer lasers. This technology uses the principle that when electric current is passed through a conducting fluid, a charged layer of particles known as the plasma is released. These charged particles has a tendency to accelerate through plasma, and gains energy to break the molecular bonds within the cells. This ultimately causes disintegration of cells molecule by molecule causing volumetric reduction of tissue.
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