Computer modeling and simulation of heat diffusion in tissue with laser and nonlaser sources (original) (raw)

1982

Abstract

The application of laser sources for cutting and coagulation of tissue has enjoyed widespread notoriety. Frequently the physician directing laser energy does so with minimal understanding of the response of the tissue to penetrating radiation, the buildup of heat in the tissue, and the propagation of thermal energy during and after the actual laser irradiation. Lengthy animal modeling studies have been performed which have greatly aided the development of good estimates of laser coagulation necrosis when used within tightly confined parameters of space, time, energy, and wavelength. Unfortunatly, much of the enthusiasm which has been showered upon laser coagulation and cutting has occurred because of a generalized fascination with lasers rather than because of some proven character advantage. Older methods of radio-frequency coagulation have experienced a rekindling of interest because of the interest in laser surgery.

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