Abstract
The use of lasers in medical treatments and surgeries is becoming increasingly popular due to the rapid development of laser technology. The purpose of the laser in medical applications is to use it as a source of heat energy. In this work, heat generation and temperature rise in a laser irradiated biological tissue are studied numerically. The mathematical model is based on multidimensional transient bio-heat equation taking into account of volumetric heat generation due to transmission and absorption of laser energy in the tissue and cooling due to blood perfusion rate. The model is solved using finite element method. Results are presented for heat generation and temperature rise in a laser- irradiated skin tissue with the presence of an enlarged blood vessel.The use of lasers in medical treatments and surgeries is becoming increasingly popular due to the rapid development of laser technology. The purpose of the laser in medical applications is to use it as a source of heat energy. In this work, heat generation and temperature rise in a laser irradiated biological tissue are studied numerically. The mathematical model is based on multidimensional transient bio-heat equation taking into account of volumetric heat generation due to transmission and absorption of laser energy in the tissue and cooling due to blood perfusion rate. The model is solved using finite element method. Results are presented for heat generation and temperature rise in a laser- irradiated skin tissue with the presence of an enlarged blood vessel.
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