炭酸ガスレーザ外科 : 耳鼻咽喉科領域における炭酸ガスレーザの臨床的応用

概要

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The present paper describes fundamental knowledge on the carbon dioxide laser and its clinical applications.The CO2 laser which has a wavelength of 10. 6 micrometer is almost completely absorbed by any biological tissue regardless of its pigmentation and is directly converted into heat energy.The mechanisms in destructing the soft tissue with CO2 laser irradiation consist of rapid vaporization of water component of the tissue and thermal denaturation of tissue protein.The advantages of CO2 laser as a light knife are as follows;1) Tissue removal by vaporization with extraordinary hemostatic effect.2) Excellent visualization without mechanical contact.3) Exact localization of destuction within an extrely small area. Furthermore, one can utilize CO2 laser for microscopic surgery by coupling the laser to a surgical microscope with a specially designed delivery manipulater and micromanipulater.
社団法人日本耳鼻咽喉科学会の論文