Computer Controlled Contact Nd:YAG Laser System For Interstitial Local Hyperthermia And PDT

Norio Daikuzono; S N Joffe; I Fujishima

doi:10.1117/12.945319

15 June 1988 Computer Controlled Contact Nd:YAG Laser System For Interstitial Local Hyperthermia And PDT

Norio Daikuzono, S N Joffe, I Fujishima

Proceedings Volume 0907, Laser Surgery: Characterization and Therapeutics; (1988) https://doi.org/10.1117/12.945319
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

Contact Nd:YAG laser surgery is assuming a greater importance in endoscopic and open surgery allowing coagulation, cutting and vaporization with greater precision and safety. One of contact probe allows a wider angle of irradiation and diffusion of low power laser energy using the interstitial or the touch technique for local hyperthermia. Continuously monitoring temperature sensors are placed directly into the surrounding tissue or tumor. Using a computer program interfaced with the laser and sensors, a controlled and stable temperature (e.g., 42°C) can be produced in a known volume of tissue over a prolonged period of time (e.g., 20-40 min). Using pulsed Nd:YAG laser and photosensitiser, Pheophorbide-a either laser hyperthermia or POT into malignant tumor are possible from single laser resorce. Combination method with laser hyperthermia and POT will be promisive and exclusive laser modality for cancer.

Citation Download Citation

Norio Daikuzono, S N Joffe, and I Fujishima "Computer Controlled Contact Nd:YAG Laser System For Interstitial Local Hyperthermia And PDT", Proc. SPIE 0907, Laser Surgery: Characterization and Therapeutics, (15 June 1988); https://doi.org/10.1117/12.945319

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