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Laserthermia: a computer-controlled contact Nd:YAG system for interstitial local hyperthermia
N Daikuzono1, S N Joffe, H Tajiri
1Department of Surgery, University of Cincinnati, OH 45267.
Medical Instrumentation
|October 1, 1987
Summary
Neodymium: YAG (Nd:YAG) laser surgery with a sapphire probe enables precise interstitial hyperthermia for cancer treatment. This technique uses controlled temperature monitoring for enhanced precision and safety in clinical applications.
Area of Science:
- Oncology
- Medical Engineering
- Laser Medicine
Background:
- Contact Neodymium: YAG (Nd:YAG) laser surgery is increasingly vital in surgical procedures.
- It offers enhanced precision and safety for coagulation, cutting, and vaporization.
- Interstitial techniques are being explored for targeted therapies.
Purpose of the Study:
- To evaluate the efficacy of Nd:YAG laser interstitial hyperthermia for carcinoma treatment.
- To demonstrate the precision and safety of a novel synthetic sapphire probe system.
- To present the Laserthermia system for controlled local hyperthermia.
Main Methods:
- Utilized a synthetic sapphire probe for low-power (less than 5 W) Nd:YAG laser irradiation.
- Employed an interstitial technique to deliver laser energy for local hyperthermia.
- Integrated temperature sensors and a computer program for precise temperature control (e.g., 42°C for 20-40 min).
Main Results:
- The system demonstrated the ability to produce controlled and stable local hyperthermia.
- The synthetic sapphire probe facilitated a wider angle of irradiation and energy diffusion.
- The Laserthermia system proved effective in experimental and clinical settings.
Conclusions:
- Nd:YAG laser interstitial hyperthermia is a promising approach for localized cancer treatment.
- The Laserthermia system offers significant advantages in precision and safety.
- This technique holds potential for effective management of carcinoma through controlled hyperthermia.