The Thulium-Holmium-Chromium:YAG Laser: A New Tool For Microvascular Anastomosis

Lawrence S. Bass; Michael R. Treat; Carl Dzakonski; James Andrew; Stephen L. Trokel

doi:10.1117/12.952036

11 September 1989 The Thulium-Holmium-Chromium:YAG Laser: A New Tool For Microvascular Anastomosis

Lawrence S. Bass, Michael R. Treat, Carl Dzakonski, James Andrew, Stephen L. Trokel

Proceedings Volume 1066, Laser Surgery: Advanced Characterization, Therapeutics, and Systems; (1989) https://doi.org/10.1117/12.952036
Event: OE/LASE '89, 1989, Los Angeles, CA, United States

Abstract

Laser assisted microvascular anastomosis with a variety of lasers has been reported to provide shorter operating times, less tissue reaction and possibly better long term patency rates. We describe our experience using a pulsed thulium-holmium-chromium:YAG laser (2.15 micron) to construct sutureless microvascular anastomoses. The intermediate absorption of this wavelength compared with CO₂ and Nd:YAG lasers, allows uniform heating of the vessel wall. End-to-end anastomoses of 10 rat carotid arteries were created with the THC:YAG laser. Histologic sections of anastomosed vessels confirmed full thickness fusion of the media with minimal thermal damage. Bursting pressures were all in excess of 300 mm Hg. The THC:YAG laser creates vascular fusion of sufficient immediate strength to perform microvascular anastomosis.

Citation Download Citation

Lawrence S. Bass, Michael R. Treat, Carl Dzakonski, James Andrew, and Stephen L. Trokel "The Thulium-Holmium-Chromium:YAG Laser: A New Tool For Microvascular Anastomosis", Proc. SPIE 1066, Laser Surgery: Advanced Characterization, Therapeutics, and Systems, (11 September 1989); https://doi.org/10.1117/12.952036

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