Resection of parenchymatous organs using pulse YAG:Nd laser radiation at 1.44-um and 1.32-um wavelengths

Pavel S. Zubeev; A. Rotkov; I. Vaganov; I. Skvortsova; Vladislav A. Kamensky; Grigory V. Gelikonov; Alexander M. Sergeev

doi:10.1117/12.350993

22 June 1999 Resection of parenchymatous organs using pulse YAG:Nd laser radiation at 1.44-μm and 1.32-μm wavelengths

Pavel S. Zubeev, A. Rotkov, I. Vaganov, I. Skvortsova, Vladislav A. Kamensky, Grigory V. Gelikonov, Alexander M. Sergeev

Author Affiliations +

Proceedings Volume 3590, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems IX; (1999) https://doi.org/10.1117/12.350993
Event: BiOS '99 International Biomedical Optics Symposium, 1999, San Jose, CA, United States

Abstract

We have demonstrated that when using in surgical operations the radiation of YAG:Nd laser with 1.44 μm wavelength exhibits better cutting capabilities as compared to the same laser at 1.32 μm wavelength. The laser scalpel at 1.44 μm also provides adequate hemostasis at non-typical section of parenchymals without blood vessel ligation, however this capability is higher for 1.32 μm radiation. It is possible to combine the advantages of both radiations by repetitive switching the laser between two wavelengths or mixing two simultaneously generate wave in one optical waveguide. Application of several YAG:Nd laser wavelengths with different absorption coefficients in a single operation on the soft tissue allows one to coagulate large-scale blood vessels and to minimize thermal damages of surrounding tissue.

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Pavel S. Zubeev, A. Rotkov, I. Vaganov, I. Skvortsova, Vladislav A. Kamensky, Grigory V. Gelikonov, and Alexander M. Sergeev "Resection of parenchymatous organs using pulse YAG:Nd laser radiation at 1.44-μm and 1.32-μm wavelengths", Proc. SPIE 3590, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems IX, (22 June 1999); https://doi.org/10.1117/12.350993

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