Laser Angioplasty Using Carbon Monoxide Lasers

Tsunenori Arai; Makoto Kikuchi; Kyoichi Mizuno; Ko Arakawa; Toshio Shibuya; Kenji Horiuchi; Yasuyuki Okamoto; Akira Miyamoto; Kazushige Isojima; Akira Kurita

doi:10.1117/12.945292

21 June 1988 Laser Angioplasty Using Carbon Monoxide Lasers

Tsunenori Arai, Makoto Kikuchi, Kyoichi Mizuno, Ko Arakawa, Toshio Shibuya, Kenji Horiuchi, Yasuyuki Okamoto, Akira Miyamoto, Kazushige Isojima, Akira Kurita

Author Affiliations +

Proceedings Volume 0906, Optical Fibers in Medicine III; (1988) https://doi.org/10.1117/12.945292
Event: 1988 Los Angeles Symposium: O-E/LASE '88, 1988, Los Angeles, CA, United States

Abstract

In this paper, we demonstrate the possibility as well as usefulness of the usage of CO lasers for the laser coronary angioplasty. CO lasers, approximately 5μm of their wavelength, have strong ablation capacity to water-containing living tissue due to intensive attenuation by water. Accordingly, a precise ablation of intravascular obstruction without a perforation may be possible by the CO laser irradiation. As a fundamental study, the design of the fiber energy delivery of CO lasers for the coronary angioplasty and the ablation effect of the CO laser irradiation to human atheroma are revealed. The CO laser irradiation method in the flushing medium of a coronary angioscope is also discussed.

Citation Download Citation

Tsunenori Arai, Makoto Kikuchi, Kyoichi Mizuno, Ko Arakawa, Toshio Shibuya, Kenji Horiuchi, Yasuyuki Okamoto, Akira Miyamoto, Kazushige Isojima, and Akira Kurita "Laser Angioplasty Using Carbon Monoxide Lasers", Proc. SPIE 0906, Optical Fibers in Medicine III, (21 June 1988); https://doi.org/10.1117/12.945292

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