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Proceedings Paper

Continuous wave laser angioplasty using IR (CO) or UV (Ar) lasers under visualization by a thin endoscope: in-vitro and in-vivo animal experiments
Author(s): Tsunenori Arai; Akira Suda; Masato Nakagawa M.D.; Makoto Kikuchi; Kyoichi Mizuno; Akira Miyamoto M.D.; Masami Sakurada; Yasuyuki Okamoto; Kimio Satomura M.D.; Akira Kurita; Haruo Nakamura; Atsushi Utsumi; Yoshiro Akai; Kiyoshi Takeuchi
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Paper Abstract

We studied an use of the continuous wave(cw) lasers(infrared and u1tra-violet) to the laser angioplasty by in vitro and an animal experiment in vivo. The use of the cw lasers provides an advantage of the reliable laser energy delivery by a thin flexible fiber. We had already reported the ablation characteristics and the fiber delivery capability of the CO laser. In this paper, we describe an another interesting cw laser for the laser angioplasty. The ablation characteristics of the uv Ar laser of which wavelength was approximately 350nm was studied. To develop an operation procedure of the angioscopic laser angioplasty, the animal experiments in vivo have been done under a visualization by a thin laser angioscope catheter with the CO laser irradiation. The advantage of the visualization during the laser angioplastic procedures are discussed.

Paper Details

Date Published: 1 July 1990
PDF: 9 pages
Proc. SPIE 1201, Optical Fibers in Medicine V, (1 July 1990); doi: 10.1117/12.17518
Show Author Affiliations
Tsunenori Arai, National Defense Medical College (Japan)
Akira Suda, National Defense Medical College (Japan)
Masato Nakagawa M.D., National Defense Medical College (Japan)
Makoto Kikuchi, National Defense Medical College (Japan)
Kyoichi Mizuno, National Defense Medical College (Japan)
Akira Miyamoto M.D., National Defense Medical College (Japan)
Masami Sakurada, National Defense Medical College (Japan)
Yasuyuki Okamoto, National Defense Medical College (Japan)
Kimio Satomura M.D., National Defense Medical College (Japan)
Akira Kurita, National Defense Medical College (Japan)
Haruo Nakamura, National Defense Medical College (Japan)
Atsushi Utsumi, Mitsubishi Cable Industries, Ltd. (Japan)
Yoshiro Akai, Hamamatsu Photonics K.K. (Japan)
Kiyoshi Takeuchi, Fukuda Denshi Co. Ltd. (Japan)

Published in SPIE Proceedings Vol. 1201:
Optical Fibers in Medicine V
Abraham Katzir, Editor(s)

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