LASER ANGIOPLASTY USING CARBON MONOXIDE LASERS.

Tsunenori Arai, Midori Chigira, Makoto Kikuchi, Kyoichi Mizuno, Ko Arakawa, Toshio Shibuya, Kazushige Isojima, Akira Kurita, Haruo Nakamura

研究成果: Conference contribution

抄録

To solve the problem of perforations of the blood vessel by thermal damage to the artery wall during laser angioplasty, laser light that cannot penetrate the artery wall is used. In particular, the combination of carbon monoxide (CO) lasers and chalcogenide glass fibers is used. The penetration depth of CO laser radiation, 5- mu m in wavelength, for living tissue is shallow (100-200 mu m), since water strongly absorbs mid-IR light. Vaporization of a thin thermal necrotic layer is attained by the high-intensity irradiation of the CO laser. The flexible power delivery of the CO laser has been successfully demonstrated.

本文言語English
ホスト出版物のタイトルUnknown Host Publication Title
出版社Optical Soc of America
ページ75-76
ページ数2
ISBN(印刷版)0936659491
出版ステータスPublished - 1987 1 1

ASJC Scopus subject areas

  • Engineering(all)

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