The State of the Art of CO Laser Angioplasty System

Tsunenori Arai, Makoto Kikuchi, Kyoichi Mizuno

研究成果: Article査読

抄録

A unique percutaneous transluminal coronary angioplasty system using new infrared therapy laser with infrared glass fiber delivery under novel angioscope guidance was described. Carbon monoxide (CO) laser emission of 5 mm in wavelength was employed as therapy laser to achieve precise ablation of atheromatous plaque with a flexible As-S infrared glass fiber for laser delivery. We developed the first medical CO laser as well as As-S infrared glass fiber cable. We also developed 5.5 Fr. thin angioscope catheter with complete directional manipulatability at its tip. The system control unit could manage to prevent failure irradiations and fiber damages. This novel angioplasty system was evaluated by a stenosis model of mongrel dogs. We demonstrated the usefulness of our system to overcome current issues on laser angioplasty using multi-fiber-catheter with over-the-guidewire system.

本文言語English
ページ(範囲)183-185
ページ数3
ジャーナルthe keio journal of medicine
42
4
DOI
出版ステータスPublished - 1993

ASJC Scopus subject areas

  • Medicine(all)

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