Co laser angioplasty system: an innovational approach for laser angioplasty

Tsunenori Arai, Kyoichi Mizuno, Akira Miyamoto, Masami Sakurada, Makoto Kikuchi, Haruo Nakamura, Atsushi Utsumi, Kiyoshi Takeuchi

Research output: Contribution to journalArticlepeer-review


A unique laser angioplasty system using new therapeutic laser with infrared glass fiber delivery was described. Carbon monoxide(CO) laser of 5m in wavelength was employed as therapeutic laser to ablate atheromatous plaque precisely, because of its flexible delivery attained by As-S glass fiber. We developed the first medical CO laser and infrared laser cable. We also developed 5.5Fr. 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 an artificial stenosis model in mongrel dogs. We demonstrated that our system had capability to overcome current issues on laser angioplasty with multi-fiber-catheter and over-the-guidewire procedure.

Original languageEnglish
Pages (from-to)276-279
Number of pages4
JournalBiomedical Engineering - Applications, Basis and Communications
Issue number3
Publication statusPublished - 1995 Jan 1
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Bioengineering
  • Biomedical Engineering


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