Coronary angioplasty system using CO lasers

Tsunenori Arai, Akira Suda, Makoto Kikuchi, Kyoichi Mizuno, Akira Miyamoto, Masami Sakurada, Yasuyuki Okamoto, Akira Kurita, Haruo Nakamura, Atsushi Utsumi, Yoshiro Akai, Kiyoshi Takeuchi

Research output: Chapter in Book/Report/Conference proceedingConference contribution


A laser angioplasty system using a combination of a CO laser and a coronary angioscope is described. A thin laser angioscope balloon catheter 5F-6F in diameter was developed. A fiber cable for CO laser delivery was also developed. An animal experiment in vivo shows the efficacy of the angioscope visualization during the laser angioplasty. The independent manipulation of the laser fiber cable and the laser angioscope catheter is an important design point for establishing precisely controlled laser irradiation by displaying the angioscope view. The laser angioscope catheter is too short for the percutaneous coronary laser angioplasty procedure, because it was made specially for the animal experiment. However, it is sufficient for the open surgery procedure.

Original languageEnglish
Title of host publicationBiomedical Engineering Perspectives
Subtitle of host publicationHealth Care Technologies for the 1990's and Beyond
PublisherPubl by IEEE
Number of pages2
Editionpt 3
ISBN (Print)0879425598
Publication statusPublished - 1990
Externally publishedYes
EventProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Philadelphia, PA, USA
Duration: 1990 Nov 11990 Nov 4

Publication series

NameProceedings of the Annual Conference on Engineering in Medicine and Biology
Numberpt 3
ISSN (Print)0589-1019


OtherProceedings of the 12th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
CityPhiladelphia, PA, USA

ASJC Scopus subject areas

  • Signal Processing
  • Biomedical Engineering
  • Computer Vision and Pattern Recognition
  • Health Informatics


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