A novel ferromagnetic thermo-stent for plaque stabilization that self-regulates the temperature

The purpose of this study is to investigate the vascular wall with a thermally self-regulating, cylindrical stent made of a low Curie temperature ferromagnetic alloy. Physiologic saline was circulated in the silicone model vessel implanted with the stent. The stent-temperature remained nearly consta...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 2002-06, Vol.49 (6), p.621-623
Main Authors: Matsui, T., Matsumura, K., Hagisawa, K., Ishihara, M., Ishizuka, T., Suzuki, M., Kurita, A., Kikuchi, M.
Format: Article
Language:English
Subjects:
Animals
Arteriosclerosis - therapy
Biocompatible Materials
Biological and medical sciences
Biomedical engineering
Biomedical measurements
Blood Vessel Prosthesis
Body Temperature Regulation - physiology
Coils
Equipment Design
Ferric Compounds
Hot Temperature - therapeutic use
Humans
Implants
Iron alloys
Liver - cytology
Liver - physiology
Liver - surgery
Magnetic field measurement
Magnetic flux density
Magnetics - instrumentation
Medical sciences
Medical treatment
Models, Cardiovascular
Prostheses and Implants
Rats
Sodium Chloride
Stents
Temperature
Testing
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Summary:The purpose of this study is to investigate the vascular wall with a thermally self-regulating, cylindrical stent made of a low Curie temperature ferromagnetic alloy. Physiologic saline was circulated in the silicone model vessel implanted with the stent. The stent-temperature remained nearly constant for variable saline flows, saline temperatures, and magnetic flux densities. Stent implants of this type in human blood vessels could potentially enable thermotherapy and temperature determination without catheterization.
ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.2002.1021558