Thermotherapy with metallic stent excited by the magnetic field

Junji Oya, Hodaka Shoji, Fumihiro Sato, Hidetoshi Matsuki, Susumu Satomi, Yoshihiro Nihei, Yoshimochi Kurokawa, Tadakuni Sato

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


Stents are one method of treatment for stenosis of lumens organ from various causes. The cylindrical metallic stents are composed of alloy wire. After stents are implanted, however, the stenosis may recur due to a tumor or abscess again. It is particularly difficult to remove tumors or abscesses of the bile duct by surgical repair, because the duct is in a deep portion of the abdomen. We propose a noninvasive remedying method for tumors and abscesses by using thermotherapy with magnetically excited metallic stents. Currently, clinical stents are not manufactured to allow for heating. In this paper, we made experimental stents by magnetic shunt steel to heat the stents and control the heat of stents by external magnetic excitation for thermotherapeutic applications.

Original languageEnglish
Pages (from-to)3593-3595
Number of pages3
JournalIEEE Transactions on Magnetics
Issue number10
Publication statusPublished - 2006 Oct


  • External excitation
  • Metallic stent
  • Thermotherapy


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