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2013 Fiscal Year Final Research Report

Creation of non-magnetism stent and aneurysm clip for high magnetic field MR imaging

Research Project

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Project/Area Number 23592767
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Pathobiological dentistry/Dental radiology
Research InstitutionThe University of Tokushima

Principal Investigator

HONDA Eiichi  徳島大学, ヘルスバイオサイエンス研究部, 教授 (30192321)

Co-Investigator(Kenkyū-buntansha) YOSHIDA Midori  徳島大学, ヘルスバイオサイエンス研究部, 助教 (30243728)
MAEDA Naoki  徳島大学, ヘルスバイオサイエンス研究部, 助教 (10219272)
HOSOKI Hidehiko  徳島大学, 大学病院, 講師 (60199502)
Project Period (FY) 2011 – 2013
Keywords磁化率 / Au-Pt-Nb合金 / MR画像 / 非磁性合金 / 生体内金属 / ステント / 脳動脈瘤クリップ
Research Abstract

A three component alloy was developed by adding a new metallic element based on an Au-Pt alloy made by the previous study. Firstly, new metallic elements, Nb, Ir, Hf and Ta were selected. After that Ir, Hf and Ta were excluded because the alloys added the element showed an obvious a metallic artifact in MR imaging. Concerning to an alloy added Nb, it was shown a metallic artifact was hardly seen in MR imaging according to the content. The content of Pt and Nb was changed and the improvement of a mechanical characteristic was tried by the difference of the heat-treatment method. It was concluded that Au-7Nb-5Pt alloy was optimum for aneurysm clip and stent.

  • Research Products

    (2 results)

All 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results)

  • [Journal Article] Magnetic susceptibility and hardness of Au-xPt-yNb alloys for biomedical applications2013

    • Author(s)
      Emi Uyama, Shihoko Inui, Kenichi Hamada, Eiichi Honda, Kenzo Asaoka
    • Journal Title

      Acta Biomaterialia

      Volume: vol 9 Pages: 8449-8453

    • DOI

      10.1016/j.actbio.2013.05.028

    • Peer Reviewed
  • [Journal Article] 歯科における磁気用途の将来MRI対応生体内金属の開発2013

    • Author(s)
      誉田栄一、浜田賢一、倉林亨、宇山恵美、吉田みどり
    • Journal Title

      日本磁気歯科学会雑誌

      Volume: 22巻 Pages: 41-48

    • Peer Reviewed

URL: 

Published: 2015-07-16  

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