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Fundamental study of magnetic resonance examination for cardiac rehabilitation patient: Development of a real-time measurement device for temperature in the gantry during magnetic resonance imaging

Research Project

Project/Area Number 24650307
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Rehabilitation science/Welfare engineering
Research InstitutionTohoku University

Principal Investigator

CHIDA Koichi  東北大学, 災害科学国際研究所, 教授 (20323123)

Co-Investigator(Renkei-kenkyūsha) KOHZUKI Masahiro  東北大学, 大学院医学系研究科, 教授 (70234698)
ZUGUCHI Masayuki  東北大学, 大学院医学系研究科, 名誉教授 (20172075)
Research Collaborator NAGASAKA Tatsuo  東北大学, 大学病院, 主任技師、臨地講師
NAKAMURA Masaaki  東北大学, 大学院医学系研究科, 非常勤講師
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywordsリハビリテーション / MRI / 医療・福祉
Outline of Final Research Achievements

The conventional cardiac magnetic resonance (MR) examination necessitates long examination times and impedes its utility as a diagnostic tool, since few cardiac patients can tolerate long procedures. Furthermore, even in current 3T-MRI, the long examination time results in a temperature rise associated with SAR. Most commercial real-time thermometer systems cannot be used for accurate temperature monitoring during MRI because they are made of magnetic materials. We have developed a novel, direct real-time temperature measurement system for use during MRI procedures. The system consists of sensors with thermocouples using non-magnetic materials, a cable with electromagnetic shielding, and a display system. The sensors and cables of the new thermometer resulted in no artifacts on MRI. The new thermometer presented here is a very effective tool for real-time temperature measurement during MRI. Furthermore, such measurement methods will aid the development of short-term MRI sequences.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (2 results)

All 2014

All Presentation (1 results) Patent(Industrial Property Rights) (1 results)

  • [Presentation] MRI装置用リアルタイム温度計測システムの試作2014

    • Author(s)
      永坂竜男、千田浩一
    • Organizer
      第4回東北放射線医療技術学術大会
    • Place of Presentation
      新潟市
    • Year and Date
      2014-10-24
    • Related Report
      2014 Annual Research Report
  • [Patent(Industrial Property Rights)] 温度測定プローブ及び温度測定システム2014

    • Inventor(s)
      千田 浩一
    • Industrial Property Rights Holder
      千田 浩一
    • Industrial Property Rights Type
      特許
    • Industrial Property Number
      2014-020099
    • Filing Date
      2014
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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