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Development of an MR-compatible optical force sensor.

M Tada1, T Kanade

  • 1Digital Human Research Center, National Institute of Advanced Industrial Science & Technology (AIST), Tokyo, Japan.

Conference Proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
|February 3, 2007
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A novel Magnetic Resonance (MR)-compatible force sensor uses optical micrometry for precise measurements. This new sensor achieves high accuracy and sensitivity for applications within MR environments.

Area of Science:

  • Biomedical Engineering
  • Sensor Technology
  • Magnetic Resonance Imaging (MRI)

Background:

  • Accurate force measurement is crucial in various scientific and medical applications, particularly within Magnetic Resonance (MR) environments where electromagnetic interference is a concern.
  • Existing force sensors may face limitations in MR compatibility or precision, necessitating the development of specialized devices.

Purpose of the Study:

  • To introduce a newly developed Magnetic Resonance (MR)-compatible force sensor.
  • To detail the principle, structure, and performance characteristics of this novel sensor.
  • To highlight its capability for highly accurate and sensitive displacement measurement using optical micrometry.

Main Methods:

  • Development of a novel MR-compatible force sensor.

Related Experiment Videos

  • Integration of an optical micrometry technique for displacement detection.
  • Characterization of sensor performance, including accuracy and displacement measurement capabilities under varying forces.

    • Main Results:

    • The developed sensor demonstrates compatibility with MR environments.
    • The optical micrometry system enables highly accurate and sensitive displacement measurements.
    • Achieved sensor accuracy is better than 1.0%, with a maximum detector displacement of approximately 10 micrometers for forces ranging from 0 to 6 N.

    Conclusions:

    • The newly developed MR-compatible force sensor, utilizing optical micrometry, offers superior accuracy and sensitivity.
    • This sensor is suitable for precise force and displacement measurements in demanding MR settings.
    • The performance metrics indicate its potential for advancing research and applications requiring MR compatibility.