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A new Tissue Resonator Indenter Device and reliability study.

Ming Jia1, Jean W Zu, Alireza Hariri

  • 1Department of Mechanical & Industrial Engineering, University of Toronto/5 King's College Road, Toronto, ON M5S 3G8, Canada. m.jia@utoronto.ca

Sensors (Basel, Switzerland)
|February 21, 2012
PubMed
Summary

A new portable device, the Tissue Resonator Indenter Device (TRID), reliably measures soft tissue viscoelastic properties in vivo. This study validates TRID

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Area of Science:

  • Biomechanics
  • Biomedical Engineering
  • Medical Device Development

Background:

  • Accurate measurement of soft tissue mechanical properties is vital for medical applications like diagnostics and surgical planning.
  • Existing methods may have limitations in portability or in vivo applicability.
  • The Bio-instrument and Biomechanics Lab at the University of Toronto developed a novel device for this purpose.

Purpose of the Study:

  • To introduce the Tissue Resonator Indenter Device (TRID) and its working principle.
  • To experimentally evaluate the reliability of TRID for in vivo soft tissue property measurements.
  • To assess the impact of inter-rater reliability, intra-rater reliability, and indenter misalignment on TRID's measurements.

Main Methods:

  • Development of a portable device, TRID, for measuring regional viscoelastic properties of soft tissues.
Keywords:
TRIDindenter misalignmentreliabilitytissue mechanical properties

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  • Experimental design to assess TRID's reliability, including inter-rater and intra-rater studies.
  • Investigation of the effect of indenter misalignment on measurement accuracy.

    • Main Results:

    • TRID demonstrated reliable performance in measuring soft tissue viscoelastic properties.
    • Inter-rater and intra-rater reliability assessments confirmed consistent measurements.
    • The study quantified the effect of indenter misalignment, providing insights for optimal usage.

    Conclusions:

    • TRID is a reliable tool for in vivo assessment of soft tissue mechanical properties.
    • The device's reliability is suitable for applications in medical diagnostics, surgery, and training.
    • Further validation and application of TRID in clinical settings are warranted.