Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Non-invasive thermometry with multi-frequency microwave radiometry.

S Mizushina1, T Shimizu, T Sugiura

  • 1Research Institute of Electronics, Shizuoka University, Hamamatsu, Japan.

Frontiers of Medical and Biological Engineering : the International Journal of the Japan Society of Medical Electronics and Biological Engineering
|January 1, 1992
PubMed
Summary

Researchers developed a non-invasive microwave radiometry thermometer to measure tissue temperature profiles. This method uses advanced modeling and Monte Carlo techniques, achieving high accuracy for depth temperature measurements.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Five-band microwave radiometer system for non-invasive measurement of brain temperature in new-born infants: system calibration and its feasibility.

Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference·2007
Same author

Monitoring of deep brain temperature in infants using multi-frequency microwave radiometry and thermal modelling.

Physics in medicine and biology·2001
Same author

Parametric signal restoration using artificial neural networks.

IEEE transactions on bio-medical engineering·1996
Same author

Guide for the protection of occupationally-exposed personnel in hyperthermia treatment from the potential hazards to health.

International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·1993
Same author

Guide to the use of hyperthermia equipment. 2. Microwave heating. The Japanese Society of Hyperthermic Oncology.

International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·1993
Same author

Guide to the use of hyperthermic equipment. 1. Capacitively-coupled heating.

International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·1993

Area of Science:

  • Biomedical Engineering
  • Medical Physics
  • Radiometry

Background:

  • Accurate non-invasive tissue temperature monitoring is crucial for various medical applications, including hyperthermia treatment.
  • Existing methods often lack precision or require invasive procedures.

Purpose of the Study:

  • To report the development status of a non-invasive thermometer utilizing microwave radiometry.
  • To establish a method for retrieving temperature-depth profiles with confidence intervals.

Main Methods:

  • Developed a model fitting technique combined with Monte Carlo simulations.
  • Utilized multi-frequency band (4-6 bands, 1-5 GHz) microwave radiometric data.
  • Measured brightness temperatures through a 1 cm water bolus for heating compatibility.

Related Experiment Videos

Main Results:

  • Successfully retrieved temperature-depth profiles with confidence intervals (2-sigma).
  • Numerical simulations indicate 2-sigma intervals of ≤1.0 K (0-4 cm) and 1.4 K (5 cm).
  • Demonstrated method capabilities through phantom experiments.

Conclusions:

  • The developed microwave radiometry technique shows promise for accurate non-invasive tissue thermometry.
  • A six-band radiometer is being assembled, aiming for high brightness temperature resolution (0.03 K).