Leakage in the Proximity of Microwave Diathermy Applicators Used on Humans or Phantom Models
Howard I. Bassen, Gideon Kantor, Paul S. Ruggera, Donald M. Witters, Jr. · 1978
Finding
From typical 2450 MHz microwave diathermy treatments using a BRH-developed Transco applicator and performed on humans or phantoms at low levels, the leakage at 5 cm from the surface of the applicator/tissue interface was extrapolated to effective treatment conditions (235 W/kg delivered to the phantom muscle material). The leakage levels for the human back, thigh, and elbow treatments were computed to be less than 5 mW/cm2
In their words
“From typical 2450 MHz microwave diathermy treatments using a BRH-developed Transco applicator and performed on humans or phantoms at low levels, the leakage at 5 cm from the surface of the applicator/tissue interface was extrapolated to effective treatment conditions (235 W/kg delivered to the phantom muscle material). The leakage levels for the human back, thigh, and elbow treatments were computed to be less than 5 mW/cm2”
Figures from the Original Paper
Diagrams extracted from the original research document.
Exposure Details
- SAR
- 235 W/kg
- Exposure Duration
- less than 1-minute duration
Exposure Context
This study used 235 W/kg for SAR (device absorption):
- 587.5x above the Building Biology guideline of 0.4 W/kg
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Show BibTeX
@article{leakage_in_the_proximity_of_microwave_diathermy_applicators_used_on_humans_or_ph_g6059,
author = {Howard I. Bassen and Gideon Kantor and Paul S. Ruggera and Donald M. Witters and Jr.},
title = {Leakage in the Proximity of Microwave Diathermy Applicators Used on Humans or Phantom Models},
year = {1978},
}