IMTC,
in collaboration with the Biomedical Interactive Technology Center,
Georgia Tech’s Digital Signal Processing group, and
the Georgia Tech Research Institute, has evolved a device originally
developed by GTRI, to monitor heart rate and respiration from a
distance without touching the body. Patented by Georgia Tech, the
Vital Signs Monitor (VSM) uses high frequency microwaves to detect
heart beat and respiration rate from distances up to a 100 feet.
The device works much like a radar gun used by police to detect
vehicle speed. Aimed at a person, the VSM emits a very low power
signal that bounces of the chest, measuring the movement of the
chest wall. Similar to an EKG, the results are converted
for analysis. While an EKG or other devices require electrodes
to be placed on the chest, the VSM requires no physical contact
or interaction with the subject.
Patent #4958638
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