Surgery – Truss – Pad
Patent
1981-06-30
1984-12-18
Howell, Kyle L.
Surgery
Truss
Pad
128716, A61B 508
Patent
active
044885598
ABSTRACT:
A microwave radiometer for the passive, noninvasive measurement of fluid content in animal bodies. The radiometer system includes a ridged waveguide antenna which is responsive to frequencies in the microwave range emitted from the patient's body and is of compact size and light in weight so as to be easily secured to the patient with minimum discomfort and loss of mobility. A heating system is attached to the antenna so as to maintain antenna temperature at approximately the temperature of the patient's body surface. The associated control circuitry processes signals received from the antenna at one or more frequencies and produces an output signal which correlates to the amount of fluid within the measured region of the body.
REFERENCES:
patent: 4162500 (1979-07-01), Jacobi et al.
patent: 4240445 (1980-12-01), Iskander
patent: 4346716 (1982-08-01), Carr
Graf, Modern Dictionary of Electronics, "Dielectric", Third Edition, 1970.
Iskander and Durney, Medical Diagnosis and Imaging Using Electromagnetic Techniques, Proc. of NATO Advanced Study Institute, on Theoretical Methods for Determining the Interaction of Electromagnetic Waves with Structures, Norwich, England, (Jul. 23-Aug. 4, 1979).
Iskander and Durney, Electromagnetic Techniques for Medical Diagnosis; A Review, 68 Proc. of the IEEE 1, (Jan. 1980).
Barrett et al., Science, vol. 190, Nov. 14, 1975, pp. 669-671.
Bragg et al., Investigative Radiology, May-Jun. 1977, pp. 289-291.
Hanley John C.
Howell Kyle L.
University of Utah
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