Differential temperature integrating diagnostic method and appar

Details Differential temperature integrating diagnostic method and appar Differential temperature integrating diagnostic method and appar

1975-01-06

1976-06-01

Howell, Kyle L.

Surgery

Truss

Perineal

73342, 324 94, A61B 500

Patent

active

039601382

ABSTRACT:
A method and device for detecting the presence of breast cancer in women by integrating the temperature difference between the temperature of a normal breast and that of a breast having a malignant tumor. The breast-receiving cups of a brassiere are each provided with thermally conductive material next to the skin, with a thermistor attached to the thermally conductive material in each cup. The thermistors are connected to adjacent arms of a Wheatstone bridge. Unbalance currents in the bridge are integrated with respect to time by means of an electrochemical integrator. In the absence of a tumor, both breasts maintain substantially the same temperature, and the bridge remains balanced. If the tumor is present in one breast, a higher temperature in that breast unbalances the bridge and the electrochemical cells integrate the temperature difference with respect to time.

REFERENCES:
patent: 3339542 (1967-09-01), Howell
patent: 3623473 (1971-11-01), Andersen et al.
patent: 3651694 (1972-03-01), Lamb
patent: 3688296 (1972-08-01), Donohue et al.
patent: 3699813 (1972-10-01), Lamb
patent: 3830224 (1974-08-01), Vanzetti et al.
patent: 3847139 (1974-11-01), Flam
patent: 3875505 (1975-04-01), Goldberg
patent: 3878371 (1975-04-01), Burke

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