Method of and apparatus for the detector of neoplasms and other

Details Method of and apparatus for the detector of neoplasms and other Method of and apparatus for the detector of neoplasms and other

1975-09-04

1977-08-02

Michell, Robert W.

Surgery

Truss

Perineal

324 57R, 324 62, A61B 505

Patent

active

040389758

ABSTRACT:
A living specimen of a mucous membrane tissue is connected in series with a high-frequency voltage generator and a pair of like-valued resistors. The bulk of the membrane sample is connected via a larger-area contact to the grounded terminal of the generator, while a test spot of the membrane sample is connected via a small-area contact to the terminal of one of the resistors remote from its junction with the other resistor. Measurement of the potential at the test spot and at two other points of the circuit are simultaneously made, and are evaluated in an analog computer or other suitable facilities to derive therefrom the real and imaginary parts of the potential at the test spot of the membrane sample. The relative amplitudes of the real and imaginary components are indicative of the presence or absence of a neoplasm.

REFERENCES:
patent: 2184511 (1939-12-01), Bagno et al.
patent: 3048775 (1962-08-01), Calvert
patent: 3064641 (1962-11-01), Manenti et al.
patent: 3085566 (1963-04-01), Talles
patent: 3316896 (1967-05-01), Thomassett
patent: 3949736 (1976-04-01), Vrana et al.
Geddes et al., "Measurement of Phys. Events by Elec. Imp.", The Am. J. Med. Elec., Jan.-Mar. 1964, pp. 16-27.
Kaysey et al., "Ident. of Cond. Tissue of Heart," Am. J. Med. Elec., Apr.-June 1963, pp. 120-124.

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