Instrument for viscoelastic measurement

Details Instrument for viscoelastic measurement Instrument for viscoelastic measurement

1978-11-14

1981-02-17

Michell, Robert W.

Surgery

Truss

Pad

73626, 128630, A61B 1000

Patent

active

042508940

ABSTRACT:
An instrument for viscoelastic measurement, particularly for breast palpation, uses a plurality of spaced elongated electret strips which are pressed into the body being examined by a pressure member which applies a given periodic or steady stress to the tissue beneath the electret strips. Electronic measuring means then interrogates the output voltage of each of the strips in turn and the output of each strip is displayed to produce a display characteristic which will show the presence of an inclusion in the breast tissue being examined.

REFERENCES:
patent: 3308476 (1967-03-01), Kleesattel
patent: 3323352 (1967-06-01), Branson
patent: 3744490 (1973-07-01), Fernandez
patent: 3880145 (1975-04-01), Blick
patent: 3970862 (1976-07-01), Edelman et al.
patent: 3972227 (1976-08-01), Tomilov
patent: 4023562 (1977-05-01), Hynecek et al.
patent: 4144877 (1979-03-01), Frei et al.
patent: 4159640 (1979-07-01), Leveque et al.
37 Transducer for the Continuous External Measurement of Arterial Blood Pressure", Pressman and Newgard, IEEE Transactions on Bio Medical Electronics, Apr. 1963, pp. 73-81.

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