Electric mammograph

Details Electric mammograph Electric mammograph

1999-03-08

2000-12-26

Smith, Ruth S.

Surgery

Diagnostic testing

Measuring electrical impedance or conductance of body portion

128920, 324717, A61B 505

Patent

active

061673005

ABSTRACT:
The electric mammograph is an electrical impedance tomograph device for obtaining three-dimensional images of the conductivity distribution in biological tissues. A planar array of electrodes is put in contact with the tissues of interest. An AC source is connected to a single remotely attached electrode and to one of the planar array electrodes. Potential differences between the at rest electrodes in the planar array and a second remote at rest electrode are measured. The images are reconstructed using a modified back projection method.

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Nowakovsky, A., J. Wortek, and J. Stelter, "A Technical University of Gdansk Electroimpedance Mammograph," Proc. IX Int. Conf. Electrical Bio-Impedance, Heidelberg, 1995, pp. 434-437.
Wortek, J.,J. Stelter, A. Nowakovsky, "Impedance mammograph 3D phantom studies," Proc. X Int. Conf. Electrical Bio-Impedance, Barcelona, 1998, p. 521-524.

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