Electrical impedance measuring method for differentiating...

Details Electrical impedance measuring method for differentiating... Electrical impedance measuring method for differentiating...

G - Physics

01

N

G01N 33/487 (2006.01) A61B 5/05 (2006.01) A61B 5/053 (2006.01) G01N 27/02 (2006.01) G01N 33/483 (2006.01)

Patent

CA 2401508

A method for differentiating tissue types, which is suitable as a method for obtaining data to enable a cancer screening process, comprises applying an alternating electric current to an area of tissue across a range of frequencies. The tissue impedance is measured at each frequency and the results fitted to a Cole equation. It has been found that the method is good at distinguishing between tissues having different size nuclei, or different ratios of nuclear to cytoplasm volume. This is related to the resistance (S) to electrical current flow through cytoplasm. Results may be improved by combining S with a value (R) for the resistance offered to electrical current through pathways between the cells. The method may be used in vivo or in vitro.

L'invention concerne un procédé permettant de différencier des types de tissus, ledit procédé étant approprié pour obtenir des données qui permettent le criblage d'un cancer, et consistant à appliquer un courant électrique alternatif sur une zone tissulaire en fonction d'une plage de fréquences. On mesure l'impédance tissulaire au niveau de chaque fréquence, et on adapte les résultats à une équation de Cole. On a découvert que ce procédé permettait de distinguer des tissus possédant des noyaux de tailles différentes, ou des rapports nucléaires différents par rapport au volume cytoplasmique, du fait de la résistance (S) à l'écoulement de courant électrique à travers le cytoplasme. Il est possible d'améliorer ces résultats par combinaison de S avec une valeur (R) de la résistance offerte au courant électrique à travers les chemins situés entre les cellules. On peut utiliser ce procédé in vivo ou in vitro.

Affiliated with

Also associated with

Rating

Electrical impedance measuring method for differentiating... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electrical impedance measuring method for differentiating..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical impedance measuring method for differentiating... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-1887583