Devices and methods for evaluating tissue
First Claim
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1. A method for measuring localized biological transfer impedance (LBTI) of a tissue, comprising:
- passing a current through the tissue using a first plurality of electrodes;
measuring a signal corresponding to a voltage resulting from passing the current through the tissue using a second plurality of electrodes, wherein all electrodes of the first plurality of electrodes are different from all electrodes of the second plurality of electrodes;
analyzing current passed through the tissue and resulting voltage to determine the localized biological transfer impedance (LBTI) of the tissue; and
analyzing the localized biological transfer impedance (LBTI) of the tissue to determine a status of the tissue, wherein a direction of measuring the signal is not collinear with a direction along which the current is passed.
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Abstract
Embodiments of devices and methods for evaluating tissue are disclosed. In one embodiment, a method for measuring a characteristic of a tissue may include passing a current through the tissue, measuring a signal corresponding to the voltage resulting from passing the current through the tissue, analyzing current passed through the tissue and resulting voltage to determine the electrical characteristics of the tissue; and analyzing the electrical characteristics of the tissue to determine a status of the tissue.
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Citations
52 Claims
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1. A method for measuring localized biological transfer impedance (LBTI) of a tissue, comprising:
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passing a current through the tissue using a first plurality of electrodes; measuring a signal corresponding to a voltage resulting from passing the current through the tissue using a second plurality of electrodes, wherein all electrodes of the first plurality of electrodes are different from all electrodes of the second plurality of electrodes; analyzing current passed through the tissue and resulting voltage to determine the localized biological transfer impedance (LBTI) of the tissue; and analyzing the localized biological transfer impedance (LBTI) of the tissue to determine a status of the tissue, wherein a direction of measuring the signal is not collinear with a direction along which the current is passed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 48)
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18. A method for measuring the localized biological transfer impedance (LBTI) of a tissue, comprising:
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passing a current through the tissue using a first plurality of electrodes; measuring a signal corresponding to a voltage resulting from passing the current through the tissue using a second plurality of electrodes, wherein all electrodes of the first plurality of electrodes are different from all electrodes of the second plurality of electrodes, wherein at least one measurement of the signal is collinear with the current passed through the tissue and at least one measurement of the signal is not collinear with the current passed through the tissue; analyzing the current passed through the tissue and resulting voltage to determine the localized biological transfer impedance (LBTI) of the tissue; analyzing the localized biological transfer impedance (LBTI) of the tissue to determine a status of the tissue; and measuring and determining the localized biological transfer impedance (LBTI) at a plurality of frequencies simultaneously. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 50, 51, 52)
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33. A method for measuring the localized biological transfer impedance (LBTI) of a tissue, comprising:
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passing a current through the tissue using a first plurality of electrodes; measuring a signal corresponding to a voltage resulting from passing the current through the tissue using a second plurality of electrodes, wherein all electrodes of the first plurality of electrodes are different from all electrodes of the second plurality of electrodes; analyzing the current passed through the tissue and resulting voltage to determine the localized biological transfer impedance (LBTI) of the tissue; and analyzing the localized biological transfer impedance (LBTI) of the tissue to determine a status of the tissue, wherein a direction of measuring the signal is not collinear with a direction along which the current is passed, and wherein the separation between any two electrodes of the first plurality of electrodes is 3 inches or less, and the separation between any two electrodes of the second plurality of electrodes is 3 inches or less. - View Dependent Claims (34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49)
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Specification