A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 5/05 (2006.01) A61B 5/053 (2006.01) A61N 1/365 (2006.01)
Patent
CA 2102906
2102906 9318821 PCTABS00025 A physiological monitoring system for monitoring the condition of a patient's body tissue. The device includes electrodes for contacting the tissue to be monitored, circuitry for generating electrical signals at at least two frequencies for application to the tissue and circuitry for monitoring the impedance of the tissue, at the frequencies applied. The device includes in addition apparatus for detecting changes in the relationship of the measured impedances at the frequencies applied, and for processing the detected changes in impedance relationship to provide an indication of the condition of the tissue. The monitoring apparatus may be practiced in the context of an implantable stimulator, such as a cardiac pacemaker, in which the pulse frequency is varied as a function of the detected condition of the tissue.
Medtronic Inc.
Smart & Biggar
LandOfFree
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