Peripheral impedance plethysmography electrode and system...

Details Peripheral impedance plethysmography electrode and system... Peripheral impedance plethysmography electrode and system...

2011-05-17

2011-05-17

Hoekstra, Jeffrey G (Department: 3736)

Surgery

Diagnostic testing

Measuring electrical impedance or conductance of body portion

C600S382000, C600S384000

Reexamination Certificate

active

07945318

ABSTRACT:
In a system and method for peripheral impedance plethysmography, an electrode for application to the patient's limb includes two outer current electrodes and two inner voltage electrodes. A distance between the two inner electrodes is automatically input into an analyzing device, either as a pre-stored value or as determined automatically from the electrode. Peripheral blood flow is calculated in accordance with that distance.

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Bioelectromagnetism, Principles and Applications of Bioelectric and Biomagnetic Fields, Jaakko Malmivuo and Robert Plonsey, Oxford University Press, 1995, Chapter 25, “Impedance Plefhysmography”.

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