Patent ID: 11918377
Assignee: MEDTRONIC, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. A medical system comprising:
a medical device comprising a first electrode, a second electrode, a third electrode, and a fourth electrode, each of the electrodes configured to be placed in contact with skin of a patient and held in position with a compressive member that is free of adhesives,
wherein the third electrode surrounds the first electrode,
wherein the fourth electrode surrounds the second electrode,

first circuitry configured to output an impedance measurement signal via the first and second electrodes and induce a voltage on the skin of the patient,
second circuitry configured to measure the induced voltage via the third and fourth electrodes, and
processing circuitry configured to:
receive an output from the second circuitry,
determine a biological impedance for the patient based on the received output; and
detect electrocardiogram (ECG) signals from the patient based on the received output simultaneously with determining the biological impedance.