Patent ID: 11883106
Assignee: ST. JUDE MEDICAL, CARDIOLOGY DIVISION, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
1. A system, comprising:
an electronic control unit (ECU) configured to:
measure an impedance at an interface between an electrode of a catheter and tissue of a patient;
measure contact force between the electrode and the tissue;
calculate a ratio of the measure of impedance and the measure of contact force, wherein the calculated ratio comprises a fraction which utilizes the measure of impedance as one of the numerator or the denominator and the measure of contact force as the other of the numerator or the denominator; and
characterize the tissue for a clinician by presenting the calculated ratio, or by calculating a metric utilizing the calculated ratio and presenting the metric to the clinician.