Gewebenähe-Indikatorschwelle für die Herzablation

Details

Veröffentlichungs-Nr.

EP4740883

Anmeldetag

10. November 2025

Veröffentlichung

13. Mai 2026

Rechtsraum

EP

IPC

A61B18/12(PAPPONE CARLO et al.)

Abstract

In one exemplary mode, an apparatus includes a catheter including an electrode to provide an intracardiac electrogram (IEGM) signal and a signal used to sense impedance, an ablation energy generator configured to conduct ablative energy to the electrode of the catheter based on user input, a controller configured to sample the IEGM signal from the electrode before and after a given ablation, and sense impedance between the electrode and tissue, and a processor configured to compare the sensed impedance with a TPI threshold to determine a contact status of the electrode with respect to the tissue, render to a display an indication of the determined contact status, compute a change in the IEGM signal due to the given ablation, and adjust the TPI threshold for subsequent ablations based on the computed change in the IEGM signal due to the given ablation of the tissue with the electrode.

Anmelder

Firma

Biosense Webster (Israel) Ltd.

Land

🇮🇱 Israel

Fachgebiete