Medtronic, Inc.

John Vandanacker

Mark T Stewart

Steven J Fraasch

Brian T Howard

Alexander J Hill

Lynn A Davenport

Trenton Jay Rehberger

Qin Zhang

Steven V Ramberg

A pulsed field ablation medical device. Among other things, the medical device includes processing circuitry in communication with an electrosurgical generator and a plurality of electrodes. In one example, the processing circuitry is configured to determine a desired lesion characteristic; determine a first waveform parameter based on the desired lesion characteristic; deliver, via the plurality of electrodes, a first pulsed field waveform of the plurality of pulsed field waveforms based on the first waveform parameter to ablate the area of tissue; measure a second lesion characteristic based on a result of delivering the first pulsed field waveform; determine a second waveform parameter based on the second lesion characteristic; deliver, via the plurality of electrodes, a second pulsed field waveform of the plurality of pulsed field waveforms based on the second waveform parameter to ablate the area of tissue.

Profile parameter selection algorithm for electroporation

A method of determining a pulsed field ablation waveform parameter for creating a desired lesion characteristic in cardiac tissue. The method of provides an electrosurgical generator configured to deliver electroporation pulses, the generator configured to: load predetermined waveform parameters (y); load predetermined modeling data (x); accept entry of a user inputted desired lesion characteristic (u); and determine at least one corresponding pulsed field ablation waveform parameter based on (u), (y); and (x).

Methods and systems for monitoring and modifying pulsed field ablation (PFA) energy delivery to prevent patient safety risks and/or delivery device failure. In particular, some embodiments provide methods and systems for detecting and preventing arcs and arc-induced plasma, and their causal events, during delivery of pulsed field ablation energy, as well as methods and systems for identifying conditions leading to potential delivery device failure and correcting charge imbalance or asymmetry.

Methods of recognizing and eliminating arcs and arc induced plasma during energy delivery in tissue

Growing community of inventors

Rockford, MN, United States of America

John Vandanacker