Irrigation workflow for pulsed field ablation
OwnerChristopher Thomas Beeckler, Assaf Govari +2inventors
InventorsChristopher Thomas Beeckler, Assaf Govari, Andres Claudio Altmann, Athanassios Papaioannou
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Abstract
A method for irrigation during pulsed field ablation (PFA) includes operating a pump for delivering irrigation in idle mode, receiving a first user command to deliver a PFA sequence and toggling the pump to active mode. The first PFA sequence is delivered after a pre-defined ramp-up delay, and a timer is preset to be ON for a defined working duration. A second user command to delivery a PFA sequence is received and delivered with no imposed delay while the timer is ON. The timer is reset based on the second user command. The pump is toggled to idle mode after the defined working duration lapses.
Claims15
A method for irrigation during pulsed field ablation (PFA), the method comprising:
- operating a pump configured for delivering irrigation to a lesion site in idle mode;
- receiving a first user command to initiate delivery of a PFA sequence;
- toggling the pump operation from idle mode to active mode based on receiving the first user command;
- delivering a first PFA sequence after a pre-defined ramp-up delay based on the toggling;
- activating a timer, wherein the timer is preset to be ON for a defined working duration;
- receiving a second user command to initiate delivery of a PFA sequence;
- delivering a second PFA sequence with no imposed delay based on the second user command as long as the timer is ON;
- resetting the timer based on the second user command;
- and
- toggling the pump operation to idle mode after the defined working duration lapses.
A system for pulsed field ablation (PFA) comprising:
- a catheter comprising one or more electrodes configured for delivering a PFA sequence to a selected lesion site;
- a generator configured for delivering PFA sequences to the one or more electrodes, each sequence configured for forming a lesion in the selected lesion site;
- a pump configured for delivering irrigation to the lesion site, wherein the pump is configured for operating in on of an idle mode and an active mode;
- a controller configured for controlling operation the of pump in coordination with operation of the generator, wherein the controller includes a timer configured to be activated for a defined working duration based on the generator delivering a PFA sequence and wherein the controller is configured to:
- operate the pump in idle mode at startup;
- identify a first user command to the generator to initiate delivery of the PFA sequence;
- toggle the pump operation from idle mode to active mode based on identifying the first user command;
- delay delivery of the first PFA sequence for a pre-defined ramp-up period based on the toggling;
- activate the timer based on delivering the first PFA sequence;
- identify a second user command to the generator to initiate delivery of a PFA sequence;
- enable delivery of a second PFA sequence with no imposed delay based on the second user command as long as the timer is ON;
- reset the timer based on identifying the second user command;
- and
- toggle the pump operation to idle mode after the defined working duration lapses.
Dependencies are inferred from the claim text.