Catheter with multiple irrigated electrodes and a force sensor

摘要

A probe, including an insertion tube and an electrode mounted on a distal end of the insertion tube. A force sensor is mounted in the distal end of the insertion tube. The force sensor has a central opening and is configured to measure a force on the distal end. The probe also includes tubing, passing through the central opening, which is configured to supply irrigation fluid through apertures in the electrode.

主权项

1. A probe, comprising:
an insertion tube; an electrode mounted on a distal end of the insertion tube, the electrode comprising a plurality of separate electrodes having respective sets of apertures; a force sensor mounted in the distal end, the force sensor having a central opening and being configured to measure a force on the distal end; tubing, passing through the central opening, and configured to supply irrigation fluid through apertures in the electrode; respective irrigation tubes, connected to the tubing, which feed the respective sets of apertures; and respective valves connected to the respective irrigation tubes, wherein the respective valves are able to set respective flow rates of the irrigation fluid to the respective sets of apertures.