Bipolar Ablation Device
AssigneeCook Medical Technologies LLC
InventorsTyler E. MCLAWHORN, Vihar C. SURTI
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Abstract
A bipolar ablation device and methods for using the same. The bipolar ablation device has a first catheter with a first expandable electrode and a second catheter with a second expandable electrode. The first expandable electrode is expanded on a first side of a septum between two chambers and the second expandable electrode is expanded on a second side of the septum. The size of the electrodes relative to one another is adjusted to concentrate the ablation on one side of the septum and electrical energy is delivered to the electrodes to ablate the tissue.
Claims20
A bipolar ablation device comprising:
- a first elongated member having a first distal end and a second proximal end, a first electrode disposed at the first distal end of the first elongated member and in electrical communication with the first proximal end of the first elongated member, the first electrode having a first size;
- and
- a second elongated member having a second distal end and a second proximal end, a second electrode disposed at the second distal end of the second elongated member and in electrical communication with the second proximal end of the second elongated member, the second electrode being expandable from a collapsed configuration to an expanded configuration having a second size larger than the first size.
A method of ablating a septum utilizing a bipolar ablation device having a first electrode in electrical communication with a first pole of a power source and a second electrode in electrical communication with a second pole of a power source, the method comprising:
- guiding the first electrode to an ablation target area on a first side of a septum, the first electrode having a first size;
- guiding the second electrode to an area on a second side of the septum;
- expanding the second electrode to an expanded configuration having a second size greater than the first size;
- and
- providing power from the power source to the first electrode and the second electrode to ablate tissue at the target area.
A bipolar ablation device comprising:
- a first ablation assembly comprising;
- a first outer catheter having a first outer distal end and a first outer proximal end;
- a first inner catheter having a first inner distal end and a first inner proximal end, the first inner catheter being slidably disposed within a lumen of the first outer catheter;
- a first flexible mesh having a first flexible mesh proximal end coupled to the first outer distal end and a first flexible mesh distal end coupled to the first inner distal;
- a first flexible conductive coating disposed on the first flexible mesh;
- and
- a conductor configured to couple the first flexible conductive coating to a first pole of a power source;
- and
- a second ablation assembly comprising;
- a second outer catheter having a second outer distal end and a second outer proximal end;
- a second inner catheter having a second inner distal end and a second inner proximal end, the second inner catheter being slidably disposed within a lumen of the second outer catheter;
- a second flexible mesh having a second flexible mesh proximal end coupled to the second outer distal end and a second flexible mesh distal end coupled to the second inner distal;
- a second flexible conductive coating disposed on the second flexible mesh;
- and
- a conductor configured to couple the second flexible conductive coating to a second pole of a power source.
Dependencies are inferred from the claim text.