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US 2026/0294500 A1Published application
Catheter with multiple cryotherapy delivery sites
OwnerMina Padulainventor
Life of this patent
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Abstract
A catheter includes a tip portion and a therapy portion. The tip portion is configured to deliver cryotherapy. The therapy portion extends from the tip portion. The therapy portion includes one or more segments. Each segment is configured to deliver cryotherapy. Electrodes are disposed on an outer surface of the therapy portion.
Claims17
A catheter comprising:
- a tip portion that is configured to deliver cryotherapy;
- a therapy portion that extends from the tip portion, the therapy portion including one or more segments, each segment configured to deliver cryotherapy;
- and
- a plurality of electrodes disposed on an outer surface of the therapy portion.
1 more element
A method comprising:
- inserting a catheter in a human body, the catheter includes a catheter tip and a therapy portion near the catheter tip;
- locating the catheter tip in a heart chamber;
- bringing the catheter tip into contact with a heart wall;
- reducing temperature of the catheter tip to adhere the catheter tip to the heart wall;
- applying a force along the catheter to bring the therapy portion in contact with the heart wall;
- and
- applying therapy to the heart wall from the therapy portion.
4 more elements
A catheter comprising:
- a tip portion that has a roughened or corrugated surface and is configured to deliver cryotherapy;
- a therapy portion that extends from the tip portion, the therapy portion including three or more segments, each segment configured to deliver cryotherapy;
- a plurality of coolant delivery conduits and coolant removal ducts connected to the tip and to each of the one or more segments;
- a plurality of electrodes, each electrode formed of a conductive ring disposed along an outer surface of the therapy portion;
- and
- a plurality of electrical connections connected to the plurality of electrodes to transmit electrical current to and from the plurality of electrodes.
3 more elements
Dependencies are inferred from the claim text.