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US 2022/0022932 A1Published application
Ablation systems, devices and methods for the treatment of tissue
AssigneeFractyl Laboratories, Inc.
InventorsJay Caplan, Philip S. Levin, Andrew Coats, Harith Rajagopalan, Mark A. Manasas, J. Christopher Flaherty
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Abstract
A device for ablating target tissue of a patient with an ablative fluid is provided. An elongate shaft includes a proximal portion and a distal portion, and at least one fluid delivery element is attached to the distal portion. The device can be configured to ablate the duodenal mucosa of a patient while avoiding damage to the duodenal adventitial tissue. Systems and methods of treating target tissue are also provided.
Claims46
A device for ablating tissue of a patient with a delivered vapor comprising:
- an elongate shaft having a proximal portion and a distal portion;
- at least one fluid delivery element positioned on the elongate shaft distal portion and constructed and arranged to deliver ablative fluid to directly contact the target tissue;
- and
- a tissue expansion assembly constructed and arranged to deliver a fluid to submucosal tissue to expand the submucosal tissue;
- wherein the device is constructed and arranged to ablate duodenal mucosal tissue while avoiding damaging duodenal adventitial tissue.
2 more elements
Dependencies are inferred from the claim text.