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US 12,280,226 B2Granted
Drug-coated balloon catheters for body lumens
AssigneeUrotronic, Inc.
InventorsLixiao Wang, Peter Barnett, David Hendrickson
Life of this patent
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Abstract
Various embodiments disclosed relate to drug-coated balloon catheters for treating strictures in body lumens and methods of using the same. A drug-coated balloon catheter for delivering a therapeutic agent to a target site of a body lumen stricture includes an elongated balloon having a main diameter. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes one or more water-soluble additives and an initial drug load of a therapeutic agent.
Claims20
A method of treating a target site in body lumen, the method comprising:
- inserting a balloon catheter into the target site in the body lumen, the balloon catheter comprising an elongated balloon comprising at least one neck section, the balloon comprising a first main section and a second main section on opposite sides of the neck section;
- inflating the balloon catheter, wherein the first main section and second main section have a main diameter when the balloon is inflated, the at least one neck section comprises an inflated diameter that is smaller than the inflated main diameter of the first and second sections, and the inflated diameter of the neck section is the smallest diameter of the balloon catheter between the first main section and the second main section when the balloon is inflated;
- deflating the balloon catheter;
- and
- withdrawing the balloon catheter from the body lumen.
2 more elements
Dependencies are inferred from the claim text.