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Polymer-encapsulated drug particles

Grant US12576037B2 Kind: B2 Mar 17, 2026

Assignee

Tonic Medical, Inc.

Inventors

Lixiao Wang, Peter Barnett

Abstract

Various embodiments disclosed relate to polymer-encapsulated drug particles and a drug-releasing coating including the same, as well as drug-coated balloon catheters for treating, preventing, or reducing the recurrence of 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. The balloon catheter includes a coating layer overlying an exterior surface of the balloon. The coating layer includes the polymer-encapsulated drug particles; or a drug-releasing coating including the polymer-encapsulated drug particles; or a therapeutic agent and a first and/or second additive; or a combination thereof.

CPC Classifications

A61K 9/4816 A61K 9/4833 A61K 31/337 A61K 31/436 A61P 1/00 A61M 25/10 A61M 25/1029 A61M 2025/105 A61M 2210/105

Filing Date

2021-02-19

Application No.

17180338

Claims

31