The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2017
Filed:
Mar. 11, 2016
Lutonix, Inc., New Hope, MN (US);
Lixiao Wang, Medina, MN (US);
Lutonix, Inc., New Hope, MN (US);
Abstract
The invention relates to a medical device for delivering a therapeutic agent to a tissue. The medical device has a layer overlying the exterior surface of the medical device. The layer contains a therapeutic agent, an antioxidant, and an additive. In certain embodiments, the additive has a hydrophilic part and a drug affinity part, wherein the drug affinity part is at least one of a hydrophobic part, a part that has an affinity to the therapeutic agent by hydrogen bonding, and a part that has an affinity to the therapeutic agent by van der Waals interactions. In some embodiments, the additive is a liquid. In other embodiments, the additive is at least one of a surfactant and a chemical compound, and the chemical compound has one or more hydroxyl, amino, carbonyl, carboxyl, acid, amide or ester groups.