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. 21, 2021
Filed:
Dec. 14, 2017
Applicant:
Surmodics, Inc., Eden Prairie, MN (US);
Inventors:
Joram Slager, Saint Louis Park, MN (US);
Rick Murphy, White Bear Township, MN (US);
Assignee:
Surmodics, Inc., Eden Prairie, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L 29/16 (2006.01); A61L 29/08 (2006.01); C08L 39/06 (2006.01); C08L 67/04 (2006.01); A61M 25/10 (2013.01);
U.S. Cl.
CPC ...
A61L 29/16 (2013.01); A61L 29/085 (2013.01); A61L 2420/06 (2013.01); A61L 2420/08 (2013.01); A61M 25/104 (2013.01); A61M 2025/105 (2013.01); C08L 39/06 (2013.01); C08L 67/04 (2013.01);
Abstract
Drug delivery coatings and devices including the same are described herein. The drug delivery coating has a first coated layer with non-ionic polymer and photogroups, a second coated layer with acid polymer in contact and hydrogen bonded with the first layer, particles with hydrophobic therapeutic agent, and cationic agent. The coating can be provided on a balloon catheter, and the particles and cationic agent can be transferred to tissue during a medical procedure, such as an angioplasty procedure, for a therapeutic effect.