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:
Mar. 05, 2013
Filed:
Dec. 12, 2008
Anurag Singhal, Ashland, MA (US);
Robert A. Herrmann, Boston, MA (US);
Yixin Xu, Newton, MA (US);
Young-ho Song, Natick, MA (US);
Anurag Singhal, Ashland, MA (US);
Robert A. Herrmann, Boston, MA (US);
Yixin Xu, Newton, MA (US);
Young-Ho Song, Natick, MA (US);
Boston Scientific Scimed, Inc., Maple Grove, MN (US);
Abstract
According to an aspect of the present invention, implantable or insertable medical devices are provided which contain the following: (a) substrate having one or more depressions that contain at least one therapeutic agent and (b) a porous membrane disposed over the substrate and the one or more depressions, which regulate transport of chemical species between the therapeutic-agent-containing depressions and the exterior of the device. The substrate and the porous membrane are formed of different materials each with a different thermal expansion coefficient. Moreover, one of the substrate and the porous membrane at least partially surrounds the other. Other aspects of the present invention are directed to methods of making such medical devices, and methods of treatment using such medical devices.