Abstract
A medical implant for drug delivery comprising an inner layer of polymer material including a drug dispersed therein and an outer layer which may then mediate the release of the drug in a controllable manner. The outer layer may adhere and/or penetrate the underlying layer and offer a protective coating along with improved mechanical strength along with the ability to hydrate and become permeable to water and allow for drug release.
Patent Number
8,652,505
Date Of Issue
Inventors
Xingguo Cheng; Nitin Nitin; Jorge G. Rossini; Stephen T. Wellinghoff