Medical-grade patches use either a matrix system, where the active ingredient is distributed evenly throughout the patch, or a reservoir system, which controls release from a central chamber.

A new medical patch product, to be used surgically to broaden blood vessels in children with congenital heart disease, went on sale on June 12. The release of Synfolium, as the surgical patch ...

Inspired by medical patches that deliver hormones or nicotine, they certainly sound scientific. But do they work? The short answer is: sometimes, but often not in the way they suggest. While the ...