MEMPHIS, Tenn.--(BUSINESS WIRE)--Ariste Medical, Inc., announced today that a key patent has been issued by the United States Patent and Trademark Office (USPTO). The U.S. patent (#8,236,338) covers a formulation capable of coating polytetrafluoroethylene (PTFE) and expanded PTFE, more commonly known as Teflon® and Gore-Tex®, respectively. The novel coating is capable of incorporating multiple pharmaceutical agents, enabling surgically implantable medical devices made from PTFE or ePTFE to also be used as drug-delivery devices. Ariste is presently developing a drug-eluting vascular graft for the prevention of restenosis-induced graft failure in hemodialysis patients.
