HINGHAM, Mass.--(BUSINESS WIRE)--Phase One Medical, L.L.C. a privately held medical device research and development company announced today that the U.S. Patent and Trademark Office has issued a second patent covering their Distal Locking Hemodialysis Catheter Technology. The patent (USP# 8,052,659) entitled: “Catheter Device” provides broadened claims for the company’s methods of opening and closing the distal end of a hemodialysis catheter.
