ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,490,976, issued on Dec. 9, was assigned to KEISEI MEDICAL INDUSTRIAL Co. LTD. (Tokyo).
"Medical suture thread" was invented by Jumpei Matsuda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a medical suture thread as a multifilament, which is formed easily bendable and ensuring favorable operability. The medical suture thread 100 includes a core thread 110 and an outer thread 120. The core thread 110 includes multiple twisted ultrafine threads 111, and is arranged at a center portion of the medical suture thread 100. In the ultrafine thread 111, an inner-filament cover layer 112 made of 2-methacryloyloxyethyl phosphorylcholine (MPC) is ...