ALEXANDRIA, Va., July 30 -- United States Patent no. 12,370,357, issued on July 29, was assigned to ABIOMED Inc. (Danvers, Mass.).

"Cannula assembly" was invented by Scott C. Corbett (Danvers, Mass.) and Caitlyn Hastie (Billerica, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Cannula assemblies and methods of manufacturing cannula assemblies are provided. The cannula assembly includes a cannula and a pigtail extension coupled to the cannula. The pigtail extension includes a proximal section having a first stiffness and a distal section having a second stiffness, the first stiffness greater than the second stiffness. The proximal section of the pigtail extension is positioned between the cannula and at...