ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,792, issued on Nov. 4, was assigned to ABIOMED INC. (Danvers, Mass.).

"Corkscrew shape for right-sided cardiac device" was invented by Christopher Zarins (Boston).

According to the abstract* released by the U.S. Patent & Trademark Office: "A catheter includes a catheter body, a pump assembly and a cannula. The pump assembly can be disposed at a distal end of the catheter body and has a distal portion. The cannula can be coupled to the distal end portion of the pump assembly and can include a proximal cannula portion and a distal cannula portion. The distal cannula portion has an approximately helical shape which can allow the cannula to be inserted into a patient's right heart and...