US Patent Issued to Cardiovascular Systems on Sept. 30 for "Devices and methods for generating orbital motion in drive shafts for rotational medical devices" (Minnesota Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,915, issued on Sept. 30, was assigned to Cardiovascular Systems Inc. (St. Paul, Minn.).

"Devices and methods for generating orbital motion in drive shafts for rotational medical devices" was invented by Joseph P. Higgins (Minnetonka, Minn.), Kayla J. Eichers (Richfield, Minn.) and Jeffrey R. Stone (Minnetonka, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Devices, methods and systems are described that enable achieving a working diameter that is greater than a resting diameter and to stimulate fluid circulation during high-speed rotation. The drag coefficient of the drive shaft is increased and, in some embodiments, the mass is increased. Am...