US Patent Issued to Penumbra on Sept. 9 for "Apparatus and methods for controlled clot aspiration" (California, North Dakota Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,408,933, issued on Sept. 9, was assigned to Penumbra Inc. (Alameda, Calif.).

"Apparatus and methods for controlled clot aspiration" was invented by Scott Teigen (West Fargo, N.D.), Steven Loisel (Castro Valley, Calif.), Stephen Pons (Alameda, Calif.) and Ben Tompkins (Danville, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vacuum aspiration control system for use with a vacuum source and an aspiration catheter includes a connection tubing configured to act as a fluid conduit between the vacuum source and the aspiration catheter. A controllable valve is configured to control a level of vacuum in the connection tubing provided by the vacuum sou...