US Patent Issued to Penumbra on Sept. 8 for "Apparatus and methods for controlled clot aspiration" (California, North Dakota Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,727,897, issued on Sept. 8, 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: "An aspiration thrombectomy system including an aspiration catheter, a vacuum source to provide negative pressure to the aspiration thrombectomy system, connection tubing to place the vacuum source and the aspiration catheter in fluid communication, controllable valves to control a level of negative pressure provided by the vac...