The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 14, 2021
Filed:
Aug. 02, 2021
Penumbra, Inc., Alameda, CA (US);
Scott Teigen, West Fargo, ND (US);
Steven Loisel, Castro Valley, CA (US);
Stephen Pons, Alameda, CA (US);
Ben Tompkins, Danville, CA (US);
Penumbra Inc., Alameda, CA (US);
Abstract
An aspiration thrombectomy system, comprising a vacuum source comprising a controllable vacuum valve, a pressure source comprising a controllable pressure valve, an aspiration catheter having a proximal end and a distal end, wherein the proximal end of the aspiration catheter comprises connection tubing having a lumen configured to accommodate fluid, and wherein the connection tubing acts as a common conduit for fluid communication between the aspiration catheter and the vacuum and pressure sources via the vacuum and pressure valves, respectively, and a controller configured to open and close the vacuum and vent valves in a predetermined cycle to change a level of vacuum at the distal end of the aspiration catheter and control flow in and out from the distal end of the catheter.