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, 2010
Filed:
May. 22, 2007
Douglas Vincent, Pelham, NH (US);
Matthew J. Murphy, Braintree, MA (US);
Douglas Vincent, Pelham, NH (US);
Matthew J. Murphy, Braintree, MA (US);
Design Mentor, Inc., Pelham, NH (US);
Abstract
A pumping system, FIG.provides a physiological pulsatile flow and includes controller, a pump drive headcoupled to a motorand a fluid housinghaving at least one port. The portincludes a ball valve retainer region, a valve seat, and an occluder balldisposed in the ball valve retainer region. During operation, the motorforces the fluid in and out the fluid housingand causes the occluder ballto move from a first position whereby the fluid cannot pass through the port, to a second position whereby the fluid moves annular to and generally around the occluder ball. This movement creates a slight flow reversal that 'breaks up' any blood clots that may form. The pumping system may be used as part of a cardiopulmonary bypass system, a ventricular assist device (VAD) and/or a heart pump.