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:
Jan. 13, 2009
Filed:
Aug. 26, 2005
John C. Woodard, Thornleigh, AU;
Peter A. Watterson, West Ryde, AU;
Geoffrey D. Tansley, Normanhurst, AU;
John C. Woodard, Thornleigh, AU;
Peter A. Watterson, West Ryde, AU;
Geoffrey D. Tansley, Normanhurst, AU;
Ventrassist Pty Ltd., Sydney, AU;
University of Technology at Sydney, Sydney, AU;
Abstract
A pump assemblyadapted for continuous flow pumping of blood. In a particular form the pumpis a centrifugal pump wherein the impelleris entirely sealed within the pump housingand is exclusively hydrodynamically suspended therein as the impeller rotates within the fluidurged by electromagnetic means external to the pump cavity Hydrodynamic suspension is assisted by the impellerhaving deformities therein such as bladeswith surfaces tapered from the leading edgesto the trailing edgesof bottom and top edgesthereof.