Geoffrey Douglas Tansley;Peter Joseph Ayre;Peter Andrew Watterson;John Campbell Woodard
发明人:
Peter Joseph Ayre,Geoffrey Douglas Tansley,Peter Andrew Watterson,John Campbell Woodard
申请号：
US13594691
公开号：
US08870552B2
申请日:
2012.08.24
申请国别(地区):
US
年份:
2014
代理人:
摘要：
A pump assembly and estimation and control system therefor, the pump adapted for continuous flow pumping of blood. In a particular form, the pump is a centrifugal pump wherein the impeller is entirely sealed within the pump housing and is exclusively hydrodynamically suspended therein against movement in three translational and two rotational degrees of freedom as the impeller rotates within the fluid urged by electromagnetic means external to the pump cavity. Hydrodynamic suspension is assisted by the impeller having deformities therein such as blades with surfaces tapered from the leading edges to the trailing edges of bottom and top surfaces thereof.
