<p>A blood pump includes an impeller having a plurality of foldable blades and a cannula having a proximal portion with a fixed diameter, and a distal portion with an expandable diameter. The impeller can reside in the expandable portion of the cannula. The cannula has a collapsed condition for percutaneous delivery to a desired location within the body, and an expanded condition in which the impeller can rotate to pump blood. A flexible drive shaft can extend through the cannula for rotationally driving the impeller within the patient's body.</p>
申请公布号
EP2448613(A1)
申请公布日期
2012.05.09
申请号
EP20100730680
申请日期
2010.07.01
申请人
THE PENN STATE RESEARCH FOUNDATION;THORATEC CORPORATION