Thoratec Corporation;The Penn State Research Foundation
发明人:
Robert L. Campbell,Justin M. Walsh,Daniel Metrey,Robert F. Kunz,Thomas M. Mallison,Edward Boone,Eric Meyer,Mark W. McBride,Kevin J. Powell,Daniel A. Walters
申请号：
US13968161
公开号：
US20130331639A1
申请日:
2013.08.15
申请国别(地区):
US
年份:
2013
代理人:
摘要：
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.
