Laszlo T. Farago,Daniel H. Vancamp,Benjamin Breidall,Joseph A. Kronstedt
申请号:
US16657246
公开号:
US20200121835A1
申请日:
2019.10.18
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A blood pump includes an impeller; a drive shaft coupled to the impeller and configured to rotate with the impeller; a motor configured to drive the impeller; and a bearing assembly disposed adjacent the motor and configured to receive an end of the drive shaft. The bearing assembly includes a bearing, where the end of the drive shaft is at least partially rounded, and the where the bearing includes a concave depression defined in a first side of the bearing, where the depression is configured to receive the end of the drive shaft. The bearing assembly may include a lubricant chamber configured to hold a lubricant.