Blood pump shaft bearing
US11565103B2 · kind B2 · utility
14Cited by
22References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 2019 |
| Grant date | Jan 31, 2023 |
| Priority date | — |
| Expiry date | Apr 9, 2041 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2316/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.