Reduced thrombosis blood pump with washout bearing
US12171994B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2020 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Nov 23, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M60/148
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bearing assembly is configured to retain an end of an impeller of a blood pump and includes a thrust plate having a distal-facing surface and an impeller bearing surface configured to be disposed adjacent the distal-facing surface such that a gap is defined between the distal-facing surface of the thrust plate and the impeller bearing surface. The impeller bearing surface includes at least one washout blade disposed thereon and configured to facilitate blood flow through the gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.