Blood pump with separate mixed-flow and axial-flow impeller stages and multi-stage stators
US10111994B2 · kind B2 · utility
16Cited by
61References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 2014 |
| Grant date | Oct 30, 2018 |
| Priority date | — |
| Expiry date | Mar 26, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M60/148
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A pump for a fluid which can be blood has a stator housing and a rotor hub with leading and trailing portions and an intermediate portion disposed therebetween. At least one impeller blade at the leading portion drives circumferential and axial components of a flow into a pump annulus or intermediate pathway portion. At least one stator blade extends radially inward from the stator housing within the intermediate pathway portion and is configured to reduce a circumferential component of the flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.