Sheath assembly for catheter pump
US11964119B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 18, 2021 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Feb 18, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M60/829
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A catheter pump includes a catheter body having at least one lumen therethrough, and comprising a distal end and a proximal end. An expandable impeller assembly includes an expandable impeller and an expandable cannula coupled to the distal end of the catheter body and housing the expandable impeller, the expandable cannula comprising a substantially straight segment having a distal inlet and a proximal outlet, the substantially straight segment configured to straddle an aortic valve. The catheter body comprises a proximal vessel contact zone and a distal vessel contact zone that are each proximal to the substantially straight segment, the proximal vessel contact zone and distal vessel contact zone configured to provide a force against an aortic arch to stabilize the expandable impeller assembly across the aortic valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.