Collapsible and self-expanding cannula for a percutaneous heart pump and method of manufacturing
US10918773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2019 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Apr 24, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M60/857
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein is a collapsible and self-expanding cannula for a percutaneous heart pump. The collapsible and self-expanding cannula comprises an open proximal end, an open distal end, and an elongate fluid-impermissible wall structure that includes a first balloon film, a cannula strut, and a second balloon film. The first balloon film is disposed on an interior surface of the cannula, the second balloon film is disposed on the exterior surface of the cannula, and the cannula strut is between the two balloon films. Together they form an integrated hybrid structure upon thermal fusion bonding. Also disclosed herein is a method of manufacturing the collapsible and self-expanding cannula.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.