Sutureless inflow cannula assembly for connecting ventricular assist devices to human circulation
US12233252B2 · kind B2 · utility
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3References
11Claims
0Family size
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Key dates
| Filing date | Mar 15, 2022 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Jun 9, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An inflow cannula assembly intended for connecting a ventricular assist device (VAD) to a heart chamber without suturing anastomosis is provided. The inflow cannula assembly includes a deformable flow cannula with funnel-shaped bellmouth intake at a first end and a second end interfaced to the inlet of a VAD with minimal interface discontinuity; also includes is a pair of male and female fasteners that can be screw locked to fix and seal the cannula bellmouth against the endocardium for hemostasis purpose; as well as a VAD coupler and a VAD inlet adapter that enable a quick connection of the cannula with the VAD.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.