Apparatus and method for evacuating a system
US11517651B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 10, 2019 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Apr 10, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/3351
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention relates to an apparatus for evacuating a collection container, comprising a pump, the pump being suitable for being in connection with the collection container with its inlet, a pressure tank and a directional control valve, the pump transporting a medium out of the collection container and the pressure tank into the atmosphere when the pressure tank is connected to its inlet, wherein the directional control valve is configured to switch the pressure tank from the inlet to the outlet of the pump when a predefined criterion is fulfilled. The present invention further relates to a breast pump device comprising an apparatus for evacuating a collection container and a receiving funnel for receiving a beast of a woman.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.