Negative pressure generating device and application thereof
US10159595B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2014 |
| Grant date | Dec 25, 2018 |
| Priority date | — |
| Expiry date | Apr 6, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/8262
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a negative pressure generator comprising a vacuum pump having an intake end and an exhaust end, a soundproofing module having a compartment for accommodating the vacuum pump, the soundproofing module being configured to insulate noise and vibration generated when the vacuum pump is in operation, and a silencing tube module comprising a flexible intake tube having one open end communicating with the intake end of the vacuum pump and a flexible exhaust tube having one open end communicating with the exhaust end of the vacuum pump, the silencing tube module being configured to reduce noise generated at the intake end and/or the exhaust end of the vacuum pump when the vacuum pump is in operation. The negative pressure generator can provide a vacuum source to an oral interface device to favorably create a negative pressure environment in a user's oral cavity so that the patency of the user's upper airway is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.