Humidifier with structure to prevent backflow of liquid through the humidifier inlet
US6935337B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2002 |
| Grant date | Aug 30, 2005 |
| Priority date | — |
| Expiry date | Feb 14, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/65
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An apparatus for humidifying breathable gas includes (a) at least one humidifier part configured to retain a body of liquid therein and defining at least one chamber therein, (b) an inlet communicated with an interior of the at least one humidifier part and connectable to a blower outlet, and (c) an oulet communicated with the interior of the at least one humidifier part and connectable to a patient supply conduit. The at least one chamber is arranged such that liquid from the body of liquid is prevented from exiting the at least one humidifier part through the inlet thereof when the at least one humidifier part is rotated from a working, upright orientation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.