Relating to a respiratory device
US11083866B2 · kind B2 · utility
1Cited by
5References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2017 |
| Grant date | Aug 10, 2021 |
| Priority date | — |
| Expiry date | Mar 2, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A breathing assistance apparatus that comprises a housing with inner and outer walls and an upper surface, wherein the walls and upper surface are integrally formed as a single part to avoid seams or joins between the walls to reduce the risk of damage to electronics within the apparatus as a result of liquid leaks. Also disclosed is a control system for a heating element of a humidifier which provides a secondary or back up protection mechanism to disable power to the heating element if a first electronic protection circuit does not cause the first switching member to disable power to the heating element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.