Tube system for ventilation appliances
US8181649B2 · kind B2 · utility
36Cited by
11References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 9, 2006 |
| Grant date | May 22, 2012 |
| Priority date | — |
| Expiry date | May 16, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/15
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a three-arm tube system for a ventilation appliance suitable for invasive ventilation. Such a ventilation appliance includes an active inhalation valve and an active exhalation valve. The tube system also includes an inhalation tube arm, an exhalation tube arm and a ventilation tube arm for attachment to a mask, and also a flow sensor. A defined leakage is established in the ventilation tube arm, and the flow sensor is arranged between the leakage and the mask. The invention further relates to a ventilation appliance having such a tube system, and to a method for operating the ventilation appliance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.