Methods, systems and devices for humidifying a respiratory tract
US8939152B2 · kind B2 · utility
4Cited by
695References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2011 |
| Grant date | Jan 27, 2015 |
| Priority date | — |
| Expiry date | May 21, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/7527
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Systems and methods are provided for humidifying ventilation gas. Systems and methods may include a nasal interface apparatus for receiving ventilation gas from gas delivery tubing and for humidifying ventilation gas. The nasal interface apparatus may have one or more channels within the nasal interface to deliver gas from a gas delivery circuit to a patient's nose; one or more structures in fluid communication with the one or more channels to direct ventilation gas to the patient's nose; and a hygroscopic material within the nasal interface in the flow path of the ventilation gas.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.