Delivery tube for breathing gas heating and humidification system
US8356593B2 · kind B2 · utility
17Cited by
60References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2008 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/142
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A delivery tube assembly for delivering a breathing gas to a patient, the delivery tube includes a first lumen having an upstream portion and a downstream portion. The lumen is configured to deliver the breathing gas from the upstream portion to the downstream portion. A second lumen is configured to flow an insulating gas around the first lumen. A method of insulating a breathing gas with an insulating gas and discharging the insulating gas to atmosphere is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.