Gases delivery conduit
US7120354B2 · kind B2 · utility
80Cited by
64References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2002 |
| Grant date | Oct 10, 2006 |
| Priority date | — |
| Expiry date | Oct 15, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/161
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A gases delivery conduit for the supply of humidified medical gases as formed from an extruded plastic tube. The extruded plastic tube includes at least one heating element embedded within the wall of the tube. The heating element includes a pair of electrical conductors separated by a positive temperature coefficient material wherein the localised resistance of the material is positively related to the localised temperature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.