Tracheal tube with colorimetric CO2 indicator
US8720445B2 · kind B2 · utility
5Cited by
25References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2008 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Aug 6, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2209/06
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Tracheal tubes having an integrated calorimetric CO2 indicator are provided. In certain embodiment, the integrated CO2 indicator is selectively sealed from the remainder of the tracheal tube by a removable sterilization barrier. Also provided are CO2 indicators that exhibit long lasting, breath-to-breath dynamic color change and are storage stable. The devices and compositions of the invention find use in a variety of applications, e.g. in emergent intubation of a subject. Also provided are methods of making the devices and compositions, as well as kits that include the devices and/or compositions of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.