Valved fenestrated tracheotomy tube
US5957978A · kind A · utility
79Cited by
14References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 22, 1997 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Dec 22, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0497
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tracheotomy tube comprises a first port for orienting outside the neck of a wearer, a second port for orienting within the trachea of the wearer, and a passageway connecting the first and second ports to permit the flow of gases from the first port to the second port on inhalation by the wearer and from the second port to the first port on exhalation by the wearer. The tracheotomy tube further comprises a third port oriented between the first and second ports, and a valve controlling flow through the third port. The valve opens to permit flow from the passageway through the third port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.