Tracheostomy tube with inner cannula
US9907921B2 · kind B2 · utility
1Cited by
11References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 11, 2014 |
| Grant date | Mar 6, 2018 |
| Priority date | — |
| Expiry date | May 18, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2230/435
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A tracheal tube assembly includes an outer cannula configured to be positioned in a patient airway and an inner cannula configured to be disposed inside the outer cannula. The tracheal tube assembly further includes a flange member secured about the outer cannula, and an outer cannula connector coupled to a proximal end of the outer cannula. The inner cannula includes a proximal end region with features that facilitate insertion and/or removal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.