Obturator and tracheostomy tube containing the obturator
US5546937A · kind A · utility
21Cited by
9References
9Claims
0Family size
Inventors
Key dates
| Filing date | Dec 13, 1993 |
| Grant date | Aug 20, 1996 |
| Priority date | — |
| Expiry date | Dec 13, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/0429
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A plastic obturator suitable for use in a tracheostomy tube comprising a handle at its proximal end, a bullet-like shaped tip at its distal end, and an outer cannula supporting body between the handle and the tip, which outer cannula supporting body contains sectionalized flex points and laterally extending supporting surfaces along its length. Also described is a tracheostomy tube, preferably one that is flexible, containing the plastic obturator of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.