Respiratory apparatus and method
US4456008A · kind A · utility
36Cited by
10References
5Claims
0Family size
Inventors
Key dates
| Filing date | Sep 13, 1982 |
| Grant date | Jun 26, 1984 |
| Priority date | — |
| Expiry date | Sep 13, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S128/911
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved respiratory apparatus for conducting flow of supply and exhausted respiratory gas between a ventilator and a tracheal tube incorporates features and combinations of features, including aspiration, periodic pressure relief immediately downstream from the tracheal tube connection, coaxial flow conduits, to improve the form of pressure variations at the tracheal tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.