AIDS protection ventilation system
US4898167A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1988 |
| Grant date | Feb 6, 1990 |
| Priority date | — |
| Expiry date | May 13, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M16/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The system includes a remote variable volume bellows that is pumped by the rescuers weight, a suction collection option, an oxygen enrichment venturi valve, and a face mask AIDS Protector Valve that is opened and closed by the rescuer's hand. The system, in its normal configuration, allows for a rescuer to pump ventilation air through an air delivery tube into a valve and through the valve into the face mask and lungs of a victim. The pump is a variable volume spring loaded bellows that works for either an infant, child or adult. It can utilize a venturi tube oxygen connector that insures that maximum supplemental oxygen is fed into the air delivery tube. It also has a pressure relief valve to insure that excess pressure is not placed on the victims lungs. When ventilating, an air delivery tube connects to a valve which is opened or closed by the rescuer placing a hand over the exhaust port. This valve can be used by itself, but it has optional inserts for improved performance. One insert is spring loaded and it opens and closes over the air input port to insure that fluids and exhaust air from the victim do not go back into the fresh air line toward the bellows. Another option has…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.