Disposable inhalation activated, aerosol device for pulmonary medicine
US4955371A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 1989 |
| Grant date | Sep 11, 1990 |
| Priority date | — |
| Expiry date | May 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61J7/0445
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A disposable device for dispensing an aerosol spray medicament to the lungs of a patient from a stanardized aerosol dispenser activated automatically by the inhaling of the user. The device has only one moving part, and no power requirements. The device may be used alone or within a respirator, by asthmatics, pulmonary cancer patients, and others. The device comprises a body having an outwardly extending nozzle, a receptacle formed within the body for receiving the dispenser, and an activator positioned within the body being mechanically interactive with the inhalation by the patient. Vents are formed in the body for carbureting air into the nozzle. A fixator is provided for detachably affixing the dispenser in position within the receptacle. Specifically, the fixator is a cap that is threadedly connected to the body and has an interior area suitable for accommodating the dispenser. The activator comprises a diaphragm positioned within the body. The diaphragm has an elastic quality suitable for being deformable upon a reduction or increase of air pressure within the nozzle. The activator further includes a pin that is fixedly positioned to the diaphragm and extends upwardly transve…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.