MDI device with ultrasound sensor to detect aerosol dispensing
US5794612A · kind A · utility
147Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1997 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Apr 2, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2206/10
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An intrapulmonary delivery device is provided for delivery of a propellant driven medicament. The device has an indicating system with a sensor responsive to a selected range of ultrasound, a controller associated with the sensor for signalling the detected ultrasound, a differential pressure sensor and a display for the signals. The controller is associated with a microprocessor where the signal level the duration and time of actuation is stored in memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.