MDI device with ultrasound sensor to detect aerosol dispensing

Details MDI device with ultrasound sensor to detect aerosol dispensing MDI device with ultrasound sensor to detect aerosol dispensing

1997-04-02

1998-08-18

Asher, Kimberly L.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820227, 12820523, A61M 1100, A62B 904, A62B 700

Patent

active

057946124

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.

REFERENCES:
patent: 4495944 (1985-01-01), Brisson et al.
patent: 4984158 (1991-01-01), Hillsman
patent: 5284133 (1994-02-01), Burns et al.
patent: 5333106 (1994-07-01), Lanpher et al.
patent: 5363842 (1994-11-01), Mishelevich et al.

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