DEVICE AND METHOD OF CREATING AEROSOLIZED MIST OF RESPIRATORY DRUG

Devices are hand held, self-contained units which are automatically actuated at the same release point in a patient's inspiratory flow cycle. Actuation of the device forces respiratory drug through a porous membrane (3) of the container (1) which membrane has pores having a diameter in the rang...

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Bibliographische Detailangaben
Hauptverfasser:	SCHUSTER, JEFFREY A, LLOYD, LESTER J, LLOYD, PETER M, RUBSAMEN, REID M
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BABY COMFORTERS CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICALPURPOSES DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR RECEIVING SPITTLE DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGINGPHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL ORADMINISTERING FORMS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	Devices are hand held, self-contained units which are automatically actuated at the same release point in a patient's inspiratory flow cycle. Actuation of the device forces respiratory drug through a porous membrane (3) of the container (1) which membrane has pores having a diameter in the range of about 0.25 microns to 6.0 microns. The porous membrane (3) is positioned in alignment with a surface of a channel (6) through which a patient (10) inhales air. The flow profile (12 ) of air moving through the channel is such that the flow at the surface of the channel is less than the flow rate at the center of the channel. The membrane is designed so that it protrudes outward at all times or is made flexible so that when respiratory drug formulation (5) is forced against and through the membrane, the flexible membrane protrudes outward beyond the flow boundary layer (13) of the channel into faster moving air.