Disposable inhaler
Patent 5533505 Issued on July 9, 1996. Estimated Expiration Date: 
September 2, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
September 2, 2014. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 481780 2549303 Portable inhalator device Devices for administering medicaments to patients Inhaler Devices for administering medicaments to patients Powder inhaler device Disposable powder medicament inhalation device with peel-off cover Patent #: 5239991 InventorsAssigneeApplicationNo. 295709 filed on 09/02/1994US Classes:128/203.15, Particulate treating agent carried by breathed gas128/203.21Means broken or pierced to supply treating agentExaminersPrimary: Asher, Kimberly L.Attorney, Agent or FirmForeign Patent References
International ClassesA61M 015/00A61M 016/00 B05D 007/14 B65D 083/06 Foreign Application Priority Data1992-03-04 EPAbstractThe invention relates to a disposable breath-actuated inhaler comprising a tubular housing forming an air flow path being open at both ends, one end forming an air inlet (4) and one end forming an air outlet (5), the housing comprising a compartment (3) for storing a pharmaceutical powder to be inhaled. The compartment (3) for storing the pharmaceutical powder is located close to the air inlet (4) and is covered by a thin foil (6) sealing the compartment in an airtight way which can be removed from the compartment from outside the housing, the housing being shaped with a constriction (9) adjacent the powder compartment (3) such that a turbulent air stream will be obtained at the constriction upon inhalation which will lift the powder out from the compartment (3) and mix the powder into the air stream.Other References
Field of SearchParticulate treating agent carried by breathed gasMeans broken or pierced to supply treating agent Means for mixing treating agent with respiratory gas Means for controlling gravity flow of treating agent from holder Pocket-type draw tube having discharge aperture for air/treating agent mixture at end thereof FOR AMPULE, CAPSULE, PELLET, OR GRANULE Powder dispenser From movable trap chamber | |
