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    • 7. 发明授权
    • Drug delivery apparatus and method
    • 药物输送装置及方法
    • US08875697B2
    • 2014-11-04
    • US12176582
    • 2008-07-21
    • Jonathan S. H. DenyerIvan R. PrinceIan Rabbetts
    • Jonathan S. H. DenyerIvan R. PrinceIan Rabbetts
    • A61M11/00A61M15/00A61M16/00B05B17/06B05D7/14B65D83/06
    • A61M15/00A61M15/002A61M15/0021A61M15/0085A61M2016/0036A61M2202/04A61M2205/502
    • A drug delivery apparatus includes a mouthpiece portion having an internal conduit for delivering an aerosol including the drug to the patient. The internal conduit has an inlet end and a mouthpiece end that is structured to be received in the patient's mouth. The mouthpiece portion is structured to operate at a substantially fixed inhalation flow rate when the patient inhales through the mouthpiece end. The apparatus further includes an aerosol generator for generating the aerosol from a drug supply and injecting the aerosol into a first region within the mouthpiece portion located between an outlet of the aerosol generator and the inlet end of the conduit. The mouthpiece portion also includes a flow accelerating mechanism that causes a localized flow rate at the first region to be greater than the inhalation flow rate. A method is also provided that increases the local flow rate within the mouthpiece portion.
    • 药物输送装置包括具有用于将包括药物的气溶胶输送给患者的内部导管的接口部分。 内部导管具有入口端和接口端,其被构造成容纳在患者口中。 接口部分构造成当患者通过接口端吸入时以基本上固定的吸入流速操作。 该装置还包括气溶胶发生器,其用于从药物供应产生气溶胶并将气雾剂喷射到位于气溶胶发生器的出口与导管的入口端之间的接口部分内的第一区域中。 接口部分还包括使第一区域的局部流量大于吸入流量的流动加速机构。 还提供了增加接口部分内局部流速的方法。