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    • 56. 发明授权
    • Inhaler and inhaler mouthpiece
    • 吸入器和吸入器喉舌
    • US09205206B2
    • 2015-12-08
    • US12088628
    • 2006-09-13
    • Takehiro HamaguchiShinya TanakaSatoshi KurataHideyuki Kobayashi
    • Takehiro HamaguchiShinya TanakaSatoshi KurataHideyuki Kobayashi
    • A61M11/02A61M15/00
    • A61M11/02A61M11/001A61M11/005A61M11/06A61M15/00A61M15/0021
    • A mouthpiece (150A) has an aerosol lead-out flow passage (104), an aerosol lead-out opening (105), and exhalation discharge openings (106). The lead-out flow passage (104) includes a first flow passage (104A) extending upward, a second flow passage (104B) extending obliquely forward from the first flow passage (104A), and a corner flow passage (104C) for connecting the first flow passage (104A) and second flow passage (104B) of the lead-out flow passage (104). The mouthpiece (150A) has a curvature portion (153) formed by curving that portion of the first flow passage (104A) wall surface which crosses the center line of the first flow passage (104A). The exhalation discharge openings (106) are provided in a wall surface defining the second flow passage (104B), at a position circumferentially displaced from the wall surface portion at which the curvature portion (153) is provided. In the mouthpiece and an inhaler with the mouthpiece, although an exhalation valve and, in addition, an inhalation valve are eliminated, leakage of aerosol from a pressure regulation opening and the exhalation opening is prevented irrespective of usage manners.
    • 吸嘴(150A)具有气溶胶引出流动通道(104),气溶胶引出口(105)和呼气排放口(106)。 引出流路(104)包括向上延伸的第一流路(104A),从第一流路(104A)向斜前方延伸的第二流路(104B),以及用于将 第一流路(104A)和第一流出通道(104B)。 接口(150A)具有通过使与第一流路(104A)的中心线交叉的第一流路(104A)壁面的部分弯曲而形成的曲率部(153)。 呼出排出口(106)设置在限定第二流路(104B)的壁面的与设置曲率部(153)的壁面部周向偏移的位置。 在接口管和具有接口管的吸入器中,尽管排气阀和另外的吸入阀被消除,但是无论使用方式如何,都可以防止气溶胶从压力调节开口和呼气口泄漏。