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    • 4. 发明授权
    • Metering apparatus
    • 计量装置
    • US6076522A
    • 2000-06-20
    • US180648
    • 1998-11-12
    • Sarvajna Kumar DwivediWilliam Leroy Roberts, IIMark Joseph SacchettiMichiel Mary Van Oort
    • Sarvajna Kumar DwivediWilliam Leroy Roberts, IIMark Joseph SacchettiMichiel Mary Van Oort
    • A61M15/00A61J3/00
    • A61J3/00A61M15/0028A61M2202/064
    • An apparatus (100) adapted for applying to a carrier (C) a suspension (S) comprising a suspending agent and a powdered medicament. The apparatus (110) includes a reservoir (110), a junction container (120) adapted to contain a liquid, an outlet line (130) extending from the reservoir (110) and through the junction container (120) to a pump (P), a nozzle (160) connected to the pump (P) and a sonicator (150) operatively connected to the junction container (120). The reservoir (110) is adapted to maintain the agent and the medicament admixed in suspension. The nozzle (160) is formed from an inner cylinder (161) disposed within an outer cylinder (162), thereby defining a space (X) therebetween, and includes a purge line (165) fluidly connected with the outer cylinder (162) for providing a gas jet to the space (X). The sonicator (150) creates waves in the liquid in the container (110) to help prevent the suspension (S) from flocculating as it travels through the outlet line (130) from the reservoir (110) and to the pump (P). The pump (P) expels the suspension (S) through the nozzle (160) to the carrier (C), and a gas jet (GJ) from the purge line (165) prevents capillary forces from allowing the suspension (S) to collect around the tip (T) of the inner cylinder (161) of the nozzle (160).
    • PCT No.PCT / EP97 / 02594 371日期:1998年11月12日 102(e)日期1998年11月12日PCT提交1997年5月22日PCT公布。 公开号WO97 / 44080 PCT 日期1997年11月27日一种适于向载体(C)施加包含悬浮剂和粉末状药物的悬浮液(S)的装置(100)。 装置(110)包括容器(110),适于容纳液体的接合容器(120),从贮存器(110)延伸并通过接合容器(120)延伸到泵(P)的出口管线 ),连接到泵(P)的喷嘴(160)和可操作地连接到接合容器(120)的超声波器(150)。 储存器(110)适于将试剂和药剂混合在悬浮液中。 喷嘴(160)由设置在外筒(162)内的内筒(161)形成,从而在其间限定空间(X),并且包括与外筒(162)流体连接的吹扫管线(165),用于 向空间(X)提供气体射流。 超声波发生器(150)在容器(110)中的液体中产生波浪,以帮助防止悬浮液(S)在从储存器(110)和泵(P)通过出口管线(130)时絮凝。 泵(P)通过喷嘴(160)将悬浮液(S)排出到载体(C),并且来自吹扫管线(165)的气体喷射(GJ)防止毛细管力使悬浮液(S)收集 围绕喷嘴(160)的内筒(161)的尖端(T)。
    • 7. 发明授权
    • Medicament carrier with agglomerated large medicament particles and related method of manufacture thereof
    • 具有团聚的大药物颗粒的药物载体及其制造方法
    • US06245339B1
    • 2001-06-12
    • US09230613
    • 1999-01-28
    • Michiel Mary Van OortMark Joseph Sacchetti
    • Michiel Mary Van OortMark Joseph Sacchetti
    • A61K900
    • A61M15/0045A61M11/001A61M11/002A61M15/0048A61M15/005A61M15/0051
    • A medicament carrier (10) having a first and a second spaced apart screen (12, 14) each of which has surfaces (12B, 14B) defining a plurality of interstices (12A, 14A). The carrier (10) contains powdered agglomerated medicament particles (SM) loaded onto the first screen surface (12B) such that the interstices (12A) of the first screen (12) are at least partially open and free of the agglomerated medicament particles (SM). When an air stream is provided to the carrier to entrain the agglomerated powdered medicament particles (SM) and move them from the first screen (12) through the interstices (14A) of the second screen (14), the agglomerated powdered medicament particles (SM) are sheared by air flow gradients created by the first and second screens (12, 14) and by contact with the surface (14B) of the second screen (14) to create particles of respirable particle size range. The carrier (10) can be used in a dry powder inhalator device.
    • 一种具有第一和第二间隔开的筛网(12,14)的药物载体(10),每个筛网具有限定多个间隙(12A,14A)的表面(12B,14B)。 载体(10)包含装载到第一筛网表面(12B)上的粉末状聚集的药物颗粒(SM),使得第一筛网(12)的间隙(12A)至少部分地开放并且没有附聚的药物颗粒(SM )。 当将空气流提供到载体以夹带聚集的粉末状药物颗粒(SM)并将它们从第一筛网(12)移动通过第二筛网(14)的间隙(14A)时,附聚的粉末状药物颗粒(SM )由第一和第二筛网(12,14)产生的气流梯度和与第二筛网(14)的表面(14B)接触以产生可吸入粒度范围的颗粒。 载体(10)可用于干粉吸入装置。