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    • 4. 发明授权
    • Pressure compensation device for a two-part container
    • 用于两部分集装箱的压力补偿装置
    • US06223933B1
    • 2001-05-01
    • US09437275
    • 1999-11-10
    • Dieter HochrainerBernd ZierenbergHeinrich KladdersMartin EssingGilbert WuttkeMatthias HausmannJoachim Eicher
    • Dieter HochrainerBernd ZierenbergHeinrich KladdersMartin EssingGilbert WuttkeMatthias HausmannJoachim Eicher
    • B67D542
    • B65D83/0055B05B11/00412B05B11/0044B05B11/00444B05B11/00446
    • For medical fluids, two-part containers are used which consist of an inner container and an outer container which is impenetrable to diffusion. The inner container collapses when the fluid is removed. For the purposes of pressure compensation between the gaseous space, disposed between the inner- and outer containers, and the surroundings of the two-part container, a pressure compensation device is required by means of which at the same time the loss of fluid through diffusion from the collapsible inner container is kept as little as possible. To that end, at least one channel is used which communicates the gas-filled intermediate space with the surroundings of the two-part container. The time constant for compensation of a pressure differential of a few millibars is within the region of quite a few hours. It is obtained by selecting the length of the channel and channel cross-section. The, at least one, channel can be produced individually, or a plurality of channels can be present in the form of pores in an open-pore sintered material or in a permeable membrane. The pressure compensation device permits storage of the two-part container for many years, and use for many weeks as fluid is being removed in portion-wise manner. During these times, the quantity of fluid in the inner container, or the concentration thereof, changes substantially less than with the use of a known two-part container.
    • 对于医疗流体,使用两部分容器,其由内部容器和不容易扩散的外部容器组成。 内部容器在流体被移除时塌陷。为了在设置在内部和外部容器之间的气体空间与两部分容器的周围之间的压力补偿的目的,需要一个压力补偿装置,借助于此, 同时通过从可折叠的内部容器扩散而导致的流体损失保持尽可能少。 为此,使用至少一个通道将气体填充的中间空间与两部分容器的周围环境连通。 补偿几毫巴压力差的时间常数在不到几个小时的时间内。 通过选择通道和通道横截面的长度来获得。 可以单独制造至少一个通道,或者可以在开孔烧结材料或渗透膜中以孔的形式存在多个通道。压力补偿装置允许储存两部分容器 多年来,随着流体以分开的方式被去除,使用了好几个星期。 在这些时间内,内部容器中的流体量或其浓度相对于使用已知的两部分容器而言变化明显更小。
    • 7. 发明授权
    • Pressure compensation device for a two-part container
    • 用于两部分集装箱的压力补偿装置
    • US07090093B2
    • 2006-08-15
    • US10815531
    • 2004-04-01
    • Dieter HochrainerBernd ZierenbergHeinrich KladdersMartin EssingGilbert WuttkeMatthias HausmannJoachim Eicher
    • Dieter HochrainerBernd ZierenbergHeinrich KladdersMartin EssingGilbert WuttkeMatthias HausmannJoachim Eicher
    • B67D5/42B65D1/32
    • B65D83/0055B05B11/00412B05B11/0044B05B11/00444B05B11/00446
    • For medical fluids, two-part containers are used which consist of an inner container and an outer container which is impenetrable to diffusion. The inner container collapses when the fluid is removed. For the purposes of pressure compensation between the gaseous space, disposed between the inner- and outer containers, and the surroundings of the two-part container, a pressure compensation device is required by means of which at the same time the loss of fluid through diffusion from the collapsible inner container is kept as little as possible. To that end, at least one channel is used which communicates the gas-filled intermediate space with the surroundings of the two-part container. The time constant for compensation of a pressure differential of a few millibars is within the region of quite a few hours. It is obtained by selecting the length of the channel and channel cross-section. The, at least one, channel can be produced individually, or a plurality of channels can be present in the form of pores in an open-pore sintered material or in a permeable membrane. The pressure compensation device permits storage of the two-part container for many years, and use for many weeks as fluid is being removed in portion-wise manner. During these times, the quantity of fluid in the inner container, or the concentration thereof changes substantially less than with the use of a known two-part container.
    • 对于医疗流体,使用两部分容器,其由内部容器和不容易扩散的外部容器组成。 当流体被移除时,内部容器塌陷。 为了在设置在内部和外部容器之间的气体空间与两部分容器的周围之间的压力补偿之间进行压力补偿,需要压力补偿装置,同时通过该压力补偿装置损失流体通过扩散 从可折叠的内部容器保持尽可能少。 为此,使用至少一个通道将气体填充的中间空间与两部分容器的周围环境连通。 补偿几毫巴压力差的时间常数在不到几个小时的时间内。 通过选择通道和通道横截面的长度来获得。 可以单独制造至少一个通道,或者多个通道可以以开孔烧结材料或渗透膜中的孔的形式存在。 压力补偿装置可以容纳两部分容器的存放多年,并且以分段方式移除流体使用多个星期。 在这些时间内,内部容器中的流体量或其浓度变化明显小于使用已知的两部分容器。