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    • 1. 发明公开
    • EP0558479A4 -
    • EP0558479A4 - Google专利
    • EP0558479A4
    • 1994-01-05
    • EP91903999
    • 1990-11-30
    • PALL CORPORATIONMERCK & CO. INC.
    • MATKOVICH, VLADO, I.SCHLAUCHDECKER, THOMAS, E.HENLEY, MARTIN, W.BORMANN, THOMAS
    • A61J1/10A61F9/00A61J1/00A61J1/05A61J1/14A61M3/00A61M35/00B01L3/00B01L3/02B65D47/18B67D7/76B67D5/58
    • B01L3/0272A61F9/0008A61J1/145A61J1/1456B65D47/18
    • This invention relates to the field of liquid dispensing and metering devices that dispense a solution in drop form and protects the solution from contamination. In applications where contamination and proper dosage is a concern, the prior art discloses dispensers related both to the use of anti-bacterial agents added to the solution to prevent contamination and the use of a single dose device. Both present problems, as the addition of the agent causes allergic reactions in some users, while the single dose device is inconvenient to the frequent user. Prior art dispensers also do not permit control of metering for proper dosage. This invention solves these problems by providing a filter in the dropper portion of the device to prevent contamination of the solution. The device includes a dropper (2) having an outlet (3) and filter (4). The filter is a composite consisting of a liquophilic component (5) and a liquophobic component (6).
    • 液体分配和计量装置技术领域本发明涉及液体分配和计量装置的领域,其分配液滴形式的溶液并保护溶液免受污染。 在涉及污染物和合适剂量的应用中,现有技术公开了与使用添加到溶液中的抗菌剂以防止污染以及使用单剂量装置有关的分配器。 目前存在的两个问题,因为添加药物导致一些使用者出现过敏反应,而单剂量装置对频繁使用者不方便。 现有技术的分配器也不允许控制适当剂量的计量。 本发明通过在装置的滴管部分提供过滤器来解决这些问题,以防止溶液污染。 该装置包括具有出口(3)和过滤器(4)的滴管(2)。 过滤器是由嗜液组分(5)和疏液组分(6)组成的复合物。