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1. 发明授权

US4602995A Liquid level adjusting and filtering device 失效
标题翻译：液位调节和过滤装置
公开(公告)号：US4602995A
公开(公告)日：1986-07-29
申请号：US735847
申请日：1985-05-20
申请人： Michael M. Cassaday , Rand Herron , Kenneth F. Uffenheimer , John L. Smith
发明人： Michael M. Cassaday , Rand Herron , Kenneth F. Uffenheimer , John L. Smith
IPC分类号： G01N33/48 , G01N1/00 , G01N33/49 , G01N35/10 , B01D33/00
CPC分类号： G01N33/491
摘要： New and improved, liquid level adjusting and filtering device is provided, and is operable upon insertion into a container to automatically adjust the level of a liquid as contained in the container to a predetermined, precisely repeatable location, and to filter the thusly level-adjusted liquid. The device is particularly adapted for use in conjunction with test tube-like devices, in the nature of those marketed under the Trademark "Vacutainer" by the Becton-Dickinson Company of East Rutherford, NJ, containing whole blood samples which have been separated as by centrifugation into respective blood cell, buffy and blood serum layers; and is operable in that context to present blood serum samples to automated sample analysis systems at the same predetermined and precisely repeatable location relative to the aspirating probe means of such systems.
摘要翻译：提供了新的和改进的液位调节和过滤装置，并且在插入到容器中以便将包含在容器中的液体的水平自动调节到预定的，精确可重复的位置时可操作，并且将因此被调节的水平液体。该装置特别适合与试管类装置一起使用，其性质是由新泽西州东卢瑟福的Becton-Dickinson公司在“Vacutainer”商标范围内销售的，其中包含已经被分离的全血样本离心分离到各自的血细胞，血沉棕质和血清层; 并且在该上下文中可操作地将相对于这种系统的抽吸探针装置的血清样品呈现在相同的预定和精确可重复的位置处的自动化样品分析系统。

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