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    Filter skimming device
    2.
    发明授权
    Filter skimming device 失效
    过滤器撇渣装置

    公开(公告)号：US3865731A

    公开(公告)日：1975-02-11

    申请号：US42719873

    申请日：1973-12-21

    Applicant: BAXTER LABORATORIES INC

    Inventor： SEITZ LAMONT J

    IPC: A61B5/15 ,  B01D33/01 ,  B01L3/14 ,  B01D33/00

    CPC classification number: B01L3/5082 ,  B01D33/01 ,  B01L3/5021

    Abstract: A filter skimming device comprising an elongated plunger assembly adapted for telescopic insertion in a test tube. The plunger assembly has an elongated plunger tube, a filter element, an elongated tubular insert for collection of filtered fluid, and a molded-in channel in said tubular insert for carrying said filtered fluid from said filter to the interior of said insert.

    Abstract translation: 一种过滤器撇取装置，包括适于在试管中伸缩插入的细长柱塞组件。 柱塞组件具有细长的柱塞管，过滤元件，用于收集过滤流体的细长管状插入件和用于将所述过滤流体从所述过滤器携带到所述插入件内部的所述管状插入件中的模制通道。

    Electronic digital converter and readout unit
    3.
    发明授权
    Electronic digital converter and readout unit 失效
    电子数字转换器和读取单元

    公开(公告)号：US3593007A

    公开(公告)日：1971-07-13

    申请号：US3593007D

    申请日：1967-10-13

    Applicant: BAXTER LABORATORIES INC

    Inventor： SEITZ LAMONT J

    IPC: H03M1/00 ,  G06M3/06

    CPC classification number: H03M1/00 ,  H03M1/50

    Abstract: An electronic instrument is described herein for use in conjunction with a spectrophotometer, and the like, and which is capable, for example, of converting optical transmission readings of a sample under test into a logarithmic scale, so as to provide calibrated readings directly indicating the optical density of the sample at the selected wave lengths, or which may directly indicate the percent concentration of the particular impurity in the sample. The instrument in one of its embodiments, as will be described, includes circuitry for digitizing analog readings from the spectrophotometer directly into a logarithmic scale; and it also includes a simple printer, or equivalent unit, for printing, or otherwise displaying, the corresponding, calibrated logarithmic readings indicative of optical density or percent concentration.

    Clot-timing system and method
    4.
    发明授权
    Clot-timing system and method 失效
    定时系统和方法

    公开(公告)号：US3635678A

    公开(公告)日：1972-01-18

    申请号：US3635678D

    申请日：1969-06-13

    Applicant: BAXTER LABORATORIES INC

    Inventor： SEITZ LAMONT J ,  BOWEN JOHN G

    IPC: G01N11/10 ,  G01N33/49 ,  G01N11/16 ,  G01N33/16 ,  H01H9/00

    CPC classification number: G01N33/4905 ,  G01N11/10

    Abstract: A system and method is provided which has the general capabilities of measuring the speed of coagulation, congealing or solidification of a fluid sample, and which has particular utility in the measurement of the time required by a sample under test to increase viscosity to a particular level. The system and method to be described is predicated on a viscosity principle, and it includes a member suspended in the fluid sample and which changes position when the sample achieved a predetermined degree of viscosity. The change in position of the aforesaid member is sensed, and the time at which the change occurs, is used in the determination of the time required, for example, for the sample to form a fibrin clot, in a blood or plasma sample or to effect a particular reaction causing solidification or congealing of the sample.

    Abstract translation: 提供了一种系统和方法，其具有测量流体样品的凝结速度，凝结或凝固速度的一般能力，并且在测量待测试样品所需时间时具有特别的用途，以将粘度增加到特定水平 。 要描述的系统和方法基于粘度原理，并且其包括悬浮在流体样品中的构件，并且当样品达到预定粘度时改变位置。 感测上述构件的位置变化，发生变化的时间用于确定例如血液或血浆样品中样品形成纤维蛋白凝块所需的时间，或者 影响样品凝固或凝结的特定反应。

    Electronic digital converter
    5.
    发明授权
    Electronic digital converter 失效
    电子数字转换器

    公开(公告)号：US3603969A

    公开(公告)日：1971-09-07

    申请号：US3603969D

    申请日：1968-06-19

    Applicant: BAXTER LABORATORIES INC

    Inventor： SEITZ LAMONT J

    IPC: G01N21/27 ,  H03M1/00 ,  H03K13/20

    CPC classification number: G01N21/27 ,  H03M1/50

    Abstract: A digitizer system and apparatus is provided for use, for example, in conjunction with a spectrophotometer for providing optical transmission readings of a test sample, or for converting optical transmission readings of the test sample into logarithmic readings representative of the optical density of the sample.

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