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    • 9. 发明授权
    • Device for determining ionic activity
    • 用于测定离子活性的装置
    • US4437970A
    • 1984-03-20
    • US500600
    • 1983-06-02
    • Masao KitajimaOsamu SeshimotoKikuo KuboteraAkira Yamaguchi
    • Masao KitajimaOsamu SeshimotoKikuo KuboteraAkira Yamaguchi
    • G01N27/28G01N27/46G01N27/58
    • G01N27/307G01N27/3335
    • A device for determining ionic activity composed of, as essential components, plural pairs of ion-selective solid electrodes each pair having two electrodes (one electrode on each of two sides) and each pair having a different ion-selective layer; two liquid distribution porous members, each member disposed over all the electrodes of each said side of the plural pairs; and a porous capillary bridge disposed on or between the liquid distribution porous members. The bridge can be in liquid contact with all the electrodes through the liquid distribution porous members and achieve electrical conduction between two electrodes in each pair after spotting a test solution and a reference solution. The device preferably further comprises a support frame and a cover having two apertures for liquid spotting. The device can simultaneously determine ionic activities of a plurality of different ions in a test solution, such as whole blood, plasma, serum, urine, etc., by spotting a test solution and a reference solution each in one operation and measuring an electrical potential difference of each pair.
    • 用于确定离子活性的装置,作为必要组分,每对具有两对电极(两侧各一个电极)和每对具有不同离子选择层的多对离子选择性固体电极, 两个液体分配多孔构件,每个构件设置在多对的每个所述侧的所有电极上; 以及布置在液体分配多孔构件之间或之间的多孔毛细管桥。 桥接器可以通过液体分配多孔构件与所有电极液体接触,并且在点样测试溶液和参考溶液之后实现每对中两个电极之间的导电。 该装置优选地还包括支撑框架和具有用于液体点样的两个孔的盖。 该装置可以通过在一个操作中分别检测测试溶液和参考溶液来测量测试溶液中的多种不同离子的离子活性,例如全血,血浆,血清,尿等,并测量电位 每对差异。
    • 10. 发明授权
    • Blood filter cartridge
    • 血液滤芯
    • US06217540B1
    • 2001-04-17
    • US09349173
    • 1999-07-09
    • Kenichiro YazawaKeiichi IshizakiTakeshi IgarashiMasao KitajimaShigeru TezukaTakaki AraiToshihisa ItoOsamu Seshimoto
    • Kenichiro YazawaKeiichi IshizakiTakeshi IgarashiMasao KitajimaShigeru TezukaTakaki AraiToshihisa ItoOsamu Seshimoto
    • A61M3700
    • G01N33/491
    • The invention provides a blood filter cartridge which is made so that the filtrate discharged from the filtrate outlet is not drawn back to the inside of the filtering chamber. The blood filter cartridge includes a blood filtering material, a holder containing the blood filtering material and having a blood inlet and a filtrate outlet, and a filtrate receiver which receives the filtrate discharged from the filtrate outlet. The blood filter catridge is provided with a means for preventing the filtrate in the filtrate receiver from returning to inside of the holder upon finishing filtration. Such means include the following: removing opposite faces around the filtrate outlet, making length of lower end of the filtrate outlet 0.8 mm or more, smoothing surface around the filtrate outlet, and forming surface around the filtrate outlet by a material having a small surface energy.
    • 本发明提供了一种血液过滤器滤芯,其被制成使得从滤液出口排出的滤液不会被抽回到过滤室的内部。 血液过滤器滤芯包括血液过滤材料,含有血液过滤材料并具有血液入口和滤液出口的保持器和接收从滤​​液出口排出的滤液的滤液接收器。 血液过滤器夹具设置有用于防止滤液接收器中的滤液在完成过滤时返回到保持器内部的装置。 这样的方法包括以下步骤:除去滤液出口周围的相对面,使滤液出口的下端长度为0.8mm以上,使滤液出口周围的表面光滑,并且通过具有小表面能的材料在滤液出口周围形成表面 。