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    • 1. 再颁专利
    • Biosensor
    • 生物传感器
    • USRE39390E1
    • 2006-11-14
    • US10924334
    • 2002-05-17
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeTakahiro NakaminamiShin IkedaToshihiko YoshiokaShiro Nankai
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeTakahiro NakaminamiShin IkedaToshihiko YoshiokaShiro Nankai
    • G01N27/327
    • There is provided a cholesterol sensor with high-accuracy and excellent response, whose object to be measured is whole blood, where plasma with which is obtained by filtering out hemocytes therein filtered in blood can rapidly reach an electrode system. In a biosensor where plasma with which is obtained by filtering out hemocytes therein filtered with by a filter is sucked into a sample solution supply pathway due to capillarity, there are formed: a first pressing part for holding a primary side portion of the filter from the bottom; a second pressing part for holding a secondary side portion of the filter from the top and the bottom; a third pressing part for holding the central portion of the filter from the top; and a void for surrounding the filter between the second pressing part and third pressing part.
    • 提供了具有高精度和优异反应的胆固醇传感器,其测量对象为全血,等离子体<?delete-start id =“DEL-S-00001”date =“20061114”?>与<?delete -end id =“DEL-S-00001”?> <?insert-start id =“INS-S-00001”date =“20061114”?>通过过滤出<?insert-end id =“INS- S-00001“?>血细胞<?delete-start id =”DEL-S-00002“date =”20061114“?>其中过滤的<?delete-end id =”DEL-S-00002“?> 在血液中开始id =“INS-S-00002”date =“20061114”?> <?insert-end id =“INS-S-00002”?>可以快速到达电极系统。 在等离子体<?delete-start id =“DEL-S-00003”date =“20061114”?>与<?delete-end id =“DEL-S-00003”?> <?insert-start id = 通过滤出<?insert-end id =“INS-S-00003”?>血细胞<?delete-start id =“DEL-S-00004”获得的“INS-S-00003”date =“20061114”? “date =”20061114“?>用<?delete-end id =”DEL-S-00004“?> <?insert-start id =”INS-S-00004“date =”20061114“?> ?insert-end id =“INS-S-00004”?>由于毛细作用,将过滤器吸入样品溶液供给路径,形成有:从底部保持过滤器的初级侧部的第一按压部, 用于从顶部和底部保持过滤器的次级侧部分的第二按压部分; 用于从顶部保持过滤器的中心部分的第三按压部分; 以及用于围绕第二按压部和第三按压部之间的过滤器的空隙。
    • 3. 发明授权
    • Biosensor
    • 生物传感器
    • US06977032B2
    • 2005-12-20
    • US10472075
    • 2002-11-12
    • Miwa HasegawaTomohiro YamamotoShin IkedaToshihiko Yoshioka
    • Miwa HasegawaTomohiro YamamotoShin IkedaToshihiko Yoshioka
    • C12Q1/00G01N33/49G01N27/327
    • G01N27/3272C12Q1/001G01N33/491
    • A biosensor including an insulating base plate, an electrode system, a cover for covering the insulating base plate, at least one reaction layer, a sample solution supply pathway communicating with an air aperture at a terminal end side, a sample solution supply part and a filter provided between the sample solution supply pathway and the sample solution supply part to filter hemocytes, an end face and a top face of a primary portion of the filter are exposed and the sample solution supply part is provided adjacently to the primary side portion so as to provide an improved biosensor which allows easy addition of whole blood to the sensor and rapid supply of the added whole blood to a filter even in the case of collecting blood by fingertip centesis for measurement.
    • 一种生物传感器,包括绝缘基板,电极系统,用于覆盖绝缘基板的盖,至少一个反应层,与终端侧的空气孔连通的样品溶液供给路径,样品溶液供给部和 提供在样品溶液供应通道和样品溶液供应部分之间以过滤血细胞的过滤器,暴露过滤器的主要部分的端面和顶面,并且将样品溶液供应部分设置成与初级侧部分相邻,以便 提供改进的生物传感器,其允许容易地将全血添加到传感器,并且即使在通过指尖中心收集血液用于测量的情况下将添加的全血快速供应到过滤器。
    • 4. 发明申请
    • Biosensor
    • 生物传感器
    • US20050072670A1
    • 2005-04-07
    • US10478283
    • 2002-12-27
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeTakahiro NakaminamiShin IkedaToshihiko YoshiokaShiro Nankai
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeTakahiro NakaminamiShin IkedaToshihiko YoshiokaShiro Nankai
    • C12Q1/00C12Q1/60G01N27/403G01N33/487G01N33/49G01N27/26
    • C12Q1/001C12Q1/006C12Q1/60G01N27/3272
    • In order to provide a biosensor with high accuracy and excellent response where plasma obtained by filtration of blood rapidly arrives at an electrode system, in a biosensor comprising: an insulating base plate; an electrode system having a working electrode and a counter electrode which are provided on the base plate; a reaction layer including at least oxidoreductase and an electron mediator; a sample solution supply pathway which includes the electrode system and the reaction layer and has an inlet and an air aperture; a sample solution supply part for introducing a sample solution, which is in position apart from the sample solution supply pathway; and a first filter which is disposed between the sample solution supply pathway and the sample solution supply part for filtering the sample solution, where the filtrate filtered with the first filter is supplied into the sample solution supply pathway due to capillary action, the direction in which the sample solution passes through the first filter and the direction in which the filtrate passes through the sample solution supply pathway are made cross at right angles.
    • 为了提供具有高精度和优异响应的生物传感器,其中通过过滤血液获得的血液迅速到达电极系统,在生物传感器中包括:绝缘基板; 具有设置在基板上的工作电极和对置电极的电极系统; 至少包含氧化还原酶和电子介体的反应层; 包括电极系统和反应层并具有入口和空气孔的样品溶液供应路径; 用于引入样品溶液的样品溶液供应部件,其处于离样品溶液供给路径的位置; 以及第一过滤器,其设置在样品溶液供给路径和样品溶液供给部之间,用于过滤样品溶液,其中用第一过滤器过滤的滤液由于毛细作用而被供给到样品溶液供给通道中,其中 样品溶液通过第一过滤器,滤液通过样品溶液供应通道的方向被成直角交叉。
    • 7. 发明授权
    • Biosensor
    • 生物传感器
    • US07267750B2
    • 2007-09-11
    • US10466561
    • 2002-01-10
    • Motokazu WatanabeTomohiro YamamotoMiwa HasegawaShin IkedaShiro Nankai
    • Motokazu WatanabeTomohiro YamamotoMiwa HasegawaShin IkedaShiro Nankai
    • G01N27/327
    • C12Q1/005C12Q1/004
    • A biosensor comprising: an electrically insulating base plate; an electrode system comprising a working electrode and a counter electrode formed on the base plate; a cover member which is joined to the base plate to form a sample solution supply pathway for supplying a sample solution to the electrode system between the cover member and the base plate; and a reagent system comprising at least an oxidoreductase and an electron mediator disposed in the sample solution supply pathway, wherein the electron mediator is provided on the base plate and the oxidoreductase is provided on the cover member such that the electron mediator and the oxidoreductase are not in contact with each other.
    • 一种生物传感器,包括:电绝缘基板; 电极系统,包括形成在所述基板上的工作电极和对电极; 盖构件,其连接到所述基板,以形成用于将样品溶液供应到所述盖构件和所述基板之间的所述电极系统的样品溶液供给路径; 以及试剂系统,其至少包含设置在样品溶液供给路径中的氧化还原酶和电子介体,其中,所述电子介体设置在所述底板上,所述氧化还原酶设置在所述覆盖部件上,使得所述电子介体和所述氧化还原酶不是 彼此接触。
    • 8. 发明授权
    • Biosensor
    • 生物传感器
    • US06776888B2
    • 2004-08-17
    • US10089289
    • 2002-03-26
    • Tomohiro YamamotoMiwa HasegawaMotokazu WatanabeShin IkedaShiro Nankai
    • Tomohiro YamamotoMiwa HasegawaMotokazu WatanabeShin IkedaShiro Nankai
    • G01N27327
    • C12Q1/004G01N27/3272
    • The present invention provides a biosensor that enables highly-accurate measurement of a sample solution including a solid component like hemocytes and has a little variation in response. The biosensor includes: an insulating base plate, an electrode system having at least a working electrode and a counter electrode provided on the base plate, a cover member that is combined with the base plate to define a sample solution supply pathway for leading a sample solution from a sample supply unit to the electrode system, a reaction reagent system including at least an oxidation-reduction enzyme and an electron mediator, and a filter disposed between the electrode system and the sample supply unit in the sample solution supply pathway. The biosensor has a space that encircles surface of the filter in an area from one end of the filter close to the sample supply unit to the other end of the filter close to the electrode system. This arrangement effectively prevents the solid component like hemocytes from flowing into the electrode system without being filtered out by the filter.
    • 本发明提供一种生物传感器,其能够高精度地测量包含像血细胞这样的固体成分的样品溶液,并且响应性变化很小。 生物传感器包括:绝缘基板,至少具有工作电极和设置在基板上的对电极的电极系统,与基板结合以限定用于引导样品溶液的样品溶液供给路径的盖构件 从样品供给单元到电极系统,至少包含氧化还原酶和电子介体的反应试剂系统,以及设置在样品溶液供给路径中的电极系统和样品供给单元之间的过滤器。 生物传感器具有在过滤器的一端靠近样品供给单元的一个区域中的过滤器的表面周围到靠近电极系统的过滤器的另一端的空间。 这种布置有效地防止诸如血细胞的固体组分流入电极系统而不被过滤器过滤掉。
    • 9. 发明授权
    • Biosensor
    • 生物传感器
    • US06966977B2
    • 2005-11-22
    • US10350139
    • 2003-01-24
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeShin IkedaShiro Nankai
    • Miwa HasegawaTomohiro YamamotoMotokazu WatanabeShin IkedaShiro Nankai
    • C12Q1/00G01N33/487G01N33/49G01N33/543G01N27/327
    • C12Q1/004G01N27/3272
    • A sensor including an insulating base plate; an electrode system, provided on the base plate, having a measuring electrode and a counter electrode; a reaction layer including at least an oxidoreductase and an electron mediator; a sample solution supply pathway including the electrode system and the reaction layer; and a sample supply unit, wherein the sensor is so structured that, between the sample supply unit and the sample solution supply pathway, there is provided a filter having a function to filter out hemocytes and having a cross-sectional area larger than an opening of the sample solution supply pathway, and that plasma of a blood with hemocytes thereof having been filtered out is sucked into the inside of the sample solution supply pathway owing to capillary phenomena.
    • 一种传感器,包括绝缘基板; 设置在基板上的具有测量电极和对电极的电极系统; 至少包含氧化还原酶和电子介体的反应层; 包括电极系统和反应层的样品溶液供给路径; 以及样本供应单元,其中所述传感器的结构使得在所述样品供应单元和所述样品溶液供应通道之间提供过滤器,所述过滤器具有过滤出血细胞并且具有大于所述样品供应单元的开口的横截面积 样品溶液供给路径,由于毛细血管现象,血液中已经滤出血细胞的血浆被吸入到样品溶液供给路径的内部。
    • 10. 发明授权
    • Biosensor
    • 生物传感器
    • US06719887B2
    • 2004-04-13
    • US10221990
    • 2002-09-17
    • Miwa HasegawaMotokazu WatanabeTomohiro YamamotoShin IkedaShiro Nankai
    • Miwa HasegawaMotokazu WatanabeTomohiro YamamotoShin IkedaShiro Nankai
    • G01N27327
    • G01N33/92C12Q1/005G01N33/5438
    • A biosensor includes: an insulating base plate; an electrode system which is provided on the base plate and has a measurement electrode and a counter electrode; a reaction layer including at least oxidoreductase and an electron mediator; a sample solution supply pathway which includes the electrode system and the reaction layer and has an air aperture on the termination side thereof; a sample supply portion; and a filter which is disposed between the sample solution supply pathway and the sample supply portion and filters hemocytes, where plasma with the hemocytes therein filtered with the filter is sucked into the sample solution supply pathway due to capillarity, the central part of a secondary side portion of the filter is protruded into the sample solution supply pathway more than both the right and left ends thereof.
    • 生物传感器包括:绝缘基板; 电极系统,设置在基板上,具有测量电极和对电极; 至少包含氧化还原酶和电子介体的反应层; 样品溶液供给路径,其包括电极系统和反应层,并且在其终端侧具有空气孔; 样品供应部分; 以及过滤器,其设置在样品溶液供给路径和样品供给部之间,并且过滤血细胞,其中由过滤器过滤的血细胞的血浆由于毛细作用而被吸入样品溶液供给通道,次级侧的中心部分 过滤器的一部分比其右端和左端都突出到样品溶液供给路径中。