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1. 发明授权

US07695600B2 Test system 有权
标题翻译：测试系统
公开(公告)号：US07695600B2
公开(公告)日：2010-04-13
申请号：US11445486
申请日：2006-06-01
申请人： Wah On Ho , John J. Rippeth , Paul Chambers
发明人： Wah On Ho , John J. Rippeth , Paul Chambers
IPC分类号： G01N27/327
CPC分类号： C12Q1/001
摘要： A test system for measuring analyte concentration in a fluid sample includes: (i) a capillary-fill biosensor (20) having a working electrode (24), a reference electrode (22) and a separate counter electrode (23), arranged such that a fluid sample which flows evenly along the capillary flow path will substantially completely cover the reference electrode (22) before the fluid sample makes contact with any part of the counter electrode (23); and (ii) a test meter (42) for receiving the biosensor (20), the meter (42) including: first signal circuitry (31) for producing a first signal when an electrical circuit is detected between the reference electrode (22) and the working electrode (24); second signal circuitry (33) for producing a second signal when an electrical circuit is detected between the counter electrode (23) and at least one of the reference electrode (22) and the working electrode (24); a timer (35) for determining the time interval between production of said first signal and said second signal; and a processor (32) for triggering an error condition if said time interval exceeds a preset value or if said second signal is not produced within a preset time after said first signal is produced.
摘要翻译：用于测量流体样品中的分析物浓度的测试系统包括：（i）具有工作电极（24），参比电极（22）和单独的对置电极（23）的毛细填充生物传感器（20），其布置成在流体样品与对电极（23）的任何部分接触之前，沿毛细管流动路径均匀流动的流体样品基本上完全覆盖参考电极（22）。所述仪表（42）包括：第一信号电路（31），用于当在所述参考电极（22）与所述参考电极（22）之间检测到电路时产生第一信号;以及（ii）用于接收所述生物传感器工作电极（24）; 第二信号电路（33），用于当在对电极（23）和参考电极（22）和工作电极（24）中的至少一个之间检测到电路时产生第二信号; 定时器（35），用于确定所述第一信号的产生与所述第二信号之间的时间间隔; 以及处理器（32），用于如果所述时间间隔超过预设值则触发错误状态，或者如果在产生所述第一信号之后的预设时间内不产生所述第二信号。

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