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    • 1. 发明申请
    • ION SENSOR FOR LONG TERM USE IN COMPLEX MEDIUM
    • 离子传感器长时间使用复合介质
    • WO2006014758A3
    • 2007-09-13
    • PCT/US2005025775
    • 2005-07-20
    • MEDTRONIC INCQINGSHAN YE
    • QINGSHAN YE
    • G01N27/333A61B5/00
    • A61B5/14542A61B5/14546A61B5/1473
    • Devices and methods for measuring a target ion concentration uses an electrode pair. The pair includes a working electrode and a reference electrode. The working and reference electrodes are ion-selective electrodes (ISEs). The reference ISE can include a sodium ISE. The ISE pair interacts with body fluids where a target ion concentration changes more than sodium ion concentration over time. Some ISE membranes of a pair vary essentially only in the ionophore. An ISE pair can determine the ratio of a target ion concentration to sodium ion concentration in vivo. Periodic measurement of sodium concentration in drawn blood can be used to calibrate an ISE pair and provide target ion concentration as an output. Or, a potassium/sodium ISE pair beneficially monitors potassium concentration changes over time in heart- or kidney-failure patients. Then, manual or automatic titration of a diuretic material can be implemented to maintain a desired potassium concentration.
    • 用于测量目标离子浓度的装置和方法使用电极对。 该对包括工作电极和参考电极。 工作电极和参比电极是离子选择电极(ISE)。 参考ISE可以包括钠ISE。 ISE对与体液相互作用,其中目标离子浓度随时间而变化超过钠离子浓度。 一对一对ISE膜基本上仅在离子载体中变化。 ISE对可以确定目标离子浓度与体内钠离子浓度之比。 抽取血液中钠浓度的定期测定可用于校准ISE对,并提供目标离子浓度作为输出。 或者,在心脏或肾衰竭患者中,钾/钠ISE对有效地监测钾浓度随时间的变化。 然后,可以实施手动或自动滴定利尿剂材料以维持所需的钾浓度。
    • 2. 发明申请
    • ION SENSOR FOR LONG TERM USE IN COMPLEX MEDIUM
    • 离子传感器长期用于复杂介质
    • WO2006014758A9
    • 2006-03-23
    • PCT/US2005025775
    • 2005-07-20
    • MEDTRONIC INCQINGSHAN YE
    • QINGSHAN YE
    • G01N27/333A61B5/00
    • A61B5/14542A61B5/14546A61B5/1473
    • Devices and methods for measuring a target ion concentration uses an electrode pair. The pair includes a working electrode and a reference electrode. The working and reference electrodes are ion-selective electrodes (ISEs). The reference ISE can include a sodium ISE. The ISE pair interacts with body fluids where a target ion concentration changes more than sodium ion concentration over time. Some ISE membranes of a pair vary essentially only in the ionophore. An ISE pair can determine the ratio of a target ion concentration to sodium ion concentration in vivo. Periodic measurement of sodium concentration in drawn blood can be used to calibrate an ISE pair and provide target ion concentration as an output. Or, a potassium/sodium ISE pair beneficially monitors potassium concentration changes over time in heart- or kidney-failure patients. Then, manual or automatic titration of a diuretic material can be implemented to maintain a desired potassium concentration.
    • 用于测量目标离子浓度的装置和方法使用电极对。 这一对包括一个工作电极和一个参考电极。 工作电极和参比电极是离子选择电极(ISE)。 参考ISE可以包括钠ISE。 ISE对与目标离子浓度随时间变化超过钠离子浓度的体液相互作用。 一对中的一些ISE膜基本上仅在离子载体中变化。 ISE对可以确定体内靶离子浓度与钠离子浓度的比率。 抽取血液中钠浓度的定期测量可用于校准ISE对并提供目标离子浓度作为输出。 或者,钾/钠ISE对有利地监测心衰或肾衰竭患者的钾浓度随时间的变化。 然后,可以实施手动或自动滴定利尿剂材料以维持所需的钾浓度。