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    • 4. 发明授权
    • Transdermal analyte monitoring systems and methods for analyte detection
    • 透皮分析物监测系统和分析物检测方法
    • US08812071B2
    • 2014-08-19
    • US12043469
    • 2008-03-06
    • Han ChuangJames P. HurleyJoseph Kost
    • Han ChuangJames P. HurleyJoseph Kost
    • A61B5/05A61B5/00A61B5/145A61B5/1486
    • A61B5/0002A61B5/14532A61B5/14546A61B5/1486A61B5/6833
    • Transdermal analyte monitoring systems (TAMS) having increased longevity and improved analyte detection are described herein. Kits for use with the TAMS and methods of using the TAMS and kits are also described. In a preferred embodiment, the TAMS includes a protective, semi-permeable membrane covering the surface of the hydrogel. The protective, semi-permeable membrane contacts with the skin of a user and prevents contamination or fouling of the hydrogel. Optionally, the hydrogel comprises one or more humectants and/or an immobilized enzyme. In another preferred embodiment, the TAMS contains at least one channel or pocket for increasing the amount of oxygen provided to the hydrogel. In one embodiment, a method for improving analyte detection by the TAMS is provided. For example, after the skin porosity is increased by an appropriate pretreatment, a skin preparation wipe is applied to the treated skin area and then the TAMS is applied to the treated area.
    • 本文描述了具有增加的寿命和改进的分析物检测的透皮分析物监测系统(TAMS)。 还描述了与TAMS一起使用的试剂盒和使用TAMS和试剂盒的方法。 在优选实施方案中,TAMS包括覆盖水凝胶表面的保护性半透膜。 保护性半透膜与使用者的皮肤接触并防止水凝胶的污染或结垢。 任选地,水凝胶包含一种或多种湿润剂和/或固定化酶。 在另一个优选的实施方案中,TAMS含有至少一个通道或口袋,用于增加提供给水凝胶的氧气的量。 在一个实施方案中,提供了一种通过TAMS改进分析物检测的方法。 例如,在通过适当的预处理增加皮肤孔隙率之后,将皮肤制剂擦拭物施加到经处理的皮肤区域,然后将TAMS施加到处理区域。
    • 6. 发明授权
    • System and method for analyte sampling and analysis with hydrogel
    • 用水凝胶分析物取样和分析的系统和方法
    • US08224414B2
    • 2012-07-17
    • US11223971
    • 2005-09-13
    • Scott C. KelloggHan Chuang
    • Scott C. KelloggHan Chuang
    • A61B5/05A61B5/00C12Q1/54G01N33/50
    • C08L33/26A61B5/14514A61B5/14532A61B5/1486A61B5/681A61L31/048A61L31/145C08L33/24C08L2203/02G01N27/3273G01N27/4166Y10T436/144444
    • The invention relates to a transdermal analyte monitoring system comprising a medium adapted to interface with a biological membrane and to receive an analyte from the biological membrane and an electrode assembly comprising a plurality of electrodes, wherein the medium is adapted to react continuously with the analyte, an electrical signal is detected by the electrode assembly, and the electrical signal correlates to an analyte value. The analyte value may be the flux of the analyte through the biological membrane or the concentration of the analyte in a body fluid of a subject. The medium may comprise a vinyl acetate based hydrogel, an agarose based hydrogel, or a polyethylene glycol diacrylate (PEG-DA) based hydrogel, for example. The surface region of the electrode may comprise pure platinum. The system may include an interference filter located between the biological membrane and the electrode assembly for reducing interference in the system. The system may comprise a processor programmed to implement an error correction method that corrects for sensor drift.
    • 本发明涉及一种透皮分析物监测系统,其包括适于与生物膜接合并接收来自生物膜的分析物的介质和包含多个电极的电极组件,其中所述介质适于与分析物连续反应, 电信号由电极组件检测,电信号与分析物值相关。 分析物值可以是通过生物膜的分析物的通量或受试者的体液中分析物的浓度。 介质可以包括例如基于乙酸乙烯酯的水凝胶,基于琼脂糖的水凝胶或基于聚乙二醇二丙烯酸酯(PEG-DA)的水凝胶。 电极的表面区域可以包括纯铂。 该系统可以包括位于生物膜和电极组件之间的干涉滤波器,用于减少系统中的干扰。 系统可以包括被编程为实现校正传感器漂移的纠错方法的处理器。
    • 9. 发明申请
    • SYSTEM AND METHOD FOR CONTINUOUS NON-INVASIVE GLUCOSE MONITORING
    • 用于连续非侵入式葡萄糖监测的系统和方法
    • US20110282327A1
    • 2011-11-17
    • US13085370
    • 2011-04-12
    • Scott C. KELLOGGHan ChuangShikha BarmanNick Warner
    • Scott C. KELLOGGHan ChuangShikha BarmanNick Warner
    • A61M5/00A61B5/1468
    • A61B5/1486A61B5/0002
    • A system and method for continuous non-invasive glucose monitoring is disclosed. According to one embodiment of the present invention, the method includes the steps of (1) contacting a remote device to an area of biological membrane having a permeability level, the remote device comprising a sensor and a transmitter; (2) extracting the at least one analyte through and out of the area of biological membrane and into the sensor; (3) generating an electrical signal representative of a level of the at least one analyte; (4) transmitting the electrical signal to a base device; (5) processing the electrical signal to determine the level of the at least one analyte; and (6) displaying the level of the at least one analyte in real time. The system includes a remote device that includes a sensor that generates an electrical signal representative of the concentration of the at least one analyte; and a transmitter that transmits the electrical signal. The system further includes a base device that includes a receiver that receives the electrical signal; a processor that processes the electrical signal; and a display that displays the processed signal in real time.
    • 公开了一种用于连续非侵入性葡萄糖监测的系统和方法。 根据本发明的一个实施例,该方法包括以下步骤:(1)使远程设备接触具有渗透性水平的生物膜的区域,所述远程设备包括传感器和发射器; (2)将至少一种分析物提取出生物膜的区域并进入传感器; (3)产生代表所述至少一种分析物的水平的电信号; (4)将电信号发送到基站装置; (5)处理所述电信号以确定所述至少一种分析物的水平; 和(6)实时显示至少一种分析物的水平。 该系统包括远程设备,其包括产生代表至少一种分析物的浓度的电信号的传感器; 以及发送电信号的发送器。 该系统还包括一个基本设备,其包括接收电信号的接收机; 处理器,用于处理电信号; 以及实时显示被处理信号的显示器。
    • 10. 发明申请
    • TRANSDERMAL ANALYTE MONITORING SYSTEMS AND METHODS FOR ANALYTE DETECTION
    • 传感器分析监测系统和分析仪检测方法
    • US20080281178A1
    • 2008-11-13
    • US12043469
    • 2008-03-06
    • Han ChuangJames P. HurleyJoseph Kost
    • Han ChuangJames P. HurleyJoseph Kost
    • A61B5/1486
    • A61B5/0002A61B5/14532A61B5/14546A61B5/1486A61B5/6833
    • Transdermal analyte monitoring systems (TAMS) having increased longevity and improved analyte detection are described herein. Kits for use with the TAMS and methods of using the TAMS and kits are also described. In a preferred embodiment, the TAMS includes a protective, semi-permeable membrane covering the surface of the hydrogel. The protective, semi-permeable membrane contacts with the skin of a user and prevents contamination or fouling of the hydrogel. Optionally, the hydrogel comprises one or more humectants and/or an immobilized enzyme. In another preferred embodiment, the TAMS contains at least one channel or pocket for increasing the amount of oxygen provided to the hydrogel. In one embodiment, a method for improving analyte detection by the TAMS is provided. For example, after the skin porosity is increased by an appropriate pretreatment, a skin preparation wipe is applied to the treated skin area and then the TAMS is applied to the treated area.
    • 本文描述了具有增加的寿命和改进的分析物检测的透皮分析物监测系统(TAMS)。 还描述了与TAMS一起使用的试剂盒和使用TAMS和试剂盒的方法。 在优选实施方案中,TAMS包括覆盖水凝胶表面的保护性半透膜。 保护性半透膜与使用者的皮肤接触并防止水凝胶的污染或结垢。 任选地,水凝胶包含一种或多种湿润剂和/或固定化酶。 在另一个优选的实施方案中,TAMS含有至少一个通道或口袋,用于增加提供给水凝胶的氧气的量。 在一个实施方案中,提供了一种通过TAMS改进分析物检测的方法。 例如,在通过适当的预处理增加皮肤孔隙率之后,将皮肤制剂擦拭物施加到经处理的皮肤区域,然后将TAMS施加到处理区域。