Implantable glucose sensor
    1.
    发明授权
    Implantable glucose sensor 失效
    植入式葡萄糖传感器

    公开(公告)号:US5165407A

    公开(公告)日:1992-11-24

    申请号:US682560

    申请日:1991-04-09

    摘要: Implantable enzymatic sensors (25, 43, 44) for biochemicals such as glucose are provided having an ideal size and geometry for optional long term implantation and linear responses over the concentration ranges of interest. The sensors (25, 43, 44) include an elongated body (10, 26, 46) supporting an indicating electrode section having an appropriate enzyme immobilized thereon to present an enzymatic indicating surface (21, 33, 54). A permeable synthetic polymer membrane (24, 42, 56) is applied over the sensor body (10, 26, 46) to protect the enzyme and regulate diffusion of analyte therethrough, to ensure linearity of sensor response. The sensors (25, 43) are of flexible design and can be implanted using a catheter. Alternately, the sensor (44) includes an internal indicating electrode body (46) housed within an apertured, hollow needle (48). A holder (66) affixed to the needle (48) allows for easy manipulation and implantation of the sensor (44).

    摘要翻译: 提供了用于生物化学品如葡萄糖的可植入酶传感器(25,43,44),其具有理想的尺寸和几何尺寸,用于在所关注的浓度范围内进行可选的长期植入和线性响应。 传感器(25,43,44)包括支撑指示电极部分的细长体(10,26,46),所述指示电极部分具有固定在其上的合适的酶以呈现酶指示表面(21,33,54)。 将可渗透的合成聚合物膜(24,42,56)施加在传感器主体(10,26,46)上以保护酶并调节分析物通过其的扩散,以确保传感器响应的线性。 传感器(25,43)具有柔性设计,并且可以使用导管植入。 或者,传感器(44)包括容纳在有孔的空心针(48)内的内部指示电极体(46)。 固定在针(48)上的支架(66)可以方便地操作和植入传感器(44)。