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    • 4. 发明申请
    • POROUS MEMBRANES FOR USE WITH IMPLANTABLE DEVICES
    • 多孔膜与可植入的器件一起使用
    • WO2004105641A2
    • 2004-12-09
    • PCT/US2004015909
    • 2004-05-19
    • DEXCOM INCBRAUKER JAMES HCARR-BRENDEL VICTORIATAPSAK MARK
    • CARR-BRENDEL VICTORIATAPSAK MARK
    • A61L31/10A61L31/14A61L31/16A61F2/00
    • A61L31/146A61L31/10A61L31/14
    • A membrane for implantation in soft tissue comprising a first domain that supports tissue ingrowth, disrupts contractile forces typically found in a foreign body response, encourages vascularity, and interferes with barrier cell layer formation, and a second domain that is resistant to cellular attachment, is impermeable to cells and cell processes, and allows the passage of analytes. The membrane allows for long-term analyte transport in vivo and is suitable for use as a biointerface for implantable analyte sensors, cell transplantation devices, drug delivery devices, and/or electrical signal delivering or measuring devices. The membrane architecture, including cavity size, depth, and interconnectivity, provide long-term robust functionality of the membrane in vivo.
    • 用于植入软组织中的膜包括支撑组织向内生长的第一结构域,破坏通常在异物反应中发现的收缩力,促进血管分布,并妨碍阻隔细胞层的形成,以及抵抗细胞附着的第二结构域是 对细胞和细胞过程不可渗透,并允许分析物通过。 该膜允许体内长期的分析物输送,并且适合用作可植入分析物传感器,细胞移植装置,药物递送装置和/或电信号传递或测量装置的生物界面。 膜结构,包括腔体尺寸,深度和互连性,在体内提供膜的长期稳定的功能。
    • 7. 发明申请
    • AFFINITY DOMAIN FOR ANALYTE SENSOR
    • 分析传感器的AFFINITY域
    • WO2005052543A2
    • 2005-06-09
    • PCT/US2004038726
    • 2004-11-17
    • DEXCOM INCBURD JOHNTAPSAK MARKRHODES RATHBUN
    • BURD JOHNTAPSAK MARKRHODES RATHBUN
    • A61B5/00C12M1/34C12Q1/00G01N20060101G01N
    • C12Q1/002A61B5/14532A61B5/14865
    • The preferred embodiments provide a membrane system (16), particularly for use on an electrochemical sensor (10a), wherein the membrane system includes an affinity domain that dampens the effects of target interferant(s) on the sensor. The affinity domain can be layer, surface, region, and/or portion of the membrane system formed using sorbents that have an affinity for the target interferant. The sorbents can be adapted to adsorb the interferants, for example using adsorbents such as chromatography packing materials. The sorbents can also be adapted to absorb the interferants by imprinting a molecular structure on the material that forms the affinity domain such that target interferants bind to the imprinted surfaces at the molecular level.
    • 优选的实施方案提供了一种特别用于电化学传感器(10a)的膜系统(16),其中膜系统包括抵消目标干扰物对传感器的影响的亲和结构域。 亲和结构域可以是使用对目标干扰物具有亲和力的吸附剂形成的膜系统的层,表面,区域和/或部分。 吸附剂可以适于吸附干扰剂,例如使用吸附剂如色谱填充材料。 吸附剂也可适用于通过在形成亲和结构域的材料上印记分子结构来吸收干扰物,使得靶分子在分子水平上与印迹表面结合。