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1. 发明申请

US20110138932A1 CONTACT SENSORS AND METHODS FOR MAKING SAME 有权
标题翻译：联系传感器及其制造方法
公开(公告)号：US20110138932A1
公开(公告)日：2011-06-16
申请号：US12966257
申请日：2010-12-13
申请人： ANDREW C. CLARK , Martine LaBerge
发明人： ANDREW C. CLARK , Martine LaBerge
IPC分类号： G01L1/00
CPC分类号： A61B5/107 , A61B5/4528 , A61B2090/064 , A61B2562/0247 , G01L1/205
摘要： The present invention is directed to novel contact sensors. The contact sensors of the invention include a conductive composite material formed of a polymer and a conductive filler. In one particular embodiment, the composite materials can include less than about 10 wt % conductive filler. Thus, the composite material of the contact sensors can have physical characteristics essentially identical to the polymer, while being electrically conductive with the electrical resistance proportional to the load on the sensor. If desired, the sensors can be formed of the same polymeric material as the bearing that is being examined. The sensors can provide real time dynamic contact information for joint members under conditions expected during use. In one particular embodiment, the sensors can be used to examine dynamic wear characteristics of artificial joint bearings such as artificial knee, hip, or shoulder bearings.
摘要翻译：本发明涉及新颖的接触传感器。本发明的接触传感器包括由聚合物和导电填料形成的导电复合材料。在一个具体实施方案中，复合材料可以包括小于约10重量％的导电填料。因此，接触传感器的复合材料可以具有与聚合物基本相同的物理特性，同时具有与传感器上的负载成比例的电阻而导电。如果需要，传感器可以由与被检查的轴承相同的聚合物材料形成。传感器可以在使用期间预期的条件下为联合成员提供实时动态联系信息。在一个具体实施例中，传感器可用于检查诸如人造膝盖，髋部或肩部轴承的人造关节轴承的动态磨损特性。

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