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    • 1. 发明授权
    • Biomedical return electrode having thermochromic layer
    • 具有热变色层的生物医学返回电极
    • US08118807B2
    • 2012-02-21
    • US11578454
    • 2005-04-18
    • Aravinda ThiagalingamPramesh KovoorDavid Leslie RossMichael Anthony Barry
    • Aravinda ThiagalingamPramesh KovoorDavid Leslie RossMichael Anthony Barry
    • A61B18/16
    • A61B18/16A61B2017/00084A61B2018/00809
    • A biomedical return electrode for electrosurgery or radiofrequency (RF), a biomedical electrode pad (100), a system (300), and a method of treating tissue using a biomedical return electrode are disclosed. The biomedical return electrode comprises an electrode conductor (114) for receiving electrical energy from tissue via a return path, and a thermochromic liquid crystal (TLC) layer (116) coupled to the conductor (114). The TLC layer (116) changes color at one or more sites dependent upon the conductor temperature at each site. The TLC layer (116) changes color in a predetermined range of temperatures from about 40° C. to about 50° C. to alert an operator about the risk of a burn occurring. The biomedical electrode pad (100) comprises at least one such biomedical return electrode and a conductive body (112) to form a contact with tissue. The system (300) comprises an apparatus for delivering electrical energy to tissue and such a biomedical electrode pad (100). The system (300) may optionally comprise a color sensor (340) for viewing the pad (100) and monitoring equipment for remotely observing the pad (100).
    • 公开了用于电外科或射频(RF)的生物医学返回电极,生物医学电极垫(100),系统(300)以及使用生物医学返回电极处理组织的方法。 生物医学返回电极包括用于经由返回路径从组织接收电能的电极导体(114)和耦合到导体(114)的热致变色液晶(TLC)层(116)。 TLC层(116)根据每个位置的导体温度在一个或多个位置改变颜色。 TLC层(116)在约40℃至约50℃的预定温度范围内改变颜色,以向操作者警告发生烧伤的风险。 生物医学电极垫(100)包括至少一个这样的生物医学返回电极和导电体(112)以形成与组织的接触。 系统(300)包括用于将电能传送到组织和这种生物医学电极垫(100)的装置。 系统(300)可以可选地包括用于观察垫(100)的颜色传感器(340)和用于远程观察垫(100)的监测设备。
    • 2. 发明申请
    • Biomedical Return Electrode Having Thermochromic Layer
    • 具有热变色层的生物医学返回电极
    • US20080195089A1
    • 2008-08-14
    • US11578454
    • 2005-04-18
    • Aravinda ThiagalingamPramesh KovoorDavid Leslie RossMichael Anthony Barry
    • Aravinda ThiagalingamPramesh KovoorDavid Leslie RossMichael Anthony Barry
    • A61B18/16
    • A61B18/16A61B2017/00084A61B2018/00809
    • A biomedical return electrode for electrosurgery or radiofrequency (RF), a biomedical electrode pad (100), a system (300), and a method of treating tissue using a biomedical return electrode are disclosed. The biomedical return electrode comprises an electrode conductor (114) for receiving electrical energy from tissue via a return path, and a thermochromic liquid crystal (TLC) layer (116) coupled to the conductor (114). The TLC layer (116) changes colour at one or more sites dependent upon the conductor temperature at each site. The TLC layer (116) changes colour in a predetermined range of temperatures from about 40° C. to about 50° C. to alert an operator about the risk of a burn occurring. The biomedical electrode pad (100) comprises at least one such biomedical return electrode and a conductive body (112) to form a contact with tissue. The system (300) comprises an apparatus for delivering electrical energy to tissue and such a biomedical electrode pad (100). The system (300) may optionally comprise a colour sensor (340) for viewing the pad (100) and monitoring equipment for remotely observing the pad (100).
    • 公开了用于电外科或射频(RF)的生物医学返回电极,生物医学电极垫(100),系统(300)以及使用生物医学返回电极处理组织的方法。 生物医学返回电极包括用于经由返回路径从组织接收电能的电极导体(114)和耦合到导体(114)的热致变色液晶(TLC)层(116)。 TLC层(116)根据每个位置的导体温度在一个或多个位置改变颜色。 TLC层(116)在约40℃至约50℃的预定温度范围内改变颜色,以向操作者警告发生烧伤的风险。 生物医学电极垫(100)包括至少一个这样的生物医学返回电极和导电体(112)以形成与组织的接触。 系统(300)包括用于将电能传送到组织和这种生物医学电极垫(100)的装置。 系统(300)可以可选地包括用于观察垫(100)的颜色传感器(340)和用于远程观察垫(100)的监测设备。