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公开(公告)号：US5674258A
公开(公告)日：1997-10-07
申请号：US399072
申请日：1995-03-08
CPC分类号： A61N1/36542 , G01P1/02 , G01P1/023 , G01P15/0802 , G01P15/0922 , G01P2015/0828
摘要： Disclosed are method and apparatus for creating a cantilever accelerometer beam by mechanically forming an accelerometer from a piezoelectric substrate. The inherent structure of the accelerometer provides a means for employing surface mount technology (SMT), or a protective package may be utilized to couple the accelerometer to the hybrid circuit within an implantable pacemaker. The sensor's structure is defined by three members. The first and second members are used to couple the sensor to the hybrid circuit and the third member defines the cantilever accelerometer beam, which generates an electrical output signal indicative of a patient's activity.
摘要翻译： 公开了通过从压电基板机械地形成加速度计来产生悬臂加速度计梁的方法和装置。 加速度计的固有结构提供了采用表面贴装技术（SMT）的方法，或者可以使用保护封装将加速度计耦合到可植入起搏器内的混合电路。 传感器的结构由三个成员定义。 第一和第二构件用于将传感器耦合到混合电路，并且第三构件限定悬臂加速度计束，其产生指示患者活动的电输出信号。
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公开(公告)号：US5885471A
公开(公告)日：1999-03-23
申请号：US904142
申请日：1997-07-31
申请人： David A. Ruben , Mark E. Henschel , Larry R. Larson , Roy Inman , Louis A. Molinari , Joan A. O'Gara , Ronald F. Messer
发明人： David A. Ruben , Mark E. Henschel , Larry R. Larson , Roy Inman , Louis A. Molinari , Joan A. O'Gara , Ronald F. Messer
CPC分类号： A61N1/36542 , G01P1/02 , G01P1/023 , G01P15/0802 , G01P15/0922 , G01P2015/0828
摘要： The present invention relates to accelerometer assemblies for implantable medical devices such as pacemakers, IPGs, PCDs, defibrillators, ICDs and the like. The accelerometer assembly of the present invention comprises a beam that deflects in response to being subjected to an externally provided force. Deflection of the beam generates a voltage in a piezoelectric material disposed in the assembly. At least one stop is provided to limit the vertical range of motion through which the beam may deflect to prevent failure, fracturing or breakage of the beam resulting from excessive deflection of the beam that might otherwise occur were the stop not present.
摘要翻译： 本发明涉及用于诸如起搏器，IPG，PCD，除颤器，ICD等的可植入医疗装置的加速度计组件。 本发明的加速度计组件包括响应于经受外部提供的力而偏转的梁。 光束的偏转产生设置在组件中的压电材料中的电压。 提供至少一个止挡件以限制横梁的垂直运动范围，以防止由于横梁的过度挠曲而导致梁的失效，断裂或断裂，否则可能发生停止不存在。
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公开(公告)号：US5392672A
公开(公告)日：1995-02-28
申请号：US28656
申请日：1993-03-09
申请人： Larry R. Larson , Carl E. Campbell
发明人： Larry R. Larson , Carl E. Campbell
IPC分类号： B25B13/46
CPC分类号： B25B13/463 , B25B13/461
摘要： A ratchet wrench imparts rotational movement to a relatively large workpiece such as the stem of a water main valve or a fire hydrant. The wrench includes an annular driver member, a housing having an elongated recess, a pawl element and a bias element. The annular driver member is adapted to detachably engage the workpiece and includes a plurality of driver teeth disposed circumferentially around its outer periphery. The housing receives the annular driver member so that rotational movement can be imparted to it within the housing and the handle structure extends from the housing to provide mechanical advantage for imparting the rotational movement. The elongated recess extends into the housing along a longitudinal access. The elongated recess is positioned with respect to an imaginary line tangent to a selected radius of the annular driver member such that the longitudinal axis is disposed substantially parallel to or coextensive with the selected radius. The pawl element is slideably disposed within the elongated recess and configured to sequentially register with the driver teeth as the annular driver member relatively rotates within the housing. The bias element resiliently urges the pawl element into contact with the annular driver member.
摘要翻译： 棘轮扳手将旋转运动提供给诸如主水阀或消防栓的较大工件。 扳手包括环形驱动器构件，具有细长凹部的壳体，棘爪元件和偏置元件。 环形驱动器构件适于可拆卸地接合工件并且包括围绕其外周围周向设置的多个驱动齿。 壳体接收环形驱动器构件，使得可以在壳体内赋予旋转运动，并且手柄结构从壳体延伸以提供用于赋予旋转运动的机械优点。 细长的凹槽沿着纵向通道延伸进入壳体。 细长凹槽相对于与环形驱动器构件的选定半径相切的虚拟线定位，使得纵向轴线基本上与所选择的半径平行或共同设置。 棘爪元件可滑动地设置在细长凹槽内并且构造成随着环形驱动器构件在壳体内相对旋转而顺序地与驱动齿对准。 偏置元件弹性地推动棘爪元件与环形驱动器构件接触。
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