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    • 10. 发明授权
    • Capacitive pressure sensor assembly
    • 电容式压力传感器组件
    • US08397578B2
    • 2013-03-19
    • US12793459
    • 2010-06-03
    • Keith A. MieselJames M. HaaseChris J. PaidoshDarren A. JanzigTimothy J. Denison
    • Keith A. MieselJames M. HaaseChris J. PaidoshDarren A. JanzigTimothy J. Denison
    • G01L9/12A61M5/14
    • G01L9/0072G01L19/142G01L19/143G01L19/147H01L2224/48472Y10T29/49002Y10T29/53265
    • The disclosure is directed to a capacitive pressure sensor, and the assembly of a capacitive pressure sensor, that may be used within an implantable medical pump. In one example, a housing ferrule that encloses one capacitive plate and includes at least one protrusion for attaching a support structure of the capacitive plate. The at least one protrusion defines a smaller inner diameter as a reference point for securing the support structure while the ferrule provides a larger inner diameter to allow the support structure to tilt inside the ferrule to orient the capacitive plate into a desired plane. Despite manufacturing irregularities, the capacitive plate can be mounted in the desired plane parallel to another capacitive plate, a diaphragm, mounted to an edge of the ferrule. In another example, an assembly tool provides a stage to orient the capacitive plate and support structure within the ferrule at a desired depth.
    • 本公开涉及电容式压力传感器以及可在可植入医疗泵内使用的电容式压力传感器的组件。 在一个示例中,壳体套圈包围一个电容板并且包括用于附接电容板的支撑结构的至少一个突起。 所述至少一个突出部限定较小的内径作为用于固定支撑结构的参考点,同时套圈提供更大的内径以允许支撑结构在套圈内部倾斜以将电容板定向到期望的平面。 尽管制造不规则,但是电容板可以安装在平行于另一个电容板的所需平面中,该电容板安装在套圈的边缘上。 在另一示例中,组装工具提供了将电容板和支撑结构定位在套圈内的阶段,以期望的深度。