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Septum monitoring system and method for an implantable therapeutic substance delivery device

  • US 20070255235A1
  • Filed: 04/28/2006
  • Published: 11/01/2007
  • Est. Priority Date: 04/28/2006
  • Status: Active Grant
First Claim
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1. A system for monitoring an implantable medical device, the system comprising:

  • an implantable liquid therapeutic substance delivery device for delivering a therapeutic substance to a delivery site within a patient, the device including;

    a housing maintaining a reservoir for containing the therapeutic substance, a fill port assembly defining a port chamber in fluid communication with the reservoir, the fill port assembly further including a septum fluidly sealing the port chamber relative to an exterior of the device;

    a temperature sensor associated with the fill port assembly; and

    an indicator device for indicating presence of a needle within the port chamber based upon information from the temperature sensor.

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