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Implantable sensor housing, sensor unit and methods for forming and using the same

  • US 20030181794A1
  • Filed: 01/28/2003
  • Published: 09/25/2003
  • Est. Priority Date: 01/29/2002
  • Status: Abandoned Application
First Claim
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1. An in vivo implantable sensor unit comprising:

  • a) a glass sensor housing defining an elongated chamber; and

    b) sensor electronics disposed in the chamber, wherein the sensor electronics are adapted to wirelessly transmit data;

    c) wherein the sensor unit is configured to wirelessly transmit data from an in vivo position to a remote receiver over a period of at least four weeks and the sensor housing is adapted to provide a hermetic seal about the sensor electronics for a period of at least four weeks, wherein the hermetic seal is such that under a helium mass spectrometer leak detection test the sensor housing has a leak rate that is less than about 10

    8
    atm-cc/s.

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