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Method of forming a tubular feed-through hermetic seal for an implantable medical device

  • US 5,640,764 A
  • Filed: 05/22/1995
  • Issued: 06/24/1997
  • Est. Priority Date: 05/22/1995
  • Status: Expired due to Term
First Claim
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1. A method of forming a hermetic seal for device to be implanted in living tissue, the device having a sealed casing, the method comprising the steps of:

  • inserting a tube into the device such that one end of a tube is disposed within the casing and the other end extends out from the casing;

    hermetically sealing the tube to the casing;

    venting any volatile gases within the casing through the tube;

    vacuum baking the device to drive out any moisture from the casing through the tube; and

    sealing the end of the tube extending out from the casing.

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