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Feedthrough connector for implantable medical device

  • US 4,934,366 A
  • Filed: 09/19/1989
  • Issued: 06/19/1990
  • Est. Priority Date: 09/01/1988
  • Status: Expired due to Term
First Claim
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1. An implantable medical device comprising:

  • a hermetically sealed housing;

    an electrical circuit within said housing;

    An electrical connector within said housing comprising;

    a tubular barrel assembly having an open end and a closed end, and a barrel axis passing through the open end and closed end, said open end being, attached to an exposed surface of said housing, said closed end being internal to said housing, the tubular barrel assembly creating a tubular channel that protrudes into the sealed housing, but does not break the seal of said housing, the inside of said tubular channel being open to the outside of said sealed housing through said open end, the tubular channel further comprising a plurality of conductive cylindrical portions coaxial with the barrel axis, the dimension of the diameter of successive cylindrical portions progressively decreasing from the open end to the closed end,means for making electrical contact between selected cylindrical portions of said tubular channel and said electrical circuit, andlocking means for detachably locking and gripping an electrical lead axially inserted into the open end of said tubular channel in electrical contact with selected cylindrical portions of said tubular channel, said locking means being actuable with less than 360 degrees of relative rotation between said lead and said tubular barrel assembly.

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