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Multipolar in-line proximal connector assembly for an implantable stimulation device

  • US 5,304,219 A
  • Filed: 06/05/1992
  • Issued: 04/19/1994
  • Est. Priority Date: 06/14/1991
  • Status: Expired due to Term
First Claim
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1. An implantable stimulation lead having a proximal end and a distal end having at least tip and ring electrodes and a sensor for sensing a physiological parameter of the body, the sensor having a first and second sensor terminal, the tip and ring electrodes and the first and second sensor terminals being coupled to at least a first, a second, a third and a fourth conductor, respectively, the implantable stimulation lead further comprising:

  • a pin terminal at the proximal end;

    at least a first, second and third ring terminal at its proximal end;

    at least a first, second and third conductive rod, each rod having a proximal end in electrical contact with only one of the ring terminals without touching the other of the ring terminals, each rod having a distal end electrically connected to a respective one of the second, third and fourth conductors;

    a conductive tube electrically connected to the pin terminal, the conductive tube being shaped to avoid electrical contact with the ring terminals and their respective rods, the conductive tube being electrically connected to the first conductor; and

    a plurality of prefabricated insulating spacers, each spacer having mechanical joining means for slidably joining, while electrically insulating, one pair of adjacent proximal terminals;

    whereby the sensor is electrically connected between the second and third ring terminals and electrically isolated from the tip and ring electrodes.

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