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IMPLANTABLE MEDICAL ELECTRICAL LEAD CONNECTOR ASSEMBLIES AND METHODS OF MANUFACTURE

  • US 20150165217A1
  • Filed: 03/05/2014
  • Published: 06/18/2015
  • Est. Priority Date: 12/18/2013
  • Status: Active Grant
First Claim
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1. A connector assembly for an implantable medical electrical lead, the assembly having a central longitudinal axis and a uniform outer diameter conforming to a requirement for the connector to mate with a connector receptacle of an implantable medical device, and the assembly comprising:

  • a plurality of contact rings extending around the central longitudinal axis and being spaced apart from one another along a length of the assembly, each of the contact rings having an inner surface, and an outer contact surface, each outer contact surface defining the uniform outer diameter;

    a bulk of insulation supporting the plurality of contact rings and isolating the contact rings from one another, the bulk of insulation including a plurality of sealing surfaces, and a shank, each sealing surface also defining the uniform outer diameter of the assembly, the shank defining a distal end of the bulk of insulation, and the shank having an asymmetric profile, a first sealing surface of the plurality of sealing surfaces extending from a proximal end of the bulk of insulation to a first ring of the plurality of contact rings, a second sealing surface of the plurality of sealing surfaces extending between the first contact ring and a second contact ring of the plurality of contact rings, and a third sealing surface of the plurality of sealing surfaces extending distally from the second contact ring;

    at least one conductor pin extending within the bulk of insulation, a distal end of each conductor pin protruding distally from the bulk of insulation and being exposed alongside the shank thereof, and a proximal end of a first conductor pin of the at least one conductor pin being coupled to the inner surface of the first contact ring; and

    a core extending within the bulk of insulation, the core being aligned along the central longitudinal axis of the assembly.

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