Patent ID: 9101776
Filing Date: 2015-08-11
Classification: A61N,H01R,Y10T

Abstract:
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; wherein the shank of the bulk of insulation includes a proximal portion and a distal portion, the proximal portion being defined by an external groove formed therein, the groove extending around the central longitudinal axis, and the distal portion being defined by the asymmetric profile; wherein a connector sleeve which isolate the couplings between the connector assembly and a lead body from an environment external to the implantable medical electrical lead, the connector sleeve interlocks with the external groove.