Patent ID: 11918821
Assignee: CARDIAC PACEMAKERS, INC.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 8:
9. An implantable medical device comprising:
a housing; and
a header attached to the housing, the header including one or more connector port subassemblies, each of the one or more connector port subassemblies having:
a connector bore arranged within a core subassembly including a proximal end and a distal end,
one or more connector blocks configured to interference fit within the connector bore,
one or more windows through the core subassembly to the one or more connector blocks; and
one or more seal rings configured to interference fit within the connector bore and eliminate adulterant entry into the connector bore through the one or more windows, the seal rings including an exterior portion having an exterior surface associated with an outer diameter of the seal ring and a interior portion having an interior surface associated with an inner diameter of the seal ring,
wherein the exterior surface comprises a first material and the interior portion comprises a second material, wherein the first material is less flexible than the second material.