Patent ID: 8359099

Claim:
A septum for use in an implantable pulse generator, comprising: a body constructed of a first material; and an inner portion constructed of a second material harder than the first material, wherein the body substantially surrounds the inner portion, the inner portion comprising a first lip, a second lip, and a top face, wherein the first lip and the second lip form a portion of an outer surface of the septum, and wherein the top face connects the first and second lips; an H-shaped aperture forming a cantilevered structure in the top face, wherein the H-shaped aperture comprises a slot aperture, a first cantilever aperture, and a second cantilevered aperture, wherein the first cantilever aperture is disposed at one end of the slot aperture and the second cantilever aperture disposed at an opposite end of the slot aperture, wherein the first and second cantilever apertures are oriented substantially perpendicular to a longitudinal axis of the slot aperture, and wherein the slot aperture forms a seam between the first lip and the second lip; wherein the first lip and the second lip deflect downwards when a downwards force is applied to the fist lip and the second lip.