Patent ID: 7729769
Filing Date: 2010-06-01
Classification: A61N,Y10T

Abstract:
1. An implantable medical device for implantation in a body, comprising: a device housing defining an interior cavity; electronic circuitry located in the interior cavity of the device housing; a feed-through assembly having a feed-through housing that is joined to the device housing, the feed-through assembly including conductors held in the feed-through housing and electronically connected to the electronic circuitry; at least one conductor retention terminal being joined to the feed-through housing, each of the terminals having channels for the conductors extending there through, the conductors held internal to the device in electromagnetic interference (EMI) capacitors and polyimide washers, and each of the terminals having a ledge including keying notches that are joined with corresponding features internal to an aperture in the feed-through housing; a back-fill member being joined to the feed-through housing, the back-fill member having an opening therethrough communicating with the interior cavity of the device housing; and a sealing element hermetically secured in the opening through the back-fill member, the sealing element and back-fill member formed of different first and second materials, respectively.