Patent ID: 8718774

Claim:
An implantable medical device, comprising: (a) a metal housing comprising: (i) a first portion having a base and one or more sidewalls wherein the base and sidewalls each have an interior surface and an exterior surface and wherein the interior surfaces of the base and sidewalls define a cavity; (ii) a second portion configured to enclose the cavity defined by the first portion when the housing is assembled, wherein the first and second portions are capable of being hermetically sealed to isolate the cavity defined by the housing from an external environment and the housing defines an opening configured to accommodate one or more feedthroughs extending from a header located external to the cavity defined by the sidewalls; (iii) one or more elements selected from the group consisting of: a header attachment element integrally molded with and extending from the exterior surface of the first or second portion of the housing, the header attachment element comprising a header attachment surface with one or more header attachment structures configured to mate with a connector header; a header attachment surface integrally molded with the first or second portion of the housing and on the exterior surface of the first or second portion of the housing, the header attachment surface comprising one or more header retaining features configured to secure the connector header to the header attachment surface; one or more structural elements extending from and integrally molded with the interior surface of the first or second portions of the housing, and combinations thereof; and (b) an electronic package configured to be disposed within the housing.