Conductive housing for implantable cardiac device

摘要

An implantable cardiac stimulator having a housing defining an interior cavity and having an exterior surface, and a defibrillation pulse generator circuit contained within the cavity. The housing exterior surface has a number of ridges, and each ridge includes at least two surfaces that are angularly offset from each other at an edge. The ridges may be formed by creating grooves in the housing in a closely spaced arrangement.