Implantable medical device selective encapsulation

Abstract

Implantable medical devices including a housing that contains operational circuitry for the implantable medical device and a dispensed hydrogen getter. The hydrogen getter may include a getter carrier material and one or more getter materials carried as suspensions in the getter carrier material, with the getter materials taking the form of organic compounds, such as fatty acids, or powdered metal oxides, or combinations thereof. The hydrogen getter may instead be comprised of two fatty acids having different melt temperatures. The hydrogen getter may be dispensed onto an encapsulant layer or other component of the implantable medical device, or may be blended into an encapsulant layer.