Patent ID: 8066672

Claim:
An infusion pump assembly comprising: a housing; a reservoir assembly disposed within the housing and configured to contain an infusible fluid; a motor assembly disposed within the housing and configured to act upon the reservoir assembly and dispense at least a portion of the infusible fluid contained within the reservoir assembly; processing logic disposed within the housing and configured to control the motor assembly; a primary power supply disposed within the housing and configured to provide primary electrical energy to at least a portion of the processing logic; and a backup power supply disposed within the housing and configured to provide backup electrical energy to the at least a portion of the processing logic in the event that the primary power supply fails to provide the primary electrical energy to the at least a portion of the processing logic; wherein the processing logic includes one or more circuit partitioning components configured to divide the processing logic into primary processing logic and backup processing logic; and wherein the one or more circuit partitioning components includes one or more of a diode assembly and a current limiting assembly.