Patent ID: 7758568
Filing Date: 2010-07-20
Classification: A61M

Abstract:
1. An implantable therapeutic substance delivery device comprising: a first housing adapted for subcutaneous implantation, the first housing comprising an implantable, hermetically sealed unit; a second housing adapted for subcutaneous implantation, the second housing comprising an implantable, hermetically sealed unit; a coupling connecting the first housing to the second housing; a fluid reservoir located within one of the first housing and the second housing; control electronics located within one of the first housing and the second housing; a power source located within one of the first housing and the second housing, the power source operably connected to the control electronics; an infusion outlet located on one of the first housing and the second housing; and a solenoid pump mechanism located within one of the first housing and the second housing, wherein the pump mechanism comprises a piston and is operably connected to the fluid reservoir and the infusion outlet such that the pump mechanism is capable of delivering a therapeutic substance in the fluid reservoir to the infusion outlet; wherein the pump mechanism and the fluid reservoir are not in the same housing.