The present invention relates to an implantable, motorized device that facilitates movement of fluid to an inflatable portion of a gastric band, the implantable, motorized device comprising: a housing having a fluid port an integrated reservoir positioned within the housing and adjacent to the fluid port and capable of holding the fluid a first piston positioned within the housing and adjacent to the integrated reservoir, the first piston capable of moving a portion of the fluid from the integrated reservoir to the inflatable portion of the gastric band a first leadscrew coupled to the first piston and causing the first piston to move between a first position and a second position and a motor attached to the housing and coupled to the first leadscrew, the motor moving the first piston between the first position and the second position, and when the first piston is in the first position, the integrated reservoir having a larger volume than when the first piston is in the second position, the motor being controlled by a telemetric signal received from a remote device.
