Patent ID: 8905915

Claim:
A remotely controllable, self-regulating gastric band system for treating an overweight patient, the gastric band system comprising: a gastric band for implantation around an upper portion of a stomach of the patient, the gastric band having an inflatable portion disposed around an inner circumference thereof for containing a volume of a fluid, the inflatable portion connected to a first check valve that is movable between open and closed states to either permit or restrict flow of the fluid into or out of the inflatable portion; a reservoir for storing a volume of the fluid, the reservoir connected to a second check valve that is movable between open and closed states to either permit or restrict flow of the fluid into or out of the reservoir; a bleed valve in fluid communication with at least the reservoir; a sensor for sensing an instantaneous parameter of the gastric band or the fluid; a controller responsive to the sensor and configured to automatically control the volume of the fluid contained in the inflatable portion of the gastric band, the controller including at least one pump connected between the first and second check valves; an external control device configured to be positioned outside the patient and configured to wirelessly communicate with the controller, the external control device configured to be remotely controlled via a web server application, and a power source configured to be implanted in the patient for powering the system.