Patent ID: 7963907
Filing Date: 2011-06-21
Classification: A61B,A61F,A61N

Abstract:
1. A system to treat an obese patient comprising: a) an adjustable implantable band having a volume of fluid therein and adapted to encircle the stomach; b) an implantable pressure sensor adapted to measure changes in fluid pressure within the band, the fluid pressure changes related to patient ingestion of food which passes through the lumen of the stomach of the patient; c) memory adapted to store information related to ingestion of food by the patient; d) a gain control which modifies the relationship between an input signal from the pressure sensor and an output signal, wherein the input signal is related to food passing through the stomach and the output signal is related to adjusting the volume of fluid of the band; and e) a subcutaneous access port, wherein the pressure sensor is located within the port.