Devices and methods for pyloric anchoring

摘要: A device for performing one or more functions in a gastrointestinal tract of patient includes an anchoring member and at least actuator, sensor, combination both coupled with the device. The is adapted to maintain part within pyloric portion patient's stomach intermittently engage, without directly attaching to, tissue. Actuators perform any suitable function, such as transmitting energy tissue, acting sleeve reduce nutrient absorption, occupying space stomach, eluting drug and/or like. Sensors may be sense characteristic tract, pH, temperature, bile content, fats, sugars, alcohol, opiates, drugs, analytes, electrolytes hemoglobin.