New Wireless Device can Help Treat Obesity Written by AZoSensorsJan 11 2021 For people struggling with obesity or suffering from serious health-related problems due to weight gain, gastric bypass surgery, at times, becomes the last option. Park’s paddle-shaped device consists of a harvester that contains microchips for wireless communication. The harvester also produces currents to power LEDs inserted near the end of the shaft. Image Credit: Matthew Linguist, Texas A&M Engineering. In gastric bypass surgery, a small stomach pouch is created and the digestive tract is rerouted, which not only makes this procedure highly invasive but also extends the recovery period for the affected patients.