Wireless Sensor Monitors Blood Flow after Surgery

A new device developed by Stanford University researchers could make it easier for doctors to monitor the success of blood vessel surgery. The sensor, detailed in a paper published in Nature Biomedical Engineering, monitors the flow of blood through an artery. It is biodegradable, battery-free, and wireless, so it is compact and doesn't need to be removed, and it can warn a patient's doctor if there is a blockage.