An elongate medical device may include a corewire (188) defining a longitudinal axis, a sensor (176), and a flexible substrate (162) wrapped around the sensor so as to form a tube. The tube is disposed about the longitudinal axis. The elongate body may be a corewire, in an embodiment, and the corewire may extend through the tube. The sensor may comprise a coil, in an embodiment, and the corewire may extend through the coil. The elongate medical device may be a guidewire, in an embodiment.
