A tungsten carbide compact of an earth boring bit has a cutting tip that is generally chisel-shaped with substantially flat flanks converging to an elongated crest. A remote monitoring device is described to allow patients to complete a follow-up session from the comfort of their own home or from some other remote location. The coupling device as formed has a main body communicating with at least two openings. If a patient fails to meet one or more predefined threshold criteria or has a negative physiological trend, the system may activate an alarm.