US Patent 8192480 System and method of detecting implant detachment

A system and method of detecting implant detachment within the body of a patient. The activation of the heater coil causes the degradation, melting or reduction of a component that brings the heater coil into or out of electrical contact with another component, or causes the individual loops of the coil to contact each other, thereby resulting in a notable change in resistance in the circuit supplying the heater coil with electricity.