Patent ID: 6305381
Filing Date: 2001-10-23
Classification: A61B,A61M

Abstract:
A system for locating an implantable medical device, comprising:the implantable device, the device comprising:a transmitter capable of generating output signals;a coil array comprising a first receiving coil, a second receiving coil and a third receiving coil, the coils emitting sensed signals in response to receiving at least portions of the output signals, anda processor operably coupled to the first, second and third coils to receive the sensed signals, the processor determining the respective levels of energy sensed by the first, second and third coils, the processor intermittently determining the level of energy received by the first, second and third receiving coils, the processor further comprising means for determining whether the level of energy sensed by the first coil, the second coil or the third coil exceeds a predetermined threshold level.