Patent ID: 6337627
Filing Date: 2002-01-08
Classification: A61B,G01V

Abstract:
A system for providing medical treatment to a living body with a treatment device, said system comprising:a) a said treatment device disposed within said living body, b) an element attached to said treatment device, wherein said element comprises a magnetic material and is capable of emitting a non-linear magnetic signal in response to an applied ac magnetic field, c) a magnetic field generator for irradiating said element and a juxtaposed region of said living body with an applied ac magnetic field, d) a movable magnetic field sensor operable to detect said non-linear magnetic signal from a plurality of selected mutually displaced positions to produce a corresponding plurality of element-locating signals, e) a computing apparatus for converting said element-locating signals to a location image of said treatment device, and f) a controller device for controlling the position and treatment action of said treatment device in synchronism with said location image.