#$%^&*AU2013221937A120140417.pdf#####MAGNETIC FIELD VIEWING FILM FOR TRACKING IN-SITU SURGICAL APPLICATIONS Abstract A method is provided. The method includes placing a magnetic field viewing film (10) over a region of tissue inserting at least one of a medical device or a medical instrument (34) comprising at least one magnetic element (36) into the region of the tissue and determining a location of at least one of the medical device or the medical instrument (34) based on a visualization by the magnetic field viewing film (10) of a magnetic field produced by the at least one magnetic element (36).1/7 10 1 2a f 14 12b Fig. 1 18 14 185 18 Fig. 2
