Patent ID: 7818044
Filing Date: 2010-10-19
Classification: A61B,H01F,Y10T

Abstract:
1. A surgical navigation system for navigating a procedure relative to a patient having an electrical isolating portion, comprising: an electrical source; an instrument including a conducting element disposable near the patient; and an isolation transformer interconnecting said electrical source and said instrument, said isolation transformer including an input side, an output side and a dielectric medium, said input side having at least one input side coil coupled to the instrument via a transmission line and said output side having an output side coil for receiving a signal from said input side coil and communicating with a workstation of the navigation system, said input side and output side coils being electrically isolated from each other by the dielectric medium; wherein the input side coil includes a plurality of additional input side coils coupled to a respective plurality of additional instruments; and wherein said output side coil includes a greater number of windings than each of said plurality of input side coils so as to amplify the received signal.