Patent ID: 6255815
Filing Date: 2001-07-03
Classification: G01R

Abstract:
A magnetic field calibration device for a magnetic nerve stimulator having a core, comprising:a coil of wire;an electrical detector attached to said coil of wire, for reading at least one of voltage and current induced in said coil when said device is placed in a magnetic field produced by the core;a housing having an interior, said coil and said electrical detector disposed in said interior, said electrical detector having a display formed on an outer surface of said housing; anda visual locator window, formed in said housing, circumscribed by said coil so that said coil can be visually located in front of the core of the magnetic nerve stimulator,wherein said visual locator window is adapted to enable a user to see straight through said housing from a first primary side of said housing to an opposite second primary side of said housing and thus enables the user to position said device properly in front of the core of the nerve stimulator.