Patent ID: 8514044
Filing Date: 2013-08-20
Classification: A61B,A61N

Abstract:
1. A medical examination or treatment device comprising: a bracket comprising a base and two sides extending from the base; a mechanical guidance device; a C-arm that is guided movably along an arc path on the bracket via the mechanical guidance device; magnet elements provided on the C-arm; and magnetic field generation elements provided on inner surfaces of the two sides of the bracket, wherein the magnet elements and the magnetic field generation elements interacting together create a magnetic field that moves the C-arm along the arc path, wherein the magnet elements comprise a plurality of permanent magnets with alternating polarity, the plurality of permanent magnets being disposed on an outer periphery of the C-arm, wherein the magnetic field generation elements comprise a plurality of coils separately suppliable with current, the plurality of coils being provided on the inner surfaces of the two sides of the bracket, wherein two of the magnetic field generation elements are arranged as a pair on the inner surfaces of the two sides of the bracket, respectively, the inner surfaces being opposite of each other, and wherein the C-arm is accommodated between the two magnetic field generation elements.