Patent ID: 7156865
Filing Date: 2007-01-02
Classification: A61N

Abstract:
1. Irradiation apparatus particularly adapted for photodynamic therapy, comprising an irradiation head ( 1 ) equipped with radiation sources including a middle section ( 2 ) and two lateral leaves ( 3 ) mounted on apposite sides of the middle section ( 2 ) in such a way that they can swivel to the side; said middle section ( 2 ) being mounted on a swivel arm ( 6 ) by means of a first swivel joint ( 5 ) in such a way that it can rotate, so that the axis of rotation (U) 16 perpendicular to the middle section ( 2 ); said swivel arm ( 6 ) being mounted on a column ( 8 ) by means of a second swivel joint ( 7 ) in a predetermined orientation to rotate about an axis (W); the axis of rotation (U) of the middle section ( 2 ) and the axis of rotation (w) of the swivel arm ( 6 ) being perpendicular to each other column, ( 8 ) being supported in a column support ( 9 ) in such a way that it can be moved along its central axis (Z) and locked, a toothed segment ( 25 ) supported in a pivot (A, A′) mounted on the middle section ( 2 ) on each side of the middle section ( 2 ); and a shaft ( 26 ) driven by an electric motor ( 28 ) provided with a worm ( 27 ) at each end of the shaft ( 26 ) to adjust the lateral leaves ( 3 ); wherein the worms ( 27 ) move in opposite directions; and each worm ( 27 ) engages one of the toothed segments ( 25 ).