Device (1) for the protection of patients in an operating table, characterized in that it comprises: an elongated platform (2) of transparent material, - lateral supports (3, 4) attached to the extreme sides of the platform (2) to support the platform (2) on a clinical table, - a support (5) for ducts connected with an internal face of the platform (2) or with one of the lateral supports (3, 4), and where one of the lateral supports (3) has an "L" shape with a horizontal extension (3b) for fixing the device (1) to a clinical table. (Machine-translation by Google Translate, not legally binding)