A device for balancing the targets of a medical videoscope (31), comprising: a housing (12) having an external surface (14) defining an opening (16), an interior of the housing defining a channel (18) having a first end (20) that communicates with the opening and a second end (22) that ends inside the housing (12) to receive a distal lens (25) of a medical videoscope, and a white balance mechanism ( 10), which has a white balance reference material (24) disposed adjacent to the second end (22) of the channel (18), characterized in that the device further comprises a self-sealing mechanism (30) disposed within the channel ( 18), the self-sealing mechanism being configured to allow a medical videoscope (31) to enter the channel (18) and make contact with the surgical defogging material (26) and to prevent the surgical defogging material from pouring out of the channel (18), configured for bal ancerate the targets of a medical videoscopic system (31) before video-medical procedures, in addition to simultaneously applying an agent that prohibits fogging to the distal lens (25) of a medical videoscope (31).Un dispositivo para balancear los blancos de un videoscopio médico (31), que comprende: una carcasa (12) que tiene una superficie externa (14) que define una abertura (16), un interior de la carcasa que define un canal (18) que tiene un primer extremo (20) que comunica con la abertura y un segundo extremo (22) que termina dentro de la carcasa (12) para recibir una lente distal (25) de un videoscopio médico, y un mecanismo de balance de blancos (10), que tiene un material de referencia de balance de blancos (24) dispuesto adyacente al segundo extremo (22) del canal (18), caracterizado por que el dispositivo comprende además un mecanismo auto-sellante (30) dispuesto dentro del canal (18), estando el mecanismo auto-sellante configurado para permitir que un videoscopio médico (31) entre en el canal (18) y haga contacto con el material de desempañamiento quirúrgico (26) y p
