Improvements introduced in adsorption filter for inhaled halogenated anesthetics for cardiopulmonary bypass. It relates to an adsorption filter (10) of the type pertaining to the field of medical devices, more specifically, used to adsorb inhaled halogenated anesthetics that are eliminated through the output of the membrane oxygenators (20) of the cardiopulmonary bypass circuit (CPB) said filter (10) contains a hollow reservoir (11) for preservation of adsorber elements (ED) of the activated charcoal type (30), said reservoir (11) being of tubular cylindrical form, and it receives on one of the free extremities (11a) a cover (12) whose internal diameter (d1) is greater than the external diameter (d2) of the cylindrical reservoir (11), so as to produce an access chamber (C1) for the input of the inhaled anesthetic (Al) that, in turn, penetrates through a tubular member (12a) in the central portion of the cover (12), where a tube (Tb1) for connection with the oxygenator device (20) is installed, said tube (Tb1) allowing the input of the gas (Al) into the filter (10) for decontamination on the same extremity (11a) and in the peripheral wall (11b) are made openings (11c) intended for the input of the inhaled anesthetic (Al) after input in the chamber (C1), initiating the ingression in the chamber (C2) of the cylinder (11) endowed with adsorber element (ED).
