Non-slip self-supporting orthopedic device provided with a movable mechanism (1) consisting of:- upper disk (10) adapted to be slidably engaged with the rod (100) and externally provided with a hinge (13)；- lower disk (20), firmly connected with said orthopedic device such to allow the elastomeric foot (101') to project downward, and externally provided with a hinge (23)；- arms (30-30'-30'') with upper element (31), lower element (32) and spring (33) adapted to hold the arm (30-30'-30'') in folded configuration；said movable mechanism (1) being adapted to take an enlarged configuration, in which the upper disk (10) is in contact with the lower disk (20) and said arms (30-30'-30'') are folded； said movable mechanism (1) taking an elongated configuration, in which the arms (30-30'-30'') are in axial configuration following the pressing of a button (40) connected to akinematic mechanism (41) which causes the arms (30-30'-30'') to take the axial configuration； said reversible connection system allowing the reversible disconnection of thelower elements (32) of the arms (30-30'-30'') preselected by the hinge (23), in a manner so as to determine the lifting of the entire arm (30-30'-30'') in a vertical position by means ofits rotation around the hinge (13).Un dispositif orthopédique autoportant antidérapant est pourvu d'un mécanisme mobile (1) constitué de : - un disque supérieur (10) conçu pour être en prise coulissante avec la tige (100) et pourvu extérieurement d'une charnière (13)； - un disque inférieur (20), fermement relié audit dispositif orthopédique de manière à permettre au pied élastomère (101') de faire saillie vers le bas, et pourvu extérieurement d'une charnière (23)； - des bras (30-30'-30'') avec un élément supérieur (31), un élément inférieur (32) et un ressort (33) conçu pour maintenir le bras (30-30'-30'') en configuration pliée； ledit mécanisme mobile (1) étant conçu pour prendre une configuration agrandie, dans laquelle le disque supérieur (10) est en co
