preventive pressure ulcer boot (up) in the heel region. the invention deals with preventive pressure ulcer boot mode (up) in the calcaneus region, which brings together ideal material resources, configuring a design that meets the standards of international guidelines and hospital infection control standards, focusing on effectiveness and comfort of this orthosis, taking into account factors that contribute to the appearance of up, avoiding the harmful effects of these contributing factors. the invention reveals a boot (1) with a barrel (2) and sole (3), characterized by: the boot (1) covering the entire foot up to the region of the popliteal fossa and being frontally open (4) to fit the foot / patient's leg； the barrel (2) and the sole (3) covered with viscoelastic foam using the airstripe system (5) and having a final coating, internal and external, by gore-tex® fabric? gtxou similar (6)； to have an anatomical eva foam insole (7), with a chimney effect system (8) and with an airstripe system (5), with its side edges overlaid with viscoelastic foam and covered by gore-tex® fabric? gtx or similar (6)； it has a padded internal posterior support (9) with a concave end (10) that, together with the posterior shape of the anatomical insole (7), configure a cavity (11) that keeps the heel suspended； the alignment of the foot and fixation of the boot (1), in a neutral anatomical position, be carried out on the dorsum of the foot and leg, using nylon straps (12) affixed by trident or velcro fastening (13).bota preventiva de úlcera por pressão (up) na região do calcâneo. o invento trata de modalidade de bota preventiva de úlcera por pressão (up) na região do calcâneo, que reúne recursos materiais ideais, configurando um design que atenda as normas das diretrizes internacionais e as normas de controle de infecção hospitalar, focando na efetividade e conforto desta órtese, levando em consideração fatores que contribuem para o surgimento da up, evitando os efeitos deletérios de
