Foot orthosis device, characterized in that: - it comprises at least one orthosis (1) with a butterfly-shaped structure that includes a central spine (1a), two opposing first wings (1b) that converge on the central spine (1a) and two second wings (1c) in opposition that also converge on the central spine (1a)； where along the length of the central spine (1a) a longitudinal gap (3) is configured in which an angular strap (4) formed and concealed is formed by a first branch (4a), a second branch (4b) and a section intermediate (4c) that joins both branches (4a, 4b) of the angular strap (4) that configure an angular structure in the whole of the orthosis (1)； - in coincidence with the first branch (4a) and with the second branch (4b) of the angular strap (4) two padded bodies (5) are located that are hidden within the longitudinal gap (3) and in contact with said angular strap (4)； - the first wings (1b) and the second wings (1c) include adherent means that are configured to join the first two wings (1b) to each other and the two second wings (1c) to each other: - it includes a strap (2) configured to hug each of the two parts of the angular structure of the orthosis (1) when it is used by hugging the foot and the lower part of the leg, just above the ankles from a patient. (Machine-translation by Google Translate, not legally binding)
