Ankle joint orthosis with u-shaped joint collar and flexible web

An ankle joint orthosis, more particularly for the early functional treatment of fresh fibular ligament ruptures and of severe tarsal distortions, the ankle joint orthosis comprising a U-shaped joint collar having a front side and a rear side, the joint collar comprising an outer ankle splint and an inner ankle splint, a web of a flexible material extending underneath the heel of the foot connecting the outer ankle splint and the inner ankle splint, the ankle splints being additionally interconnected on the rear side by means of a wide band which leaves the heel and the Achilles tendon attachment uncovered, and on the front side and in an upper region by means of at least one longitudinally variable belt strap, the ankle splints having anatomically adapted and configured recesses, further comprising a metatarsal portion extending transversely underneath the planta proximally to the capitula of the metatarsal bones, the metatarsal portion comprising medial and lateral flaps which embrace the border of the foot both laterally and medially, the medial flap and the lateral flap being interconnected by means of a transverse cross strap, further comprising a highly flexible bridge portion for connecting on the side of the planta the metatarsal portion to the web of the joint collar, the bridge portion acting as an articulation, a cross belt strap each being hinged to the medial and lateral flaps of the metatarsal portion, wherein a first of the cross belt straps extends from the medial flap via the proximal dorsum pedis to the outer ankle splint and is secured to the outer ankle splint and a second of the cross belt straps extends from the lateral flap to the inner ankle splint and is attached to the inner ankle splint.