Removable flexible orthosis for middle foot damage

A removable flexible orthosis for injuries to the midfoot, comprising:

• a first metatarsophalangeal collar designed to be fitted to the forefoot, extending transversally on the heads of the first and fifth metatarsals, and longitudinally from the rear of the toe roots to the mid-diaphysis of the metatarsals,
• at least one traction strap, wherein at least one end of the traction strap is fixed or fixable on the first metatarsophalangeal collar, the traction strap extending between the first metatarsophalangeal collar and the rear of the foot and surrounding the back of the heel bone or calcaneus,
• a second malleolar collar designed to be placed around the ankle, wherein the second malleolar collars is fixed, at least in part, to the traction strap,
• a return strap extending between the first metatarsophalangeal collar and the second malleolar collar, wherein the return strap is fixed to the first metatarsophalangeal collar and to the second malleolar collar along an attachment line that extends from the toe root to the tarsal bones on the outer or inner edge(s) of the foot, and
• a third tarsal collar designed to be placed around the foot to cover the bones of the tarsus and to close onto itself, wherein at least one end of the third tarsal collar is fixed to the return strap.