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Compression screw (Herbert screw) is used to compress bone fragments and osteosynthesis of bone fragments, mostly in fractures within the bones of the hand and wrist (scaphoid and other wrist bones, basis metacarpalis, distal phalanxes).

is designed for stable osteosynthesis of the tarsus and distal tibia, for the treatment of degenerations and deformities of the tarsal joints.

INDICATIONS:

• tibio-calcaneal arthrodesis;
• combined arthrodesis of talocrural joint and talocalcaneal joint;
• avascular necrosis of talocrural joint and talocalcaneal joint;
• rheumatoid arthritis;
• severe, secondary deformity of untreated congenital clubfoot (talipes equinovarus) or in case of neuromuscular disease;
• seriously deformed foot/ankle, arthritic deformity of ankle with associated stiffness in the talocalcaneal joint;
• osteoarthritis;
• instability and skeletal defects after tumor resection;
• distal tibia fractures with non-unions;
• tibia and/or talus PLAFOND fracture where reconstruction is not possible;
• severe comminuted fractures with associated damage of talocalcaneal joint;
• fractures, dislocations of the ankle combined with serious arthritic changes and loss of function;
• above-ankle non-union combined with stiffness in the talocalcaneal joint;
• malunion of ankle;
• failed total ankle replacement with talocalcaneal joint intrusion.