Trial to Evaluate the Effectiveness of Angular Stable Locking System (ASLS) in Patients With Distal Tibial Fractures

Inclusion Criteria: * The patient is ≥ 18 years old * The patient suffers from an acute distal third tibial fracture classified as: AO 42 A1-A3, AO 42 B1-B3, AO 42 C1-C3, AO 43 A1-A3 * The fracture is fixed with an Expert Tibia Nail (ETN) * The patient was able to walk without walking aid prior to the accident * The patient is able to understand and read local language at elementary level * The patient is willing and able to give written informed consent to participate in the study according to the CIP Exclusion Criteria: * The patient is legally incompetent * Preexistent malunion or nonunion of the fracture under investigation * Osteotomies * The patient suffers from additional fractures of the lower extremities (Exception: ipsilateral fibular fracture) * The patient suffers from a pathologic fracture * The patient suffers from active malignancy * The patient is pregnant, breast feeding or planning to get pregnant during the study period * The patient suffers from a life-threatening condition * The patient is affected by drug or alcohol abuse * The patient has participated in any device related clinical trial affecting the lower extremities within the previous month * The patient has participated in any drug related clinical trial affecting bone healing within the previous month