MagnezixKids Study

Inclusion Criteria: * primary or secondary (within 7 days from trauma) dislocated fracture of the Epicondyles ulnaris or Condylus radialis (indication for operative treatment according to international standard: Dislocation of more than 2 mm in Condylus radials fractures and more than 5 mm in Epicondylus ulnas fractures ) * Age 3-15 years * Informed Consent as documented by signature Exclusion Criteria: * \- open fractures or complex multi fragment fractures that require dif-ferent osteosynthetic procedures than screw fixation * severe local accompanying injury (injury to nerves/vessels) * polytrauma patients * fracture age \> 7 days * preexisting ipsilateral elbow fracture * relevant comorbidities, which have influence on fracture and wound healing * Inability to follow the procedures of the study, e.g. due to language problems, psychological disorders, dementia, etc. of the participant or the legal representatives * Previous enrolment into the current study * Enrolment of the investigator's family members and other dependent persons * Any of the following applicable absolute and relative contraindica-tions listed in the MAGNEZIX® CBS and CSc 4.8 mm instruction for use : Absolute contraindications: * insufficient or avascular bone mass for anchorage of the implant, ex-cept osteochondral fractures and dissecates * confirmation or suspected septic infectious surgical site * application in the area of the epiphyseal plates Relative contraindications: * acute sepsis * alcohol, nicotine and/or drug abuse * epilepsy * poor skin/soft tissue conditions * uncooperative patient or patient with restricted intellectual capacity * no options for adequate postoperative treatment (e.g. temporary strain relief)