<qa>  What is the primary objective of this study?With this study results of the Targon PH nail, developed for the treatment of humeral head fractures, will be investigated clinically, radiological evaluation is optional. The primary objective of this study is to examine the effect of a plating treatment on the speed of recovery of functional capacity in adult patients. Secondary aims are to examine the level of pain, patient satisfaction, shoulder function, quality of life, radiological evaluation and complications. 