Since the Po is heavily equipped with connective tissue is still often discouraged by operations. To restore a tight or crisp Po, also an implant must be used in rare cases, be mounted over the coccyx. The patient can select among different sizes and shapes to represent the naturalness as far as possible. The shelf life is limited, however, and the implant must be replaced again after about 10 years. In particular the examination of EU standards is important in the selection of the implant.

Protruding ears are a deformity of Pinna, already resulting in the development of the embryo. An excess of tissue in the vicinity of the ear canal with a protruding inner ear or an exceptionally large ears cause the effect of sailing ears. An ears OP can perform at the earliest from the fifth year of life, when the danger of psychological damage caused by the tight rein on other children. The procedure can be performed in children with very distinctive protruding ears before starting school.