Observational Study With Investigation of Two Second Generation Laryngeal Masks

Inclusion Criteria: * Age ≥ 18 Years * No concurrent participation in another study * capacity to consent * Present written informed consent of the research participant * Elective surgery under general anesthesia Exclusion Criteria: * Age \<18 years * Existing pregnancy * Lack of consent * inability to consent * emergency patients * Emergency situations in the context of a Difficult Airway Management * ASA classification\> 3 * situations where the possibility of accumulated gastric contents * Participation in another study