CORRUGATED FLEXIBLE SEAL OF A VENTILATION MASK

摘要

A ventilation mask comprises a corrugated flexible seal, and a plurality of ridges disposed along the corrugated flexible seal. The corrugated flexible seal is configured for establishing a fluid seal between the ventilation mask and a patient, and for allowing facial movements of the patient while maintaining the fluid seal. The plurality of ridges disposed along the corrugated flexible seal is configured for physical contact with the patient.