A face mask support for continuous positive airway pressure comprises a circumferential band with biasing means support at the crown of the head on the medial line of the head. The circumferential edge of the cap extends from just below the forehead of a patient to below the inion protrusion at the nape...http://www.google.co.uk/patents/US7089941?utm_source=gb-gplus-sharePatent US7089941 - Face mask support