The invention is directed to a method for inflating a bladder including a first and a second distinct chamber linked in fluid communication by an interconnecting port, and a fluid fill inlet linked in fluid communication with the first chamber. A first nozzle set at a first predetermined pressure level...http://www.google.es/patents/US5353459?utm_source=gb-gplus-sharePatente US5353459 - Method for inflating a bladder
