A cleaning apparatus and method to be used with an endotracheal tube and including an elongate tubular member that extends into the endotracheal tube. A cleaning assembly which may include an irregular outer surface is provided at a distal end of the elongate tubular member and is radially expandable...http://www.google.es/patents/US7060135?utm_source=gb-gplus-sharePatente US7060135 - Endotracheal tube cleaning apparatus and method
