An apparatus for the administration of a respiratory gas and at least one anaesthetic to a living being, in which apparatus the anaesthetic is vaporized in a vaporizing unit and is entrained in respiratory gas, acquires a safer and more accurate control of the anaesthetic concentration level by means...http://www.google.es/patents/US5237990?utm_source=gb-gplus-sharePatente US5237990 - Apparatus for the administration of a respiratory gas and at least one anaesthetic
Apparatus for the administration of a respiratory gas and at least one ...