The need for the delivery of insulin by injection can be reduced or eliminated by delivering aerosolized insulin. Repeatability of dosing is obtainable by using either regular insulin or monomeric insulin. When delivering insulin (not monomeric) by inhalation, the total inhaled volume should be about...http://www.google.de/patents/US7278419?utm_source=gb-gplus-sharePatent US7278419 - Method for treating diabetes mellitus in a patient