A multi-stage drug administration device which, after connection to a standard IV port in the arm of a patient, administers the entire batch of drugs required by a patient automatically. The inventive device operates without any required stages of flushing, requiring no further supervision by a medical...http://www.google.com/patents/US20050240157?utm_source=gb-gplus-sharePatent US20050240157 - Multi-stage drug administration device and method
