A sensor system for use with an infusion system may include at least one sensor disposed within a catheter, the at least one sensor comprising at least one of an optical sensor, an electrical sensor or a chemical/biochemical sensor. The sensor system may instead include a sample cell that is in fluid...http://www.google.co.uk/patents/US20090069743?utm_source=gb-gplus-sharePatent US20090069743 - INFUSION THERAPY SENSOR SYSTEM
