A method and apparatus for periodically and automatically testing and monitoring a patient's blood glucose level. A disposable testing unit is carried by the patient's body and has a testing chamber in fluid communication with infusion lines and a catheter connected to a patient blood vessel. A reversible...http://www.google.ca/patents/US7162290?utm_source=gb-gplus-sharePatent US7162290 - Method and apparatus for blood glucose testing from a reversible infusion line
