Reed's medical editors saw that hospitals' largest legal liability was the result of nurses giving the wrong drugs to patients, so they created Virtual Clinical Excursions, an interactive CD dubbed "Nursetendo" in which nurses administer drugs virtually toa kidney patient who eventually goes into shock and dies.
But the Prometheus patent is different, the appeals court said, because in the former case the doctor is passively calculating results while under the Prometheus process the doctor has toadministera drug then adjust the dose based on how the patient responds.