A system and a method for evaluation of gastrointestinal function is presented. The system consists of a catheter, a recorder and software. The catheter includes one or more CdTe sensors for measuring isotope activity. The catheter CdTe sensors are placed in the gastrointestinal tract to measure gastric...http://www.google.com.au/patents/US5657759?utm_source=gb-gplus-sharePatent US5657759 - Measurement of gastric emptying and gastrointestinal output
