Insufflation gas is introduced into a body cavity to be inflated. The gas flow is stopped, and the pressure in the body cavity is measured at plural, discrete intervals of time. Pressure reading values are stored in memory for a predetermined number n of the most recent pressure reading values. These...http://www.google.com.au/patents/US5439441?utm_source=gb-gplus-sharePatent US5439441 - Surgical insufflation system with improved determination of body cavity pressure
