Gases for Pneumoperitoneum
CO2
N2
O2
Room air
CO2 is commonly used to create pneumoperitoneum as it is readily available, is cheaper, suppresses the combustion, is easily absorbed by tissues, has a high diffusion coefficient and is quickly released respiration. Other gases used are: Air, nitrous oxide, helium, argon. Reference : page 1183 SRB's manual of surgery 5th edition
Urology