Draw over anaesthesia is simple. The equipment is robust, versatile, easily maintained,relatively inexpensive, portable and does not need a pressurized gas supply, regulators or flowmeters. In many pa...Draw over anaesthesia is simple. The equipment is robust, versatile, easily maintained,relatively inexpensive, portable and does not need a pressurized gas supply, regulators or flowmeters. In many parts of the world a regular supply of compressed gas is not available. The draw over vaporizers are less complex and have basic temperature compensation.
