Fig. 5From: Carbon dioxide de-airing in minimal invasive cardiac surgery, a new effective deviceAir content measured every five seconds, when using the new CO2 insufflation device and intermittent rough suction rate of 15 L/min for two seconds from time zero. CO2 was insufflated at a flow rate of 2, 3, 4, 5, and 10 L/min, respectivelyBack to article page