The hospital reported vasoview hemopro 2 co2 ports (valve) on the btt and the harvesting cannula have not been working and filling tunnel with co2.They state that they are checking to make sure that the co2 line from the insufflator to the co2 ports on the btt and harvesting cannula on the vh-4000 device are connected properly.Once co2 line is connected, no co2 flows into the tunnel and insuflator reads ¿occlusion¿.The solution has been to open a separate accessory tray, swap out the btt and proceed with case using only distal insuflation.Using a separate btt from accessory tray solves the issue.
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