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VENTYO® makes it easier to provide expectant mothers with effective pain relief during childbirth. The simple-to-use, compact, and all-in-one device offers straightforward mixing and delivery of pharmaceutical nitrous oxide and pharmaceutical oxygen for analgesic purposes.Features include direct setting of the nitrous oxide/oxygen concentration ratio, integrated demand valve system, built-in scavenging and scavenger flow indicator, automatic safety shut-off mechanism, and nitrous oxide and oxygen supply indicators. An important safety point, there is always a minimum of 30% oxygen.