Disposable Adult Circuit Dual Limb

Adult ventilator circuits have features that include tubing, valves, and safety devices. 

Tubing

• Inner diameter: Typically 22 mm, but adjustable for pediatric use 
• Corrugated tubing: Used in some circuits, such as the Bain circuit 

Valves 

• Expiratory valve: Used in some circuits, such as the Bain circuit

Safety devices

• Water traps: Reduce the risk of infection and complications 
• Pressure-relief valve: Releases gas into the atmosphere when a certain pressure is reached 
• Anti-asphyxia valve: A basic safety feature 

Other features 

• Low resistance: Allows for accurate pressure delivery and reduces discomfort
• Noise-free operation: Reduces patient irritation
• Compatibility: Designed to fit most ventilators and anesthesia machines
• Durability: Made with high-quality materials to reduce the need for frequent replacements

Connected devices heaters and humidifiers, filters, suction catheters, and therapeutic aerosol generators (nebulizers and inhalers). 

The ventilator circuit is the tubing that connects the ventilator to the patient.