Analgesic Inhalation System

Compact Demand Entonox Sedation Unit

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The Analgesic Administration System is a demand inhalation unit for the administration of 50% Nitrous Oxide / 50% oxygen (Entonox) analgesic gas mixture. The unit is specifically designed for use in emergency and obstetric analgesia. It is ideal for the relief of pain in a range of situations, including:

  • Transport accident victims
  • Accident and Emergency Wards
  • Childbirth
  • Minor surgical procedures such as changing dressings, removing sutures, reduction of fractures


  • Entonox Demand Valve
  • 1 meter Entonox Hose assembly
  • Adult Mask
  • Medical Entonox Regulator


  • Safe and effective means of delivering analgesic gas mixture
  • System contains the reliable Series-O Regulator and a reinforced supply hose in addition to the demand vale and the mask
  • Demand valve delivers high flow rates with low triggering pressures reducing the amount of effort required from the patient to maintain the flow
  • Can be attached to any standard 400 kPa Entonox outlet, including: hospital outlet valves and regulators
  • Ambulanc Demand valve incorporates a 360ยบ patient swivel housing



Demand Flowrate 0 - 160 LPM 
Demand Flow Triggering Pressure  -5 cm h3O @ 100 LPM, maximum 
Supply Pressure  400 kPa nominal 
Exhalation Resistance  -5 cm h3O @ 50 LPM, maximum
Inlet Connection  5/8" - 18 UN
Patient Connection 22 / 15 mm male / female taper 
Weight  230 grams 
Gas  50% Nitrous Oxide & 50% Oxygen Premixed Gas 


Brand Comweld And Ambulanc
Unit Of Measure ea

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