Respiratory Care8 November 2026

Ventilator vs BiPAP – Understanding the Difference

Understand the difference between ventilators and BiPAP machines, including their functions, support capabilities and important device selection factors.

Philips Trilogy EV300 ventilator — ventilators and BiPAP machines at SAIMAA Medical Devices, Delhi NCR

Ventilators and BiPAP machines are respiratory support devices, but they are not interchangeable.

Their functions, operating modes and clinical applications can differ considerably.

1. What is a BiPAP machine?

A BiPAP machine provides two pressure levels:

  • Higher inspiratory pressure.
  • Lower expiratory pressure.

It is a form of non-invasive respiratory support delivered through a suitable interface, commonly a mask.

2. What is a ventilator?

A ventilator is a medical device designed to assist or control breathing.

Depending on the model, it may provide different ventilation modes and support configurations. Some ventilators are designed for non-invasive ventilation, while others can support invasive ventilation through an appropriate airway interface.

3. Key differences

FeatureBiPAPVentilator
Primary functionBilevel pressure supportAssists or controls breathing
InterfaceCommonly a maskMask or invasive airway, depending on model
ModesBilevel modesMultiple ventilation modes, model dependent
ApplicationsSelected respiratory support requirementsBroader range of respiratory support requirements
OperationDepends on prescribed therapyDepends on clinical requirements and model

4. What should hospitals and healthcare providers consider?

When comparing respiratory support equipment, assess:

  • Required ventilation modes.
  • Patient population.
  • Invasive or non-invasive support requirements.
  • Monitoring features.
  • Alarm systems.
  • Battery backup.
  • Circuit and accessory compatibility.
  • Service and technical support.

Equipment selection and settings must be determined by qualified clinical professionals.

5. Ventilators at SAIMAA Medical Devices

SAIMAA's catalogue includes selected respiratory support devices such as:

  • ResMed Stellar 150.
  • ResMed Astral 150.
  • Philips Trilogy Evo.
  • Philips Trilogy EV300.

Contact SAIMAA for model-specific specifications, availability, pricing and rental information.

This article is for general information only. Clinical equipment selection, oxygen flow rates and therapy settings must be determined by a qualified healthcare professional, and devices must be used according to the manufacturer's instructions.

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