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Advanced bi-level BiPAP system with S/T mode and volume-assured pressure support
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BiPAP System (S/T & AVAPS)

Advanced bi-level system with timed backup rate and volume-assured pressure support, for chronic respiratory failure and neuromuscular weakness.

  • technician installed
  • sanitised

On rent

Not on the rental fleet

This item is supplied for purchase. If you need something similar on rent, call us — we will tell you what the rental fleet can do instead.

To buy

Available

Outright purchase including delivery, installation and a one-year warranty on manufacturing defects.

Get the best quote for this equipment

We price against what you actually need — how long, which configuration, whether nursing goes with it — rather than publishing a number that fits nobody. Ask and we will give you a straight one, GST stated separately.

Quotes state GST separately at the applicable rate. Rental and purchase are taxed differently.

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Tell us how long you need it and what the patient is dealing with. You get a straight quote — and if a cheaper item does the same job, we will say so.

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About this equipment

Standard BiPAP waits for the patient to start each breath. An S/T machine adds a timed backup rate, so if the patient does not trigger a breath within a set interval, the machine delivers one anyway — which matters in neuromuscular disease, in central apnoea, and in anyone whose respiratory drive is unreliable. AVAPS goes further and adjusts pressure automatically to hold a target tidal volume, so ventilation stays constant as the patient's mechanics change through the night. This is home ventilation rather than sleep therapy, and it is prescribed accordingly.

Indications — when this is used

  • Chronic respiratory failure requiring home ventilation
  • Neuromuscular disease with weak respiratory muscles
  • Central sleep apnoea and unreliable respiratory drive
  • Obesity hypoventilation needing assured tidal volume

Who it is for

  • Patients prescribed home non-invasive ventilation
  • Home ICU setups with nursing cover
  • Respiratory units and step-down care

Brands available

Which brand you receive depends on current stock. Tell us if you need a specific one and we will confirm before dispatch.

  • Philips Respironics
  • ResMed
  • Löwenstein

Specifications

Pressure range4–30 cm H₂O
ModesS, S/T, T, PC and AVAPS depending on model
Backup rateAdjustable timed breaths per minute
AVAPSAutomatic pressure adjustment to a target tidal volume
AlarmsDisconnect, low tidal volume, apnoea, power failure
HumidifierHeated, integrated
DataDetailed ventilation logging for the treating clinician

Dimensions & space required

Length165 mm
Width285 mm
Height95 mm
WeightApproximately 2 kg with humidifier

Also know about

The things that are easy to find out too late.

  • Sale only

    The rental fleet carries standard BiPAP. This is a prescribed home ventilator and is supplied for purchase against a specialist's settings.

  • This is ventilation, not sleep therapy

    Settings come from a respiratory specialist and normally follow a titration study. Trained cover should be available, particularly overnight.

  • Alarms need setting and attending

    Disconnect and low-tidal-volume alarms are the safety net for a patient who cannot breathe adequately unaided. Muting them removes the point of the machine.

  • Power backup is not optional

    For a patient dependent on ventilatory support, an inverter sized for overnight running is part of the setup, not an accessory.

Safety & clinical information

Device information, not medical advice. Suitability for a particular patient is a decision for the treating clinician.

How it is installed and used

The mask is fitted to the patient's face in person — nasal, nasal-pillow and full-face styles are tried rather than a medium being assumed, because mask leak is the single most common reason home therapy is abandoned. Pressures, mode and ramp are set to the clinician's prescription, the humidifier is filled with distilled water, and the settings are confirmed before the technician leaves.

Before delivery

A sleep study or blood gas assessment and clinician-set pressures are required before delivery. Machines are not supplied on guessed settings. Confirm mains supply and, for dependent patients, that an inverter can carry the unit overnight.

Ongoing care and servicing

Mask cushions are replaced roughly every three months and filters monthly. Compliance data is available on the device for the treating clinician. We re-fit the mask free within the first two weeks, which is when most fit problems surface.

When not to use it

Untreated pneumothorax
Positive airway pressure can enlarge a pneumothorax. Non-invasive ventilation is contraindicated until it is treated.
Impaired consciousness or inability to protect the airway
A patient who cannot remove the mask or clear secretions is at risk of aspiration; these patients need supervised or invasive ventilation instead.
Recent facial, upper airway or oesophageal surgery
Mask pressure and insufflation can disrupt healing at the surgical site.
Active vomiting or significant haemoptysis
Positive pressure with a sealed mask substantially raises aspiration risk.
Use without working disconnect and low-volume alarms
For a patient dependent on ventilatory support, the alarms are the safety net. A muted or failed alarm removes the machine's protective function.

Possible side effects

Mask leak and pressure sores on the nasal bridge
The commonest problem in home therapy. Usually a sizing or style mismatch rather than user error — which is why we re-fit rather than tell people to tighten the straps.
Aerophagia and abdominal distension
Swallowed air causes bloating and discomfort, often improved by adjusting the expiratory pressure.
Dryness, congestion and eye irritation
From leak past the mask seal and inadequate humidification. Use distilled water and check the seal.

Serious risks

Life-threatening, permanently damaging, or requiring hospitalisation.

Aspiration of gastric contents
In a drowsy or vomiting patient a sealed mask can drive gastric contents into the lungs.
Tension pneumothorax
Positive pressure applied over an undiagnosed pneumothorax can become rapidly life-threatening.
Undetected circuit disconnection overnight
A disconnected circuit on a ventilator-dependent patient causes hypoventilation and can progress to respiratory arrest if the alarm is muted or unheard.

Regulatory status

Classified Class C (moderate–high risk) under India's Medical Devices Rules, 2017. CDSCO does not license rental or resale providers and Encone Care claims no CDSCO approval.

Relevant specialties

  • Pulmonary medicine
  • Respiratory therapy
  • Neurology

Frequently asked questions

What does S/T mode mean on a BiPAP machine?
Spontaneous/Timed. The machine supports breaths the patient starts, and delivers a timed breath if they do not start one within a set interval. It is used where respiratory drive is unreliable — neuromuscular disease, central apnoea.
What is AVAPS?
Average Volume-Assured Pressure Support. The machine adjusts pressure automatically to keep tidal volume at a target, so ventilation stays constant as the patient's lung mechanics change through the night.
Can this be used at home?
Yes — it is designed for home ventilation. It requires specialist-set parameters, working alarms, power backup, and normally trained cover overnight.

Where we supply this

  • DelhiFor saleInstalled in under 4 hrs
  • New DelhiFor saleInstalled in under 4 hrs

Outside Delhi? We are expanding across the NCR and Uttar Pradesh — call us and we will tell you honestly whether we can reach you.

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