---
title: Guardian Angel ST40P | ResMed - PH
description: The Guardian Angel ST40P designed to be strong, silent, precise and adaptable. A powerful device with the ability to achieve an oxygen saturation SpO2 of 100%. It takes the hard work out of breathing, for those who need it most.
---

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# Guardian Angel ST40P by ![Curative_product_by_ResMed](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Curative_product_by_ResMed.png)

- Quiet
- Precise
- Adaptive Triggering Technology
- Target Tidal Volume mode

The Guardian Angel ST40P designed to be strong, silent, precise and adaptable. A powerful device with the ability to achieve an oxygen saturation SpO2 of 100%. It takes the hard work out of breathing, for those who need it most.

[ Where to buy ](https://www.resmed.ph/en/products/devices/guardian-angel-st40p)

Where to buy

x

## Where to buy?

Choose between our physical dealers or online stores.

#### AirFit P10

#### AirFit P10 for Her

#### AirFit P10 for AirMini

#### AirFit P10

![AirFit_P10_Front](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Home/AirFit_P10_Front.jpg)

#### AirFit P10 for Her

![AirFit_P10_Hero_Front_ForHer](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Home/AirFit_P10_Hero_Front_ForHer.jpg)

#### AirFit P10 for AirMini

![healthcare-professionals-airfit-p10-for-airmini-airfit-p10-for-airmini-front-view](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Home/healthcare-professionals-airfit-p10-for-airmini-airfit-p10-for-airmini-front-view.jpg)

[ User guide ](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/PDF/ResMed%20GA%20Brochure.pdf)

## Product highlights

- Simplicity with single leak circuit
- Equipped with high-performance turbines, adaptive triggering technology (ATT), and target volume ventilation (TVV) mode, it automatically adapts to changes at different stages of a patient’s condition.
- Air oxygen blender and high/low pressure oxygen mode
- Comprehensive monitoring parameters with pressure, flow and volume waveforms displayed
- 9 modes of non-invasive ventilation
- Built-in lithium battery with 4-6 hours standby for easy mobility

#### Isens

![Isens](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Isens.jpg)

**Adjustable trigger sensitivity of patient's inspiratory demand** ensures synchronicity even under extreme situations like high respiratory rate or massive air leakage

#### Islope

![Islope](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Islope.jpg)

**Adjustable rise time** with the patient inspiratory cycles

#### Esens

![Esens_g](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Esens_g.png)

**Sensitive** to the patient expiratory cycles

![icon-eyebrow-information-black](https://www.resmed.ph/hubfs/icon-eyebrow-information-black.svg)

## Understanding the Guardian Angel ST40P therapy modes

- CPAP
- Spontaneous
- Time
- Spontaneous time
- Assisted Pressure Control
- Target Tidal Volume
- Control Proportional Assist Ventilation

![sleep-apnea-global-cpap-consistent-pressure-icon-1](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/sleep-apnea-global-cpap-consistent-pressure-icon-1.svg)

### CPAP is a fixed-pressure mode

which means it delivers a consistent airflow pressure that is set by your doctor.

![sleep-apnea-global-apap-auto-adjusting-pressure-icon-1](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/sleep-apnea-global-apap-auto-adjusting-pressure-icon-1.svg)

### Spontaneous mode

delivers spontaneous therapy when the patient is able to breathe spontaneously.

![Timed_pressure](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Timed_pressure.png)

### Timed mode

deliver timed therapy when the patient is unable to breathe spontaneously or the breathing rate is less than the preset rate (BPM).

![Spontaneous-timed-mode](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Spontaneous-timed-mode.png)

### Spontaneous timed mode

delivers a combination of spontaneous and timed therapy.

![Assisted_spotaneous_timed_pressure](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Assisted_spotaneous_timed_pressure.png)

### Assisted pressure control mode

is similar to the Spontaneous Timed mode, except that all breaths in a controlled frequency (BPM) as set by your doctor.

![Target-Tidal-Volume-mode](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Target-Tidal-Volume-mode.png)

### Target Tidal Volume mode

is a auto-adjusting mode with present tidal volume that will increase the inspiratory pressure when tidal volume are not met. Target Tidal Volume (TVV) mode is also available in 3 settings: TVV-T, TVV-ST, TVV-APCV

![Icon-Target-Tidal-Volume-mode](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Icon-Target-Tidal-Volume-mode.png)

### Control Proportional Assist Ventilation mode

is an adjustable mode that deliver pressure proportional to patient's respiratory effort.

![shop](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/PDF/shop.png)

## Most popular Guardian Angel accessories

![GA-Trolley](https://www.resmed.ph/hubfs/GA-Trolley.png)

#### GA Trolley

![CL00049500-Internal Battery 2](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/CL00049500-Internal%20Battery%202.jpg)

#### Internal Battery

![CL000490-0300 Low flow oxygen connector](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/CL000490-0300%20Low%20flow%20oxygen%20connector.jpg)

#### Low Flow O2 Connector

![Filter 2](https://www.resmed.ph/hubfs/Filter%202.jpg)

#### Filter

![WB002020 T- Branch Straight connector 2](https://www.resmed.ph/hubfs/WB002020%20T-%20Branch%20Straight%20connector%202.jpg)

#### Straight Connector

![WB002022 Clip](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/WB002022%20Clip.jpg)

#### Clip

![Sampling_Tubing (PVC)](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Sleepcare/Sampling_Tubing%20(PVC).jpg)

#### Sampling Tube (PVC)

![icon-eyebrow-compass-black](https://www.resmed.ph/hubfs/Himalayas%20-%20B2C/SG/Respiratory/icon-eyebrow-compass-black.svg)

## Keep exploring

#### Product list

Browse our full selection of masks, devices and accessories.

[ Explore ](https://www.resmed.ph/en/product-list)

#### Traveling with a ventilator

Know how to plan ahead when traveling with your ventilator with these helpful checklists

[ Explore ](https://www.resmed.ph/en/respiratory/product-support/traveling-with-a-ventilator)

#### Need help?

Having any difficulties? Talk to us so we can make your CPAP journey even better.

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