Updated on March 9, 2024


Created on August 31, 2021

Mirola Rescue FIDO

Upcoming Update

FIDO is a portable oxygen system designed to help patients breath outside of clinical settings. Courtesy of WHO Compendium 2021

Developed By
  1. Mirola Rescue
Tested By
  • Research Institutes of Sweden
Content Partners


Product Description

FIDO by Mirola is a portable, mechanical rebreathing system that enables a patient to increase their oxygen intake without requiring medical expertise. A canister of oxygen is connected to an intake filter and face mask.

This product was selected for inclusion in WHO’s 2021 Compendium of Innovative Health Technologies for Low‐Resource Settings.

Target SDGs

SDG 3: Good Health and Well-Being

Market Suggested Retail Price


Target Users (Target Impact Group)

Small and Medium-sized Enterprises, Public Sector Agencies

Distributors / Implementing Organizations

In September 2020, the Swedish Rescue Service ordered the first batch of FIDO products, which they plan to incorporate into their rescue vehicles.

Competitive Landscape

Direct competitors include Solar-Powered Oxygen Delivery (SPO2) and O2 Cube.

Manufacturing/Building Method

This product is manufactured in the Stockholm region and Gnosjö in Sweden.

Intellectural Property Type


User Provision Model

This product is purchased by health systems to distribute for patient use when necessary.

Distributions to Date Status



Oxygen tank

Power supply type


Indispensable equipment for function

Yes, a face mask

Maintenance or calibration required by user at time of use? (Y/N)


Display Type


Gas Flow Range (L/min)

2-16 L/min

Pressure Range (cm H2O)

4079-5098 cm H2O (4-5 bar)

Patient population (specify)


Design Specifications

A patient wears FIDO over their mouth and nose. When they exhale, air is filtered through a limestone cartridge, which collects most of the CO2. An attached balloon collects and recirculates the exhaled air, mixing it with oxygen from the attached canister. When the patient inhales, the air is once again passed through the limestone cartridge.

Product Schematics

Technical Support

Support is provided by the manufacturers.

Replacement Components

Replacement components are available from the manufacturer.


15-20 year estimated lifetime

Manufacturer Specified Performance Parameters

This device is designed to increase the concentration of oxygen inhaled by a patient.

Vetted Performance Status

This product was vetted and inspected for quality assurance required for mobile oxygen devices by the Research Institutes of Sweden (RISE).


The device includes a safety valve that opens to allow the patient to keep breathing surrounding air if the oxygen supply starts to fail.

Complementary Technical Systems


Academic Research and References

Compliance with regulations

In March 2020, this product earned the EC Certificate by the Research Institutes of Sweden.

Evaluation methods

Laboratory testing and certification for mobile oxygen devices.

Other Information


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