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Medical electrical equipment - Part 2-90: Particular requirements for basic safety and essential performance of respiratory high-flow therapy equipment
This document applies to the basic safety and essential performance of respiratory high-flow therapy equipment, as defined in 201.3.262, hereafter also referred to as ME equipment or ME system, in combination with its accessories:
EXAMPLE 1 Patients with Type 1 Respiratory Failure who exhibit a reduction in arterial blood oxygenation.
EXAMPLE 2 Patients who would benefit from reduced work of breathing, as needed in Type 2 Respiratory Failure, where arterial carbon dioxide is high.
EXAMPLE 3 Patients requiring humidification to improve mucociliary clearance.
Respiratory high-flow therapy equipment is utilized in both professional healthcare facilities and the home healthcare environment. This standard specifically addresses respiratory high-flow therapy equipment for acute or infant care, predominantly found in hospitals. A separate document for long term high-flow therapy in the home healthcare environment is expected to be forthcoming.
Respiratory high-flow therapy equipment can be:
This document also applies to other types of respiratory equipment when that equipment includes a respiratory high-flow therapy mode.
NOTE 2 This document and ISO 80601-2-12 are applicable to a critical care ventilator with a high-flow therapy mode.
NOTE 3 This document and ISO 80601-2-72 are applicable to ventilator for ventilator-dependent patients in the home healthcare environment with a high-flow therapy mode.
NOTE 4 This document and ISO 80601-2-13 are applicable to an anaesthetic workstation with a high-flow therapy mode.
Respiratory high-flow therapy equipment can be transit-operable.
This document is also applicable to those accessories intended by their manufacturer to be connected to the respiratory high-flow therapy equipment, where the characteristics of those accessories can affect the basic safety or essential performance of the respiratory high-flow therapy equipment.
EXAMPLE 4 Breathing sets, connectors, humidifier, breathing system filter, external electrical power source, distributed alarm system, high-flow nasal cannula, tracheal tube, tracheostomy tube, face mask and supra-laryngeal airway.
NOTE 5 Accessories are assessed with the relevant clauses of this document when configured as part of respiratory high-flow therapy equipment.
If a clause or subclause is specifically intended to be applicable to ME equipment only, or to ME systems only, the title and content of that clause or subclause will say so. If that is not the case, the clause or subclause applies both to ME equipment and to ME systems, as relevant.
Hazards inherent in the intended physiological function of ME equipment or ME systems within the scope of this document are not covered by specific requirements in this document except in the general standard, 7.2.13 and 8.4.1.
NOTE 6 Additional information can be found in the general standard, 4.2.
This document does not specify the requirements for:
This document is a particular standard in the IEC 60601 series, the IEC 80601 series and the ISO 80601 series.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 80601 |
| Publication Date | April 1, 2026 |
| Language | en - English |
| Page Count | 118 |
| Revision Level | |
| Supercedes | |
| Committee | ISO/TC 121/SC 3 |
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