PDF Standards CSA C22.2 NO. 80601-2-74:23
PDF Standards CSA C22.2 NO. 80601-2-74:23
This is the second edition of CSA C22.2 No. 80601-2-74, Medical electrical equipment — Part 2-74: Particular requirements for basic safety and essential performance of respiratory humidifying equipment, which is an adoption, with Canadian deviations, of the identically titled ISO (International Organization for Standardization) Standard 80601-2-74 (second edition, 2021-07). It supersedes the previous edition, published in 2019 as CSA C22.2 No. 80601-2-74 (adopted ISO 80601-2-74:2017). It is one in a series of Standards issued by CSA Group under Part II of the Canadian Electrical Code. For brevity, this Standard will be referred to as “CSA C22.2 No. 80601-2-74” throughout. This Standard is intended to be used in conjunction with CAN/CSA-C22.2 No. 60601-1:14, Medical electrical equipment — Part 1: General requirements for basic safety and essential performance (adopted IEC 60601-1:2005, edition 3.2, with Canadian deviations). This Standard is considered suitable for use for conformity assessment within the stated scope of the Standard. This Standard was reviewed for Canadian adoption by the CSA Technical Committee on Consumer and Commercial Products, under the jurisdiction of the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the Technical Committee. Due to the medical content of this Standard, it was also approved by the CSA Technical Committee on Application of Electricity in Health Care, under the jurisdiction of the CSA Strategic Steering Committee on Health and Well-being. This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
Scope and object Clause 1 of IEC 60601-1:2005+AMD1:2012+AMD2:2020 applies, except as follows.
NOTE The general standard is IEC 60601-1:2005+AMD1:2012+AMD2:2020. 201.1.1 * Scope Replacement: This document applies to the basic safety and essential performance of a humidifier, also hereafter referred to as ME equipment, in combination with its accessories, the combination also hereafter referred to as ME system. This document is also applicable to those accessories intended by their manufacturer to be connected to a humidifier where the characteristics of those accessories can affect the basic safety or essential performance of the humidifier.
EXAMPLE 1 Heated breathing tubes (heated-wire breathing tubes) or ME equipment intended to control these heated breathing tubes (heated breathing tube controllers).
NOTE 1 Heated breathing tubes and their controllers are ME equipment and are subject to the requirements of IEC 60601-1.
NOTE 2 ISO 5367 specifies other safety and performance requirements for breathing tubes. This document includes requirements for the different medical uses of humidification, such as invasive ventilation, non-invasive ventilation, nasal high-flow therapy, and obstructive sleep apnoea therapy, as well as humidification therapy for tracheostomy patients.
NOTE 3 A humidifier can be integrated into other equipment. When this is the case, the requirements of the other equipment also apply to the humidifier.
EXAMPLE 2 Heated humidifier incorporated into a critical care ventilator where ISO 80601-2-12 also applies.
EXAMPLE 3 Heated humidifier incorporated into a homecare ventilator for dependent patients where ISO 80601-2-72 also applies.
EXAMPLE 4 Heated humidifier incorporated into sleep apnoea therapy equipment where ISO 80601-2-70 also applies.
EXAMPLE 5 Heated humidifier incorporated into ventilatory support equipment where either ISO 80601-2-79 or ISO 80601-2-80 also apply.
EXAMPLE 6 Heated humidifier incorporated into respiratory high-flow therapy equipment where ISO 80601-2-90 also applies. This document also includes requirements for an active HME (heat and moisture exchanger), ME equipment which actively adds heat and moisture to increase the humidity level of the gas delivered from the HME to the patient. This document is not applicable to a passive HME, which returns a portion of the expired moisture and heat of the patient to the respiratory tract during inspiration without adding heat or moisture.
NOTE 4 ISO 9360-1 and ISO 9360-2 specify safety and performance requirements for a passive HME.
NOTE 5 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 IEC 60601-1:2005 +AMD1:2012+AMD2:2020, 7.2.13 and 8.4.1.
NOTE 6 Additional information can be found in IEC 60601-1:2005+AMD1:2012 +AMD2:2020, 4.2. This document does not specify the requirements for cold pass-over or cold bubble-through humidification devices, the requirements for which are given in ISO 20789. This document is not applicable to equipment commonly referred to as “room humidifiers” or humidifiers used in heating, ventilation and air conditioning systems, or humidifiers incorporated into infant incubators. This document is not applicable to nebulizers used for the delivery of a drug to patients.
NOTE 7 ISO 27427 specifies the safety and performance requirements for nebulizers. 201.1.2
Object Replacement: The object of this document is to establish particular basic safety and essential performance requirements for a humidifier, as defined in 201.3.214, and its accessories. Accessories are included because the combination of the humidifier and the accessories needs to be adequately safe. Accessories can have a significant impact on the basic safety or essential performance of a humidifier.
NOTE 1 This document has been prepared to address the relevant essential principles and labelling guidances of the International Medical Devices Regulators Forum (IMDRF) as indicated in Annex HH.
NOTE 2 This document has been prepared to address the relevant essential principles of safety and performance of ISO 16142-1:2016 as indicated in Annex II.
NOTE 3 This document has been prepared to address the relevant general safety and performance requirements of European regulation (EU) 2017/745 as indicated in Annex JJ.
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