ISO 8823

ISO 8823
Title	ISO 8823
Status	Published
First published	1989
Revision	1992
Publisher	International Organization for Standardization
Subject	Medical devices — Laryngeal mask airway connectors

ISO 8823 is an international standard that specifies dimensions and performance requirements for connectors used in medical airway devices. It provides precise geometric, material, and mechanical criteria to ensure compatibility among equipment produced by different manufacturers and used in diverse clinical settings. The standard was developed within committees coordinated by the International Organization for Standardization and has influenced device design, procurement, and regulatory approval across multiple jurisdictions.

Overview

ISO 8823 was prepared by technical committees drawing membership from organizations such as the International Organization for Standardization, the European Committee for Standardization, the British Standards Institution, and national bodies including the American National Standards Institute and Standards Australia. Key stakeholder institutions that contributed expertise include World Health Organization, United States Food and Drug Administration, European Medicines Agency, Royal College of Anaesthetists, and Association of Anaesthetists of Great Britain and Ireland. The standard addresses interfaces used in airway management devices employed in operating theatres, intensive care units, emergency departments, and ambulance services, where interoperability among equipment from manufacturers such as Teleflex, Medtronic, Smiths Medical, Ambu A/S, and Drägerwerk is critical. Similar standards and regulatory frameworks from International Electrotechnical Commission, International Labour Organization, and regional agencies informed the drafting process.

Scope and Objectives

The objective of ISO 8823 is to define dimensional specifications and performance characteristics for airway connectors and adapter components to reduce the risk of misconnection during anaesthesia, resuscitation, and ventilation. It aims to align with safety priorities expressed by institutions like Institute of Medicine, National Health Service (England), Centers for Disease Control and Prevention, European Commission, and Australian Commission on Safety and Quality in Health Care. Scope includes connector geometry tolerances, material selection considerations related to biocompatibility overseen by agencies such as European Chemicals Agency, and mechanical strength thresholds referenced by testing bodies like Underwriters Laboratories and German Institute for Standardization. It excludes breathing circuit components not intended as patient connectors and devices governed by separate standards promulgated by American Society for Testing and Materials and Society of Motion Picture and Television Engineers.

Technical Content and Structure

ISO 8823 is organized into normative clauses that specify dimensions, tolerances, performance tests, marking requirements, and information for use. The technical content prescribes connector diameters, taper angles, engagement lengths, and retention forces, cross-referencing measurement methods used by laboratories accredited by bodies such as International Laboratory Accreditation Cooperation, National Institute of Standards and Technology, and British Standards Institution. Materials guidance references biocompatibility standards promulgated by International Organization for Standardization Technical Committee 194, and mechanical fatigue tests reflect methodologies from American Society for Testing and Materials Committee F04. The structure includes annexes that detail test fixtures, dimensional drawings, and sample labelling consistent with procurement practices of large purchasers such as National Health Service (England), Veterans Health Administration, and international aid organizations like Médecins Sans Frontières. Symbols and marking conventions align with graphical standards from International Organization for Standardization Committee on Graphical Symbols used by manufacturers including GE Healthcare and Siemens Healthineers.

Implementation and Compliance

Manufacturers implement ISO 8823 during design, quality control, and verification phases to achieve cross-brand compatibility. Compliance is assessed through type testing and routine production checks in certified facilities accredited by International Organization for Standardization/International Electrotechnical Commission Joint Technical Committee. Regulatory submissions to authorities such as United States Food and Drug Administration, European Medicines Agency, and Health Canada often cite conformity with ISO 8823 as evidence of device safety. Procurement specifications used by hospitals like Mayo Clinic, Cleveland Clinic, and large healthcare networks reference the standard to reduce supply-chain risk. Noncompliance incidents have been examined by patient safety organizations including The Joint Commission and national coroners' offices, prompting advisories from professional bodies such as American Society of Anesthesiologists.

History and Revisions

The initial edition was published in 1989 and was revised in the early 1990s following reviews informed by clinical incident reports and international stakeholder feedback from organizations like World Health Organization and International Federation of Red Cross and Red Crescent Societies. Later maintenance cycles considered advances in polymer science from researchers associated with Max Planck Society and Chinese Academy of Sciences, and harmonization efforts with regional standards by CEN and ASTM International. Revision work involved expert panels with representatives from academic institutions including Johns Hopkins University, University of Oxford, and Karolinska Institutet. Amendments have addressed connector misconnection mitigation similar to initiatives driven by Institute for Healthcare Improvement and Safer Healthcare Now!.

Related Standards and Interoperability

ISO 8823 interoperates with other standards governing respiratory interfaces and medical device safety, including standards from ISO Technical Committee 215, ISO/IEC, ASTM International, and EN standards affecting anaesthesia and respiratory care. It complements device labelling and usability standards referenced by International Organization for Standardization 13485 and safety management standards considered by World Health Organization Patient Safety programs. Interoperability considerations also engage device registries and procurement frameworks used by United Nations agencies and non-governmental organizations such as World Vision and International Committee of the Red Cross to ensure field-deployable compatibility.

Category:Medical device standards