International Standards and Conformity Assessment for all electrical, electronic and related technologies
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Examples by industry sector

Medical devices

 

Medical devices

Medical devices

The medical devices industry, with products ranging from implantable cardiac pacemakers to wheelchairs, and from diagnostic test systems to syringes and needles, is both rapidly evolving and highly regulated. International Standards play an important role in allowing the rapid introduction of new medical device technology while meeting the expectations of the public and regulators that medical devices are safe to use, perform as intended and offer benefits to patients that outweigh the risks.

 

Key features are:

  • The acceptance of standards as a key element in the regulatory framework for medical devices: while not mandatory, standards provide manufacturers with a presumption of conformance to specific regulatory requirements;
  • The participation of regulators alongside medical device manufacturers and professional users in the development of International Standards;
  • Close cooperation between IEC, ISO, WHO and international regulatory harmonization initiatives to develop practical, effective and compliant medical device standards.

 

Who is involved?

 

There are many stakeholders involved in the medical device sector including manufacturers, regulators, health care providers, clinicians and patients. Involving representatives from all stakeholder groups is essential to produce standards that promote safety and result in enhanced patient outcomes. IEC and ISO, along with other standards developers, provide a forum where the stakeholders can collaborate to develop International Standards that achieve these goals while supporting compliance with the various regulatory frameworks in place around the world.

International Medical Device Regulators Forum

The International Medical Device Regulators Forum (IMDRF) is an organization of national regulatory authorities dedicated to promoting international convergence of regulatory requirements and practices. In particular, the IMDRF aims to promote harmonized regulation of the safety, performance, effectiveness and quality of medical devices and to serve as an information exchange through which countries with medical device regulatory systems under development can benefit from the experience of countries with established systems.

 

The IMDRF was founded in 2011 as the successor to the Global Harmonization Task Force (GHTF), which was a voluntary group of medical device regulators from Europe, the U.S.A., Canada, Japan and Australia and their industry partners. The GHTF was instrumental in developing guidance documents and recommended procedures that helped to promote convergence of the medical device regulatory systems of its members.

National Health Authorities

Despite the initiatives of IMDRF to harmonize medical device regulations and converge on a common regulatory system, regulation of medical devices still takes place at the national level. Every country has designated one or more governmental bodies with the authority to oversee and regulate aspects of its health care system. Their regulatory activities related to medical devices may include regulation of the development, manufacture and distribution of the medical devices, approval prior to commercial distribution, and postmarket surveillance of the safety and performance of the medical devices.

 

Many national regulatory authorities actively participate in the development of IEC and ISO International Standards by contributing experts appointed through their national member body. These experts directly represent the viewpoints of their national or regional regulatory authorities and ensure the Standards will meet the needs of countries across diverse geographies, cultures and economies.

World Health Organization

The World Health Organization (WHO) is the directing and coordinating authority for health within the United Nations system. WHO is charged with providing leadership on global health matters, shaping the health research agenda, setting norms and standards, articulating evidence-based policy options, providing technical support to countries and monitoring and assessing health trends.  WHO experts actively participate in the work of IEC TCs and 45 ISO Technical Committees as a Category A liaison, including the ISO committees listed below. 

IEC and ISO Committees

Many IEC and ISO committees develop International Standards that play an important role in the regulation of medical devices. These include:

 

Committee
Title
IEC TC 29

Electroacoustics

IEC TC 62

Electrical equipment in medical practice

IEC TC 66

Safety of measuring, control and laboratory equipment

IEC TC 76

Optical radiation safety and laser equipment

IEC TC 87

Ultrasonics

ISO/TC 76

Transfusion, infusion and injection, and blood processing equipment for medical and pharmaceutical use

ISO/TC 121

Anaesthetic and respiratory equipment

ISO/TC 150

Implants for surgery

ISO/TC 168

Prosthetics and orthotics

ISO/TC 170

Surgical instruments

ISO/TC 172/SC 5

Microscopes and endoscopes

ISO/TC 172/SC 7

Ophthalmic optics and instruments

ISO/TC 194

Biological evaluation of medical devices

ISO/TC 198

Sterilization of health care products

ISO/TC 210

Quality management and corresponding general aspects for medical devices

ISO/TC 212

Clinical laboratory testing and in vitro diagnostic test systems

 

Many of these Standards are used within the IEC’s System for Conformity Assessment, IECEE – CB Scheme for the issuing of International IECEE-CB Test Certificates which are used in both occasions:

 

a) For direct acceptance, in some countries

b) For the acceptance of tests and assessment performed in one country being accepted by the authorities in another

 

In both cases, providing the regulator and manufacturer with the very benefits of using both International Standards and an International Conformity Assessment System.

 

How is regulatory cooperation in this field achieved?

 

In line with the World Trade Organization's Technical Barriers to Trade Agreement, some national and regional medical device regulators have adopted systems that utilize standards to support their regulation. In these systems, standards are usually not mandatory but provide a presumption of conformance with specific regulatory requirements. A key to the success of this approach is the participation of regulators alongside medical device manufacturers and users in the development of International Standards and close cooperation between ISO/IEC and other bodies in the development of medical device standards.

 

As a result, many IEC and ISO Standards are now globally recognized by medical device regulators. For example:

  • IEC 60601 series is widely recognized as the fundamental safety standards for medical electrical equipment.
  • IEC 62366 has established a broadly recognized process model for achieving and validating optimal usability of devices.
  • ISO 13485 is widely accepted for establishing conformity with quality system requirements to demonstrate the consistent delivery of the medical device that has been approved by the regulatory authority.
  • ISO 10993 series are the global standards for demonstrating the biological safety and compatibility of materials used in medical devices with human tissue.
  • The sterilization standards developed by ISO/TC 198 are utilized globally for ensuring the sterility of health care products.
  • ISO 14971, which was jointly produced by ISO TC 210 and IEC SC 62A, has become the benchmark for a medical device risk management process.

Although the medical device industry is highly regulated, global manufacturers clearly benefit from the reduction in trade barriers when countries agree on common approaches to meeting the regulatory requirements.