EMC Testing on Medical Devices

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Evaluating your product and passing certification can be easy.


We prefer to start with developing what the (FDA recommends) is a clear electromagnetic immunity pass/fail criteria for their products and a clear statement of its Essential Performance. From there, we can work backwords to develop a test plan, start pre-compliance testing and redesign in preperation for accreditation.

Electromagnetic compatibility, means a medical device is compatible with (no interference is caused by) its environment and it does not emit levels of energy that cause interference in other devices in the vicinity. A medical device can be vulnerable to electromagnetic interference if the levels of energy in its environment exceed the limits to which the device was designed and tested. Common precompliance test are conducted, radiated, and electrostatic discharge. Problems with medical devices can be very complex, not only from the technical standpoint but also from the view of public health issues and solutions.

Key Elements of Medical Device EMC Testing

IEC 60601-1-2 EMC testing consists of several key elements, including:

  • Emissions Testing: This involves measuring the electromagnetic emissions from the device, including radiated and conducted emissions. It helps ensure that the device does not emit excessive electromagnetic energy that could interfere with other devices.
  • Immunity Testing: Immunity testing evaluates the device's ability to withstand and operate correctly in the presence of electromagnetic disturbances. It includes testing for phenomena such as electrostatic discharge (ESD), electrical fast transients (EFT), radiated and conducted RF disturbances, and more.
  • Risk Management: EMC testing should be accompanied by a comprehensive risk management process. This involves identifying potential hazards associated with electromagnetic interference and implementing appropriate measures to mitigate those risks.


IEC 60601-1-2 EMC Testing for Medical Devices

IEC 60601-1-2 is an international standard published by the International Electrotechnical Commission (IEC) that focuses on the electromagnetic compatibility of medical electrical equipment. It sets requirements and guidelines for ensuring that medical devices can operate safely and effectively in their intended electromagnetic environment without causing interference to other devices or being affected by external electromagnetic fields.

Medical Device EMC Testing Importance

EMC testing plays a crucial role in the development and certification of medical devices. By conducting EMC testing, manufacturers can:

  1. Ensure Patient Safety: EMC testing helps identify potential risks and hazards associated with electromagnetic interference that can impact the safety and performance of medical devices. It ensures that devices operate reliably in real-world scenarios, minimizing the potential for malfunctions or patient harm.
  2. Comply with Regulatory Standards: Regulatory bodies around the world often require medical devices to meet specific EMC standards, including IEC 60601-1-2. By performing EMC testing, manufacturers can demonstrate compliance with these standards, facilitating the approval and market access of their products.
  3. Prevent Interference: Medical devices are often used in environments with various electromagnetic sources. EMC testing helps identify vulnerabilities and design flaws that may lead to electromagnetic interference, ensuring that devices can operate as intended without affecting the performance of other critical equipment.

Common Medical Devices Susceptible to EMI

  • Pace Makers
  • Invitro diagnostic (IVD) makers
  • Ancillary equipment in an MRI room
  • Home use medical devices

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Normative Standards

IEC 60601-1-2 is a product certification standard. Which references international test standards and specifies the levels your medical device is required to perform at in order for succesful EMC testing.

Also See - Bulk Current Injection (BCI) Testing

Also See - Radiated Immunity Testing

Determining the equipment needed can be overwhelming, especially for second tier manufacturers of medical device components and sub assemblies with limited budgets.

Typically, customers want the equipment their medical device is most likely to have issues with during the certification testing.

The EMC Shop stocks the test equipment to fully comply to the IEC 60601-1-2 EMC test standards and streamline the certifcation process of any medical device.

Setting up to Test your Medical Device

  • Identify EUT phyiscal and electrical specifications
  • Identify power and data line coupling needs
  • Identify test points for ESD
  • Ground equipment and review safety measures
  • Test!
  • Evaluate EUT performance
  • The recovery time of the EUT if necessary
IEC 60601-1-2 EMC Testing Equipment for Medical Devices
Medical Device EMC Testing

DUT - SoftAir Alternating Mattress
Conducted Immunity Setup

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