10 ways to achieve quality assurance (QA) in medical engineering

Given the critical role medical devices and equipment play in the health and safety of patients, it’s essential for companies to employ rigorous QA processes to ensure their products meet or exceed all established quality standards.


1) Companies should involve cross-functional team of QA engineers and experts
Starting with the initial design phase, companies should involve a team of engineers, designers, manufacturing experts, quality assurance specialists, regulatory experts, and other stakeholders to identify potential challenges or risks associated with the product development process.

Before hiring the engineers, they should be able to pass the QA engineer test. This will prove that they can apply their knowledge skillfully and communicate effectively in a team setting to ensure that deadline and quality requirements are met.

2) Use statistical process control (SPC)
SPC is based on the collection of data about the engineering process over time. This data can then be analyzed statistically to identify changes in product quality or process performance that might indicate a problem. With this information, corrective actions can be taken quickly to prevent serious issues from occurring.

In medical engineering, SPC is very useful in ensuring Quality Assurance, especially in diagnostic imaging equipment. For example, X-ray machines are often equipped with sensors that monitor their performance over time and alert technicians if there are any deviations from normal operation.

In addition, engineers may use SPC to monitor the manufacturing process of medical devices such as pacemakers or artificial hips, to ensure that they meet all quality standards.

3) Using the failure mode and effect analysis (FMEA) tool
FMEA is another tool that is useful in ensuring QA in medical engineering. It is used to identify potential failure modes in a product or process, as well as the effects of those failures. It is typically used during the design phase of product development but can also be employed during production.

FMEA is an important tool for medical engineers, as it can help to identify potential safety hazards and issues that could impact patient care. By identifying and addressing these issues early on, medical engineers can help to ensure that products and processes are safe and effective.

4)  Review and update quality procedures regularly 
There are several factors that can impact QA in medical engineering, including regulatory requirements, industry best practices, and advances in technology. To achieve quality assurance in this field, it is essential to stay up to date on regulatory changes.

This involves monitoring emerging standards and guidelines from regulatory bodies such as the FDA or EU MDR, as well as keeping apprised of new certifications or accreditations that may be required for specific products or materials.

QA procedures should also be reviewed and updated at least once per year, or more often if significant changes have been made to the product development process.

5) Perform regular audits
A key part of quality control is ensuring that processes are being followed correctly and consistently. One way to do this is to conduct regular audits of your medical engineering team's work. This can be done internally by another team member or manager, or externally by an independent third party.

These audits can help identify areas where changes need to be made, and they can also help promote greater transparency both within companies and across the industry.

Performing regular audits can also allow you to monitor and assess your own quality processes over time. This can help you identify any problems or areas that need improvement before they become major issues, which leads to lower quality control costs overall.

In addition, having a clear understanding of your company's strengths and weaknesses will give you valuable information when setting goals for future improvement efforts.

6) Establishing strong partnerships with other stakeholders
This can involve working closely with regulatory bodies, such as the FDA or EU MDR, to ensure that you are always up to date on emerging standards and guidelines.

It can also involve collaborating with other organizations within your industry, such as manufacturers, suppliers, and service providers. By sharing knowledge and resources with these partners, you can help build a more efficient and effective supply chain that supports high-quality products and services.

In addition to these external relationships, it is also important to establish strong internal partnerships within your organization. This may include working closely with various teams or departments, such as product development, production, marketing, and sales.

By fostering a culture of collaboration, you can help ensure that all stakeholders are aligned around the same goals and objectives for your organization. Through this, you will ensure that your products and services meet the highest standards of safety, quality, and effectiveness.

7) Implement quality management systems
Quality management systems (QMS) are another important tool that can be used to achieve quality assurance in medical engineering. QMS are designed to help organizations manage and improve the quality of their products and services.

One key strategy for achieving quality assurance in medical engineering is the implementation of a robust quality management system (QMS). A QMS is a set of tools, processes, and procedures that can be used to manage and improve the quality of products and services.

Some of the key components of a QMS can include standard operating procedures (SOPs), quality metrics, regular performance reviews, and training programs for staff members. While these may vary depending on the needs or requirements of your organization, having a well-designed QMS in place can help ensure that you are always focused on delivering high-quality products and services to your customers.

8) Maintaining compliance with relevant regulations
Achieving quality assurance in medical engineering also requires maintaining compliance with relevant regulations. This includes staying up to date on all applicable standards and guidelines, as well as ensuring that your products and processes meet these requirements.

One way to stay compliant with relevant regulations is to establish a robust quality management system (QMS). This type of system can help you track and monitor compliance issues, as well as identify any potential areas of non-compliance. In addition, a QMS can also help you develop and implement corrective and preventive actions (CAPA) in response to any identified problems or issues.

9) Invest in training of employees responsible for QA
To ensure the devices, machines, and other equipment used for the diagnosis and treatment of patients meet certain standards for safety and effectiveness, training is mandatory. Employees in this field should be properly trained on how to perform their duties with quality assurance in mind even if they have academic qualifications.

There are several key elements involved in training employees for quality assurance. First, individuals working in this field must have a strong understanding of the specific procedures and guidelines relevant to their particular area of focus.

For example, if an employee will be working with biomedical equipment such as MRI machines or ultrasound scanners, they should be well versed in the operation and maintenance of these devices. They should also be aware of any quality control procedures that need to be followed when using this equipment.

In addition, the employees must also be able to effectively communicate with other members of the medical engineering team. This includes being able to clearly articulate instructions and providing feedback in a way that is easily understood. Additionally, individuals must be able to work well under pressure and handle difficult situations that may arise during their work.

Finally, it is important that employees receive ongoing training on quality assurance principles and practices. This can help to ensure that they are up to date on the latest developments in this field and can properly apply these concepts in their day-to-day work.

10) Implement a feedback loop
One of the crucial steps in developing effective medical equipment is implementing a feedback loop. This allows engineers to monitor and assess the quality of their designs, as well as make any necessary adjustments or improvements that are needed along the way.

There are several different strategies that engineers can use to create an effective feedback loop when developing medical equipment. One approach is to conduct periodic usability tests on prototypes or finished devices, using data collected from these assessments to inform any future design decisions.

Another method is to gather input directly from end-users by asking them questions or conducting interviews about how they use the medical equipment and what features or functions would be most helpful to them.


Quality assurance is critical in the medical engineering field. Medical devices and equipment need to meet specific quality standards to be used safely and effectively on patients.  By implementing the strategies that have been discussed, you will ensure that you produce high-quality products.

Share This Content