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Design controls

From Wikipedia, the free encyclopedia

Design controls designates the application of a formal methodology to the conduct of product development activities. It is often mandatory (by regulation) to implement such practice when designing and developing products within regulated industries (e.g. medical devices).

Medical devices

Since 1990, the Food and Drug Administration (FDA) has required that medical device manufacturers that want to market certain categories of medical devices in the USA follow Design Control requirements (21 CFR 820.30). At a high level, this regulation requires:

  • Design and development planning
  • Design input, including intended use and user needs (also known as customer attributes)
  • Design output, including evaluation of conformance to design input requirements through:
    • Design verification confirming that the design output meets the design input requirements ("did we design the device right?")
    • Design validation ensuring that the devices conform to defined user needs and intended uses ("did we design the right device?")
  • Design review
  • Design transfer ensuring that the device design is correctly translated into production specifications
  • Design changes
  • Design history file, a demonstration that the design was developed according to the approved design plan and 21 CFR 820.30.

The Medical Devices Directive (MDD 93/42/EEC) similarly lists several requirements regarding the design of a medical device. ISO 13485 is a voluntary standard that contains section 7.3 Design and Development recommending which procedures should be put in place by manufacturers in order to have a quality system that will comply with MDD 93/42/EEC.

The objective of Design Controls, in this context, is to require that manufacturers follow a methodologically-sound process to develop a medical device, with the intent of improving the probability that the device will reach an acceptable level of efficacy and safety.

Design input

Examples of design input[1]:

Device functions Human factors
Physical characteristics Labeling & packaging
Performance Maintenance
Safety Sterilization
Reliability Compatibility
Performance standards Environmental limits
Regulatory requirements

References and external links

  • 21 CFR 820.30 on the FDA website [1]
  • MDD 93/42/EEC [2]

References

  1. ^ Joseph, Tartal. "Design Controls" (PDF). FDA. Retrieved June 15, 2017. 
This page was last edited on 30 May 2018, at 06:11.
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