examples of controlled device changes - Introduction to Design Controls https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/ Medical Device Courses Discussion Board en-US Thu, 08 Oct 2026 00:17:41 +0000 wpForo 60 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22660 Mon, 10 Nov 2025 01:47:02 +0000 Some examples of device changes that need to be controlled are updates to the materials used, switching suppliers, or adjusting a device’s size or shape. Even small changes like replacing adhesives, updating sterilization methods, or modifying software code can affect how a device performs or how safe it is. That’s why every change should be reviewed, tested, and documented before it’s implemented. In my professional experience, I saw how even a simple adjustment in tooling or process settings had to go through review because it could impact the product’s consistency. Keeping those records not only helped with troubleshooting later on but also showed how the design evolved over time. What kind of design change do you guys think companies are most likely to overlook?

]]> Introduction to Design Controls Sky_Hero21 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22660 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22656 Mon, 10 Nov 2025 01:28:04 +0000

I agree that product development is an evolutionary process that requires careful control and documentation to maintain quality. From my perspective, design control plays a critical role in ensuring that any modifications made to a device are intentional and traceable. For example, changes such as updating the material of a surgical instrument to improve durability, adjusting the dimensions of a medical implant for better patient compatibility, or modifying the software of a diagnostic device to enhance performance must all be controlled. Each of these alterations needs to go through a documented review, verification, and validation process before approval. This not only ensures the device remains safe and effective but also creates a detailed history that helps with troubleshooting and future product improvements.

]]> Introduction to Design Controls imarah.AR https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22656 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22645 Sun, 09 Nov 2025 21:05:02 +0000 Controlled change really is what keeps product development from turning into chaos. Some common examples of device changes that need to be controlled include modifications to the materials used, updates to software or firmware, and adjustments to component dimensions or tolerances. Even what seems like a small change, like switching to a new supplier or altering the sterilization process, can have a big impact on performance or safety. Design control ensures each of those changes is properly reviewed, tested, and documented before implementation. That way, if something goes wrong later, there’s a clear trail showing what was changed and why. It’s basically how teams keep innovation moving forward without losing sight of consistency and safety which are major factors when it comes to regulating medical devices that have gone commercial. 

]]> Introduction to Design Controls Sami Choudhury https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/paged/2/#post-22645 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-22603 Wed, 05 Nov 2025 17:40:17 +0000 Some examples of device changes that must be controlled include any change that can alter how the device performs, interacts with the user, or impacts safety. For example, changing a material inside a device (like switching to a different polymer, adhesive, or coating) could affect biocompatibility or mechanical strength. Because of that, this would definitely have to go through formal design control and documentation. Another example is software updates in a smart medical device. Even a small firmware change could alter how the device responds, measures signals, or communicates data so this would require verification, validation, and approval before release. Design controls create traceability so that if a field issue happens later, team can go back and see exactly when changes were made and why.

]]> Introduction to Design Controls Natalie Nashed https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-22603 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13299 Sun, 07 Nov 2021 13:03:54 +0000 All device changes, no matter how minor or major, should be documented and controlled. If you were to do device modifications or improvements, it is a good way to keep track of design changes that did not work. Furthermore, a minor device change could a have a major impact on the device performance. If something were to go wrong with the device or if it was not able to perform as expected, it is important to have a complete and comprehensive history of all design changes in order to narrow down the cause of the issue.

]]> Introduction to Design Controls ps689 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13299 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13296 Sun, 07 Nov 2021 05:41:35 +0000 Working in the industry, for now, a year, I have seen the importance of keeping good documentation of everything that happens especially when a product goes through an evolutionary change or in my case a process is improved. For this specific process that was being improved, it was a change in the file directory and the way the machine was making its respective output files. To do this the system had to be overhauled and extensive testing was done to make sure that the proper files were made at the end of the workflow. But to do this, every test after it was figured out was documented and recorded in the logbook which had a history of all the runs conducted on the machines. We eventually started a series of testing and validation using IOQ, OQ, and PQ methodology to eventually implement the new workflow. It had to be rigorously tested for any bugs and if the method tampered with other workflows. In doing so, a controlled Test document was released to be used in guidance for the scientist to use during the testing phase. When doing the testing, I noticed that the language of the document was written in plain English to help with transparency and was also equally detailed to make sure that the scientist knew what he or she was doing and for reproducibility purposes.

]]> Introduction to Design Controls sseal98 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13296 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13286 Fri, 05 Nov 2021 22:44:13 +0000
Posted by: @tulikadasp

Product development is inherently an evolutionary process. While change is a healthy and necessary part of product development, quality can only be maintained if those changes are controlled and documented. Design control involves establishing procedures to identify, document, review, verify, validate, and approve design changes before they are implemented. Device changes are not random. They are controlled in such a way that it create a history of the evolution of the design, which can be useful for failure investigation and for facilitating the design of future similar products. Mention some examples of device changes that must be controlled. 

As someone whose background comes from Mechanical Engineering, I agree that this is good practice not just for designing a medical device, but any device for that matter. For instance, a lot of times things do not work out as planned as the rough idea. Part of engineering is to encounter these issues and remedy them so they will not happen again. For instance, say the geometry in your device is causing unwanted stresses in a given area, thus leading to faster degradation of the product, it would be good practice to note that down. This way when the next line of products come in next year, you are ready.

]]> Introduction to Design Controls cem34 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-13286 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12862 Mon, 27 Sep 2021 14:50:19 +0000 The one thing about Quality is paper trail. Documents with a more detailed description on how the design was made, under what circumstances the products are made and all the international regulatory documentation, like design history file. A detailed description on work environment, cleanliness and hygiene and to show that products shall be identified throughout the realization process, and procedures must safeguard that returned products are separated from conforming products.

]]> Introduction to Design Controls samscott https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12862 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12858 Mon, 27 Sep 2021 00:23:13 +0000
Posted by: @tulikadasp

Product development is inherently an evolutionary process. While change is a healthy and necessary part of product development, quality can only be maintained if those changes are controlled and documented. Design control involves establishing procedures to identify, document, review, verify, validate, and approve design changes before they are implemented. Device changes are not random. They are controlled in such a way that it create a history of the evolution of the design, which can be useful for failure investigation and for facilitating the design of future similar products. Mention some examples of device changes that must be controlled. 

Some device changes that must be controlled are recalls, errors in paperwork(any changes made). This is important because tracking all changes whether good or bad will help keep order. Staying on top of what is being controlled will benefit you in the end. This covers your track with errors because if everything is constantly being checked it lowers your risk. 

]]> Introduction to Design Controls jailynp26 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12858 RE: examples of controlled device changes https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12173 Fri, 25 Jun 2021 00:57:09 +0000 When it comes to device modifications, document control is crucial. It aids in the maintenance of a high-quality system or equipment. Device specifications, for example, are a regulated device modification that is generally updated with the arrival of improved specifications and the introduction of new technology in the industry. The design control papers also guarantee that the systems and controls utilized in the completed devices fulfill the specified requirements. They explain procedures, keep findings consistent, and throw light on intended goals. Document controls, when used correctly, may help decrease the possibility of errors and field issues.

]]> Introduction to Design Controls rowel2202 https://medicaldevicecourses.com/forums/introduction-to-design-controls/examples-of-controlled-device-changes/#post-12173