Regulatory Q&A Forum
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For manufacturers of Class I or 510(k)-exempt Class II devices, such as a basic wellness app or an elastic bandage, adhering to FDA's General Control labeling requirements under 21 CFR Part 801 is a f...
What should I do if my 510k predicate device is recalled?
When a manufacturer of a 510(k)-cleared device, such as an infusion pump or a diagnostic software tool, discovers that its primary predicate device has been recalled for a significant safety or perfor...
What are the most common reasons for an FDA Refuse to Accept letter?
Beyond obvious administrative omissions like missing user fee forms, what are the more nuanced reasons a 510(k) submission for a Class II device, such as a cardiovascular catheter, might receive a Ref...
How to determine substantial equivalence if my predicate device is old?
When a medical device manufacturer is preparing a 510(k) submission for a modern deviceโfor instance, a digital diagnostic tool using novel software algorithmsโhow can they systematically establish su...
How do I choose the best predicate device from the FDA database?
When preparing a 510(k) submission for a device with several potential predicates, such as a new diagnostic catheter with a modified tip design, what comprehensive strategy should a sponsor employ to ...
For manufacturers of Class I medical devices exempt from premarket notification (510(k)), what is a comprehensive framework for ensuring full compliance with FDA's General Controls before and after pl...
For a small medical device company aiming to leverage the FDA's Small Business Determination (SBD) program to reduce MDUFA user fees, what are the critical operational and documentation considerations...
What performance testing is required for a Class II 510k device?
When developing a performance testing strategy for a new Class II device intended for a 510(k) submission, such as a diagnostic immunoassay or an electronic infusion pump, what is a systematic process...
What are the most common reasons for an FDA RTA hold?
When preparing a 510(k) submission, what are the most critical, yet often overlooked, documentation details that lead to a Refuse to Accept (RTA) hold, moving beyond simple omissions like missing form...
How do I justify substantial equivalence using multiple predicate devices?
When utilizing a multiple predicate (or "split predicate") strategy in a 510(k) submission, where a new device combines key features from two or more different legally marketed devices, what is a comp...
After receiving an FDA Form 483, a medical device manufacturer faces a critical 15-business-day window to submit a formal response. How can a firm strategically structure this period to develop a comp...
How long does the FDA 510k review process take in 2024
For medical device sponsors, a common point of confusion is the discrepancy between the FDA's 90-day 510(k) review goal and the actual "total time to clearance." While the agency aims for 90 FDA Days,...
What are the most common reasons for an FDA RTA hold on 510k submissions?
How can medical device sponsors develop a robust internal checklist to proactively mitigate the most common administrative and content-related deficiencies that lead to a Refuse to Accept (RTA) hold o...
What criteria determine a good predicate device for a 510k?
When preparing a 510(k) submission for a device incorporating novel features, such as a diagnostic catheter with a new sensor technology, sponsors must often select a predicate from a pool of imperfec...
When preparing a 510(k) for a Class II device, such as a diagnostic ultrasound system, how does a sponsor systematically distinguish between, identify, and document conformance with both General and S...
Beyond creating a basic checklist of FDAโs General Controls, what practical, auditable framework can a medical device manufacturer implement to ensure robust, ongoing compliance? For instance: 1. Es...
What are the most common reasons for a 510k Refuse to Accept (RTA) hold?
Beyond simple administrative oversights like an improperly formatted eCopy or a missing user fee form, what are the most critical, yet frequently overlooked, technical and content-related deficiencies...
How to justify a predicate device with different technological characteristics?
When preparing a 510(k) submission for a device with different technological characteristics (DTCs) compared to its predicate, what is a robust framework for establishing substantial equivalence (SE)?...
How to determine if my Class II device needs a 510k?
When a medical device manufacturer identifies a product classification regulation for their Class II device that states it is "exempt from the premarket notification procedures in subpart E of part 80...
I'm evaluating multiple EU Responsible Person providers and want to make sure I ask the right questions. What should I look for, what questions should I ask, and what are the red flags to avoid?