Compare

    Two terms, side by side

    Pick any two terms to see definitions, context, pitfalls, and sources in parallel.

    Curated comparison tables

    In-depth, attribute-by-attribute tables for the most common MedTech term pairs. Each row is sourced from the linked term pages.

    Regulatory

    Breakthrough Device Designation(BDD)

    In one line
    FDA program providing expedited review for devices that treat life-threatening or irreversibly debilitating conditions.
    Definition
    The Breakthrough Devices Program offers more interactive FDA communication, sprint discussions, and prioritized review for devices that provide more effective treatment or diagnosis of serious conditions and meet at least one additional criterion such as no approved alternatives. Designation is requested through a Q-Submission and does not lower the evidence standard for marketing authorization. Beyond priority review, it may support certain CMS coverage pathways.
    Why it matters
    Designation does not change the evidentiary standard for clearance or approval but typically shortens timelines and improves alignment. Breakthrough status can also support Medicare reimbursement under the TCET pathway.
    Common pitfalls
    • •One common mistake is assuming that Breakthrough Device Designation lowers the evidentiary standards for marketing authorization, which it does not.
    • •Another pitfall is delaying engagement with the FDA until late in device development, missing opportunities for early feedback and program benefits.
    • •Misunderstanding the criteria for designation, particularly the "no approved or cleared alternatives" clause, can lead to wasted application efforts.
    • •Failing to maintain the breakthrough characteristics throughout the development process can result in loss of designation.
    • •Companies sometimes incorrectly believe that breakthrough designation guarantees Medicare reimbursement, rather than merely facilitating a pathway like TCET, which still requires its own application and review.
    Open full page
    Select term B to compare.

    Why compare MedTech terms side by side?

    MedTech terminology is full of pairs that look interchangeable but carry very different regulatory, clinical, and commercial consequences. Picking the wrong framework, pathway, or standard early in a project can add months to a submission, invalidate clinical evidence, or trigger an audit finding. Side-by-side comparison is the fastest way to surface those differences before they become costly mistakes.

    Each comparison on this page pulls from the same vendor-neutral, sourced definitions used throughout the MedTech Terms glossary. You see the one-line summary, the formal definition, why it matters in practice, common pitfalls, and the primary sources (FDA guidance, EU MDR/IVDR articles, ISO/IEC standards, MDCG documents, IMDRF principles) that back each entry. That makes the comparison defensible in regulatory strategy memos, design reviews, and submission narratives.

    Common comparison patterns

    How to use this tool

    Pick term A and term B from the dropdowns, or click a preset above. The URL updates with both slugs so you can bookmark or share the exact comparison with a colleague, a notified body reviewer, or your regulatory consultant. Click Open full page on either side for the complete entry, including FAQs, related terms, and the full citation list. If you are not sure which term to start with, browse the Categories view or the A-Z index.

    MedTech Terms is a vendor-neutral community resource sponsored by Blue Goat Cyber. Definitions are written for educational use and are not legal or regulatory advice.