Device Terms (24)
24 terms that appear in device planning, review, and readiness workflows.
Class I Medical Device(Class I)
Low-risk medical devices subject to general controls and, in most cases, exempt from 510(k) premarket notification.
Class II Medical Device(Class II)
Moderate-risk medical devices subject to general controls plus special controls, typically requiring 510(k) premarket notification.
Class III Medical Device(Class III)
Highest-risk medical devices requiring Premarket Approval (PMA) based on clinical evidence of safety and effectiveness.
Combination Product(Combination Product)
A therapeutic product combining two or more regulated components (drug, device, biologic) with a primary mode of action determining the lead FDA center.
De Novo Classification Request(De Novo)
A pathway for novel low-to-moderate risk medical devices that lack a predicate but do not require PMA-level review.
Design Controls
Systematic practices applied during product design and development to ensure devices meet user needs and intended uses.
IEC 62304(IEC 62304)
The international standard defining software lifecycle processes for medical device software.
In Vitro Diagnostic(IVD)
A medical device used to perform tests on samples taken from the human body to detect diseases, conditions, or infections.
Investigational Device Exemption(IDE)
FDA authorization allowing an unapproved medical device to be used in a clinical investigation to collect safety and effectiveness data.
ISO 14971(ISO 14971)
The international standard for application of risk management to medical devices across the full product lifecycle.
Q-Submission(Q-Sub)
FDA's formal mechanism for device sponsors to obtain feedback on development plans, submission content, or regulatory strategy before filing.
Quality System Regulation(QSR)
FDA regulations governing the methods and facilities used in the manufacture of medical devices.
Special 510(k)(Special 510(k))
An expedited 510(k) pathway for device modifications made by the original manufacturer of a previously cleared device.
Substantial Equivalence(SE)
The FDA determination that a new medical device is as safe and effective as a legally marketed predicate device, allowing 510(k) clearance.
