Cleared Traditional

K231573 - ThinkQA (Edition 2) (FDA 510(k) Clearance)

Class II Radiology device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

K231573 · Dosisoft SA · Radiology device
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Jan 2024
Decision
232d
Days
Class 2
Risk

K231573 is an FDA 510(k) clearance for the ThinkQA (Edition 2). Classified as Accelerator, Linear, Medical (product code IYE), Class II - Special Controls.

Submitted by Dosisoft SA (Cachan, FR). The FDA issued a Cleared decision on January 18, 2024 after a review of 232 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.5050 - the FDA radiology and imaging software oversight framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Radiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Dosisoft SA devices

Submission Details

510(k) Number K231573 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 31, 2023
Decision Date January 18, 2024
Days to Decision 232 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
125d slower than avg
Panel avg: 107d · This submission: 232d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code IYE Accelerator, Linear, Medical
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.5050
What this classification means

Class II devices require demonstration of substantial equivalence to a legally marketed predicate device. This pathway does not require clinical trials - it relies on engineering equivalence and performance data. Most Radiology devices follow this clearance model.

Regulatory Peers - IYE Accelerator, Linear, Medical

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