Cleared Traditional

K250766 - LungQ 4

K250766 is an FDA 510(k) clearance for LungQ 4, manufactured by Thirona BV. The device is a Class 2 Radiology device with product code JAK cleared through the Traditional 510(k) pathway after a 203-day FDA review.

K250766 · Thirona BV · Radiology device
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Oct 2025
Decision
203d
Days
Class 2
Risk

K250766 is an FDA 510(k) clearance for the LungQ 4. Classified as System, X-ray, Tomography, Computed (product code JAK), Class II - Special Controls.

Submitted by Thirona BV (Nijmegen, NL). The FDA issued a Cleared decision on October 2, 2025 after a review of 203 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1750 - 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 Thirona BV devices

FDA 510(k) Submission Details - K250766

510(k) Number K250766 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 13, 2025
Decision Date October 02, 2025
Days to Decision 203 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
96d slower than avg
Panel avg: 107d · This submission: 203d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

JAK Device Classification - Class 2, Special Controls

Product Code JAK System, X-ray, Tomography, Computed
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1750
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.

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All 639
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