Cleared Traditional

K253448 - Sonosite MT Ultrasound System

K253448 is the FDA 510(k) clearance for Sonosite MT Ultrasound System by FUJIFILM Sonosite, Inc.. It is a Class 2 Radiology device (product code IYN) cleared through the Traditional 510(k) pathway after a 32-day FDA review.

K253448 · FUJIFILM Sonosite, Inc. · Radiology device
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Nov 2025
Decision
32d
Days
Class 2
Risk

K253448 is an FDA 510(k) clearance for the Sonosite MT Ultrasound System. Classified as System, Imaging, Pulsed Doppler, Ultrasonic within the IYN classification (a category covering pulsed Doppler and ultrasound imaging systems), Class II - Special Controls.

Submitted by FUJIFILM Sonosite, Inc. (Bothell, US). The FDA issued a Cleared decision on November 3, 2025 after a review of 32 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1550 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all FUJIFILM Sonosite, Inc. devices

Submission Details

510(k) Number K253448 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 02, 2025
Decision Date November 03, 2025
Days to Decision 32 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
75d faster than avg
Panel avg: 107d · This submission: 32d
Pathway characteristics
Predicate-based equivalence. No clinical trials required. Third-party reviewed.

Device Classification

Product Code IYN System, Imaging, Pulsed Doppler, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1550
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 Consultant

Regulatory Technology Services, LLC
Prithul Bom

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - IYN System, Imaging, Pulsed Doppler, Ultrasonic

All 779
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