Cleared Traditional

K253949 - SonoPort Series Digital Color Doppler Ultrasound System (SonoPort 1, SonoPort 1 Exp, SonoPort 1 Pro, SonoPort 1 Elite, SonoPort 1 Plus, SonoPort 2, SonoPort 2 Exp, SonoPort 2 Pro, SonoPort 2 Elite, SonoPort 2 Plus, SonoPort 3, SonoPort 3 Exp, SonoPort 3 Pro, SonoPort 3 Elite, SonoPort 3 Plus, SonoPort 4, SonoPort 4 Exp, SonoPort 4 Pro, SonoPort 4 Elite, SonoPort 4 Plus, SonoPort 5, SonoPort 5 Exp, SonoPort 5 Pro, SonoPort 5 Elite, SonoPort 5 Plus, SonoPort 6, SonoPort 6 Exp, SonoPort 6 (FDA 510(k) Clearance)

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

K253949 · CHISON Medical Technologies Co., Ltd. · Radiology device
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Optimized for regulatory review, auditing and printing
May 2026
Decision
163d
Days
Class 2
Risk

K253949 is an FDA 510(k) clearance for the SonoPort Series Digital Color Doppler Ultrasound System (SonoPort 1, SonoPort.... 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 CHISON Medical Technologies Co., Ltd. (Wuxi, CN). The FDA issued a Cleared decision on May 22, 2026 after a review of 163 days - an extended review 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: 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 CHISON Medical Technologies Co., Ltd. devices

Submission Details

510(k) Number K253949 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 10, 2025
Decision Date May 22, 2026
Days to Decision 163 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
56d slower than avg
Panel avg: 107d · This submission: 163d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

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 Peers - IYN System, Imaging, Pulsed Doppler, Ultrasonic

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