Cleared Traditional

K171579 - M6/M6T/M6 EXP/M6S/M6 PRO/M5 EXP/M55/M58 Diagnostic Ultrasound System (FDA 510(k) Clearance)

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

K171579 · Shenzhen Mindray Bio-Medical Electronics Co., Ltd. · Radiology device

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Oct 2017

Decision

140d

Days

Class 2

Risk

K171579 is an FDA 510(k) clearance for the M6/M6T/M6 EXP/M6S/M6 PRO/M5 EXP/M55/M58 Diagnostic 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 Shenzhen Mindray Bio-Medical Electronics Co., Ltd. (Shenzhen, CN). The FDA issued a Cleared decision on October 18, 2017 after a review of 140 days - within the typical 510(k) review window.

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.

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Submission Details

510(k) Number	K171579 FDA.gov
FDA Decision	Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received	May 31, 2017
Decision Date	October 18, 2017
Days to Decision	140 days
Submission Type	Traditional
Review Panel	Radiology (RA)
Summary	Summary PDF
Third-party Review	No - reviewed directly by FDA

Regulatory Context

Review time vs. panel average

33d slower than avg

Panel avg: 107d · This submission: 140d

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.