Cleared Abbreviated

K051745 - ECHOSYSTEM

K051745 is an FDA 510(k) clearance for ECHOSYSTEM, manufactured by Medstrat, Inc.. The device is a Class 2 Radiology device with product code LLZ cleared through the Abbreviated 510(k) pathway after a 15-day FDA review.

K051745 · Medstrat, Inc. · Radiology device
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Jul 2005
Decision
15d
Days
Class 2
Risk

K051745 is an FDA 510(k) clearance for the ECHOSYSTEM. Classified as System, Image Processing, Radiological within the LLZ classification (a category encompassing advanced image processing and PACS-adjacent software), Class II - Special Controls.

Submitted by Medstrat, Inc. (Downers Grove, US). The FDA issued a Cleared decision on July 14, 2005 after a review of 15 days - a notably fast clearance cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.2050 - the FDA radiology and imaging software oversight framework. The Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Incremental AI imaging tool. Standards-verified equivalence. Overall, this clearance reflects a predicate-aligned approval typical of modern AI radiology extensions - not a novel clinical breakthrough, but a validated iteration within an established regulatory category.

View all Medstrat, Inc. devices

FDA 510(k) Submission Details - K051745

510(k) Number K051745 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 29, 2005
Decision Date July 14, 2005
Days to Decision 15 days
Submission Type Abbreviated
Review Panel Radiology (RA)
Summary Summary PDF
Third-party Review Yes - reviewed by an FDA-accredited third party
Regulatory Context
Review time vs. panel average
92d faster than avg
Panel avg: 107d · This submission: 15d
Pathway characteristics
Standards-based clearance path. Third-party reviewed.

LLZ Device Classification - Class 2, Special Controls

Product Code LLZ System, Image Processing, Radiological
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.2050
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 - LLZ System, Image Processing, Radiological

All 1477
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