Cleared Abbreviated

K183235 - SonoSite SII Ultrasound System (FDA 510(k) Clearance)

Class II Radiology device cleared through the Abbreviated 510(k) pathway - typically does not require clinical trials.

K183235 · FUJIFILM Sonosite, Inc. · Radiology device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Feb 2019
Decision
79d
Days
Class 2
Risk

K183235 is an FDA 510(k) clearance for the SonoSite SII 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 February 7, 2019 after a review of 79 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 Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Standards-based predicate clearance. Standards-verified equivalence. The Abbreviated pathway signals strong alignment with FDA-recognized performance standards - typically associated with lower review burden and faster clearance cycles.

View all FUJIFILM Sonosite, Inc. devices

Submission Details

510(k) Number K183235 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 20, 2018
Decision Date February 07, 2019
Days to Decision 79 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
28d faster than avg
Panel avg: 107d · This submission: 79d
Pathway characteristics
Standards-based clearance path. 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 Peers - IYN System, Imaging, Pulsed Doppler, Ultrasonic

All 1158
Devices cleared under the same product code (IYN) and FDA review panel - the closest regulatory comparables to K183235.
ES-Series
K260589 · E-Scopics · Apr 2026
6450 Ultrasound System (MyLabE80)
K253288 · Esaote, S.P.A. · Apr 2026
Wireless Probe Type Ultrasound Scanner
K252709 · Xuzhou Yongkang Electronic Science Technology Co., Ltd. · Apr 2026
EVO Q30 Diagnostic Ultrasound System
K254099 · Samsung Medison Co., Ltd. · Mar 2026
EPIQ Series Diagnostic Ultrasound System, Affiniti Series Diagnostic Ultrasound System
K253595 · Philips Ultrasound, LLC · Mar 2026
Butterfly Gestational Age Tool
K252148 · Butterfly Network, Inc. · Mar 2026