Cleared Traditional

ADD'L TRANSDUCER FOR USE W/EUB-565 ULTRASOUND (K901657) - FDA 510(k) Clearance

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

K901657 · Hitachi Medical Corp. of America · Cardiovascular device
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Sep 1990
Decision
147d
Days
Class 2
Risk

K901657 is an FDA 510(k) clearance for the ADD'L TRANSDUCER FOR USE W/EUB-565 ULTRASOUND. Classified as Echocardiograph (product code DXK), Class II - Special Controls.

Submitted by Hitachi Medical Corp. of America (Tarrytown, US). The FDA issued a Cleared decision on September 4, 1990 after a review of 147 days - within the typical 510(k) review window.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2330 - the FDA cardiovascular device 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 Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

View all Hitachi Medical Corp. of America devices

Submission Details

510(k) Number K901657 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 10, 1990
Decision Date September 04, 1990
Days to Decision 147 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
22d slower than avg
Panel avg: 125d · This submission: 147d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DXK Echocardiograph
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2330
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 Cardiovascular devices follow this clearance model.

Regulatory Peers - DXK Echocardiograph

All 12
Devices cleared under the same product code (DXK) and FDA review panel - the closest regulatory comparables to K901657.
Ultra ICE Plus – PI 9 MHz Peripheral Imaging Catheter
K181042 · Boston Scientific Corporation · May 2018
Ultra ICE Plus 9 MHz IntraCardiac Echo Catheter(eDFU), Ultra ICE Plus 9 MHz IntraCardiac Echo Catheter (Paper DFU)
K160173 · Boston Scientific Corporation · Feb 2016
MODIFIED SYST: SONOS 500/1000 ULTRSOUND IMAG SYST
K904832 · Hewlett-Packard Co. · Apr 1991
MODEL SSH-140A ULTRASOUND IMAGING SYSTEM
K894632 · Toshiba America Medical Systems, In.C · Oct 1989
RT5000 W/QUANTI. SPEC. DOPPLER, CW DOPP. MODIFICA.
K871555 · General Electric Co. · Mar 1988
SERIES 77000 ULTRASOUND IMAGING SYSTEM
K873762 · Hewlett-Packard Co. · Feb 1988