Cleared Traditional

K890275 - ACUSON S328 TRANSDUCER FOR FETAL CARDIAC PULSED

K890275 is an FDA 510(k) clearance for ACUSON S328 TRANSDUCER FOR FETAL CARDIA..., manufactured by Acuson Corp.. The device is a Class 2 Radiology device with product code IYO cleared through the Traditional 510(k) pathway after a 194-day FDA review.

K890275 · Acuson Corp. · Radiology device
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Jul 1989
Decision
194d
Days
Class 2
Risk

K890275 is an FDA 510(k) clearance for the ACUSON S328 TRANSDUCER FOR FETAL CARDIAC PULSED. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Acuson Corp. (Mountain View, US). The FDA issued a Cleared decision on July 31, 1989 after a review of 194 days - an extended review cycle.

This device falls under the Radiology FDA review panel, regulated under 21 CFR 892.1560 - 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 Acuson Corp. devices

FDA 510(k) Submission Details - K890275

510(k) Number K890275 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 18, 1989
Decision Date July 31, 1989
Days to Decision 194 days
Submission Type Traditional
Review Panel Radiology (RA)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
87d slower than avg
Panel avg: 107d · This submission: 194d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

IYO Device Classification - Class 2, Special Controls

Product Code IYO System, Imaging, Pulsed Echo, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 892.1560
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 - IYO System, Imaging, Pulsed Echo, Ultrasonic

All 668
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