Cleared Traditional

K832331 - US-1000 ULTRASONIC IMAGING SYSTEM

K832331 is the FDA 510(k) clearance for US-1000 ULTRASONIC IMAGING SYSTEM by Nidek, Inc.. It is a Class 2 Radiology device (product code IYO) cleared through the Traditional 510(k) pathway after a 29-day FDA review.

K832331 · Nidek, Inc. · Radiology device
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Aug 1983
Decision
29d
Days
Class 2
Risk

K832331 is an FDA 510(k) clearance for the US-1000 ULTRASONIC IMAGING SYSTEM. Classified as System, Imaging, Pulsed Echo, Ultrasonic (product code IYO), Class II - Special Controls.

Submitted by Nidek, Inc. (Mchenry, US). The FDA issued a Cleared decision on August 16, 1983 after a review of 29 days - a notably fast clearance 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Nidek, Inc. devices

Submission Details

510(k) Number K832331 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 18, 1983
Decision Date August 16, 1983
Days to Decision 29 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
78d faster than avg
Panel avg: 107d · This submission: 29d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

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 416
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