Cleared Traditional

K881979 - RESUBMITTAL OF MI 1000C MICROIMAGER (FDA 510(k) Clearance)

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

K881979 · Ausonics Pty , Ltd. · Cardiovascular device
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Jun 1989
Decision
396d
Days
Class 2
Risk

K881979 is an FDA 510(k) clearance for the RESUBMITTAL OF MI 1000C MICROIMAGER. Classified as Transducer, Ultrasonic (product code JOP), Class II - Special Controls.

Submitted by Ausonics Pty , Ltd. (Suffield, US). The FDA issued a Cleared decision on June 12, 1989 after a review of 396 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2880 - 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. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Cardiovascular review framework, consistent with the majority of Class II 510(k) submissions.

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Submission Details

510(k) Number K881979 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 12, 1988
Decision Date June 12, 1989
Days to Decision 396 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
271d slower than avg
Panel avg: 125d · This submission: 396d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JOP Transducer, Ultrasonic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.2880
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.