Cleared Traditional

MODIFIED DSP100 AMPLIFIER (K873640) - FDA 510(k) Clearance

Class I Cardiovascular device.

K873640 · Intl. Acoustics, Inc. · Cardiovascular device
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Dec 1987
Decision
89d
Days
Class 1
Risk

K873640 is an FDA 510(k) clearance for the MODIFIED DSP100 AMPLIFIER. Classified as Phonocardiograph (product code DQC), Class I - General Controls.

Submitted by Intl. Acoustics, Inc. (Palatine, US). The FDA issued a Cleared decision on December 7, 1987 after a review of 89 days - a notably fast clearance cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.2390 - 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: 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 Intl. Acoustics, Inc. devices

Submission Details

510(k) Number K873640 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 09, 1987
Decision Date December 07, 1987
Days to Decision 89 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
36d faster than avg
Panel avg: 125d · This submission: 89d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code DQC Phonocardiograph
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 870.2390
What this classification means

Class I devices are subject to general controls only and most are exempt from 510(k) premarket notification. They represent the lowest regulatory burden in the FDA device framework.