Cleared Traditional

K991756 - 3 CHANNEL KNEE ELECTRONIC AMPLIFIED STETHOSCOPE (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Dec 1999
Decision
200d
Days
Class 2
Risk

K991756 is an FDA 510(k) clearance for the 3 CHANNEL KNEE ELECTRONIC AMPLIFIED STETHOSCOPE. Classified as Stethoscope, Electronic (product code DQD), Class II - Special Controls.

Submitted by Bio-Research Associates, Inc. (Milwaukee, US). The FDA issued a Cleared decision on December 10, 1999 after a review of 200 days - an extended review cycle.

This device falls under the Cardiovascular FDA review panel, regulated under 21 CFR 870.1875 - 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 Bio-Research Associates, Inc. devices

Submission Details

510(k) Number K991756 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 24, 1999
Decision Date December 10, 1999
Days to Decision 200 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
75d slower than avg
Panel avg: 125d · This submission: 200d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code DQD Stethoscope, Electronic
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 870.1875
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 - DQD Stethoscope, Electronic

All 153
Devices cleared under the same product code (DQD) and FDA review panel - the closest regulatory comparables to K991756.
AiSteth®
K252915 · Ai Health Highway India Pvt., Ltd. · May 2026
Tyto Stethoscope (G3)
K252089 · Tyto Care , Ltd. · Mar 2026
Kneevoice Cartilage Evaluation System (750-3600-001)
K252076 · Kneevoice, Inc. · Feb 2026
eMurmur Heart AI
K252284 · Csd Labs · Dec 2025
Stethophone Pro
K252595 · Sparrow Acoustics, Inc. · Sep 2025
Eko Foundation Analysis Software with Transformers (EFAST)
K251494 · Eko Health, Inc. · Aug 2025