Cleared Traditional

ELECTRONIC STETHOSCOPE #S-50 (K812148) - FDA 510(k) Clearance

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

K812148 · Syphgmostat · Cardiovascular device
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Aug 1981
Decision
28d
Days
Class 2
Risk

K812148 is an FDA 510(k) clearance for the ELECTRONIC STETHOSCOPE #S-50. Classified as Stethoscope, Electronic (product code DQD), Class II - Special Controls.

Submitted by Syphgmostat (Mchenry, US). The FDA issued a Cleared decision on August 25, 1981 after a review of 28 days - a notably fast clearance 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: 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 Syphgmostat devices

Submission Details

510(k) Number K812148 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 28, 1981
Decision Date August 25, 1981
Days to Decision 28 days
Submission Type Traditional
Review Panel Cardiovascular (CV)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
97d faster than avg
Panel avg: 125d · This submission: 28d
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 54
Devices cleared under the same product code (DQD) and FDA review panel - the closest regulatory comparables to K812148.
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