Cleared Traditional

K790523 - ARGYLE ESOPHAGEAL STETHOSCOPE (FDA 510(k) Clearance)

Class I Anesthesiology device.

K790523 · Sherwood Medical Industries · Anesthesiology device
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Mar 1979
Decision
12d
Days
Class 1
Risk

K790523 is an FDA 510(k) clearance for the ARGYLE ESOPHAGEAL STETHOSCOPE. Classified as Stethoscope, Esophageal (product code BZW), Class I - General Controls.

Submitted by Sherwood Medical Industries (Mchenry, US). The FDA issued a Cleared decision on March 27, 1979 after a review of 12 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1910 - the FDA anesthesiology and respiratory device 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 Sherwood Medical Industries devices

Submission Details

510(k) Number K790523 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 15, 1979
Decision Date March 27, 1979
Days to Decision 12 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
127d faster than avg
Panel avg: 139d · This submission: 12d
Pathway characteristics
Predicate-based equivalence.

Device Classification

Product Code BZW Stethoscope, Esophageal
Device Class Class 1 - General Controls
CFR Regulation 21 CFR 868.1910
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.