Cleared Traditional

K894757 - T-SCOPE, TELEMETRIC PRECORDIAL STETHOSCOPE (FDA 510(k) Clearance)

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

K894757 · Louisville Laboratories, Inc. · Anesthesiology device
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Sep 1989
Decision
53d
Days
Class 2
Risk

K894757 is an FDA 510(k) clearance for the T-SCOPE, TELEMETRIC PRECORDIAL STETHOSCOPE. Classified as Stethoscope, Esophageal, With Electrical Conductors (product code BZT), Class II - Special Controls.

Submitted by Louisville Laboratories, Inc. (Weston, US). The FDA issued a Cleared decision on September 18, 1989 after a review of 53 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1920 - 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 Louisville Laboratories, Inc. devices

Submission Details

510(k) Number K894757 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 27, 1989
Decision Date September 18, 1989
Days to Decision 53 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
86d faster than avg
Panel avg: 139d · This submission: 53d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BZT Stethoscope, Esophageal, With Electrical Conductors
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.1920
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 Anesthesiology devices follow this clearance model.