Cleared Traditional

K844444 - ESOPHAGEAL STETHOSCOPE

K844444 is an FDA 510(k) clearance for ESOPHAGEAL STETHOSCOPE, manufactured by Medical Parameters, Inc.. The device is a Class 1 Anesthesiology device with product code BZW cleared through the Traditional 510(k) pathway after a 55-day FDA review.

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Jan 1985
Decision
55d
Days
Class 1
Risk

K844444 is an FDA 510(k) clearance for the ESOPHAGEAL STETHOSCOPE. Classified as Stethoscope, Esophageal (product code BZW), Class I - General Controls.

Submitted by Medical Parameters, Inc. (Woburn, US). The FDA issued a Cleared decision on January 10, 1985 after a review of 55 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 Medical Parameters, Inc. devices

FDA 510(k) Submission Details - K844444

510(k) Number K844444 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 16, 1984
Decision Date January 10, 1985
Days to Decision 55 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
85d faster than avg
Panel avg: 140d · This submission: 55d
Pathway characteristics
Predicate-based equivalence.

BZW Device Classification - Class 1, General Controls

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.

Regulatory Peers - BZW Stethoscope, Esophageal

All 7
Devices cleared under the same product code (BZW) and FDA review panel - the closest regulatory comparables to K844444.
MODIFIED ESOPHAGEAL STETHOSCOPE/TEMPERATURE SENSOR
K874519 · Mon-A-Therm, Inc. · Jan 1988
QUAZAR ESOPHAGEAL STETHOSCOPE
K841574 · Axiom Medical, Inc. · Aug 1984
ESOPHAGEAL STETHOSCOPE
K842865 · Inmed Corp. · Aug 1984
SHERIDAN/ESOPHAGEAL STETHOSCOPE
K830218 · Sheridan Catheter Corp. · Mar 1983
MODEL SA-1 STETHOSCOPE AUDIO AMPLIFIER
K823126 · Electromedics, Inc. · Nov 1982
ESOPHAGEAL STETHESCOPE
K800463 · Medical Components, Inc. · Mar 1980