Cleared Traditional

K930533 - BNOS MICROVENT(TM), MODEL AC AND MODEL AO (FDA 510(k) Clearance)

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

K930533 · Bnos Meditech, Ltd. · Anesthesiology device
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Mar 1993
Decision
55d
Days
Class 2
Risk

K930533 is an FDA 510(k) clearance for the BNOS MICROVENT(TM), MODEL AC AND MODEL AO. Classified as Stethoscope, Esophageal, With Electrical Conductors (product code BZT), Class II - Special Controls.

Submitted by Bnos Meditech, Ltd. (Essex, GB). The FDA issued a Cleared decision on March 29, 1993 after a review of 55 days - a notably fast clearance cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.1920 - 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 Bnos Meditech, Ltd. devices

Submission Details

510(k) Number K930533 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 02, 1993
Decision Date March 29, 1993
Days to Decision 55 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary Statement
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
84d faster than avg
Panel avg: 139d · This submission: 55d
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.

Regulatory Peers - BZT Stethoscope, Esophageal, With Electrical Conductors

All 45
Devices cleared under the same product code (BZT) and FDA review panel - the closest regulatory comparables to K930533.
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