Cleared Traditional

K923402 - CRYSTAL TRACE PIEZO RESPIRATORY EFFORT ...

K923402 is the FDA 510(k) clearance for CRYSTAL TRACE PIEZO RESPIRATORY EFFORT ... by Pro-Tech, Inc.. It is a Class 2 Anesthesiology device (product code BZQ) cleared through the Traditional 510(k) pathway after a 173-day FDA review.

K923402 · Pro-Tech, Inc. · Anesthesiology device
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Dec 1992
Decision
173d
Days
Class 2
Risk

K923402 is an FDA 510(k) clearance for the CRYSTAL TRACE PIEZO RESPIRATORY EFFORT SENSOR. Classified as Monitor, Breathing Frequency (product code BZQ), Class II - Special Controls.

Submitted by Pro-Tech, Inc. (Woodinville, US). The FDA issued a Cleared decision on December 30, 1992 after a review of 173 days - an extended review cycle.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.2375 - 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: Standard predicate-based submission. Standard predicate reliance. This clearance follows a standard predicate-based equivalence path within the Anesthesiology review framework, consistent with the majority of Class II 510(k) submissions.

View all Pro-Tech, Inc. devices

Submission Details

510(k) Number K923402 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 10, 1992
Decision Date December 30, 1992
Days to Decision 173 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
33d slower than avg
Panel avg: 140d · This submission: 173d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code BZQ Monitor, Breathing Frequency
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.2375
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 - BZQ Monitor, Breathing Frequency

All 36
Devices cleared under the same product code (BZQ) and FDA review panel - the closest regulatory comparables to K923402.
MODEL 510 INFANT MONITOR
K943308 · Ge Medical Systems Information Technologies · Jul 1995
MODEL 511 INFANT MONITOR
K942170 · Ge Medical Systems Information Technologies · Jun 1995
MRIDIAN MEDICAL SYSTEMS VENTLATOR HOSES
K925364 · Merit Medical Systems, Inc. · Jan 1993
MEDICAL SAFETY CABLE AND LEAD SYSTEM
K912415 · Medtronic Vascular · Aug 1991
R-BAND(TM) RESPIRATORY SENSOR
K900264 · Buckman Co., Inc. · Jul 1990
AR-800PA RESPIRATION MODULE
K891486 · Nihon Kohden America, Inc. · Oct 1989