Cleared Traditional

K843681 - RESPIRATION & HEART RATE MONITOR 530

K843681 is the FDA 510(k) clearance for RESPIRATION & HEART RATE MONITOR 530 by Tri-Med, Inc.. It is a Class 2 Anesthesiology device (product code BZQ) cleared through the Traditional 510(k) pathway after a 77-day FDA review.

K843681 · Tri-Med, Inc. · Anesthesiology device
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Dec 1984
Decision
77d
Days
Class 2
Risk

K843681 is an FDA 510(k) clearance for the RESPIRATION & HEART RATE MONITOR 530. Classified as Monitor, Breathing Frequency (product code BZQ), Class II - Special Controls.

Submitted by Tri-Med, Inc. (Redmond, US). The FDA issued a Cleared decision on December 4, 1984 after a review of 77 days - a notably fast clearance 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: 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 Tri-Med, Inc. devices

Submission Details

510(k) Number K843681 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 18, 1984
Decision Date December 04, 1984
Days to Decision 77 days
Submission Type Traditional
Review Panel Anesthesiology (AN)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
63d faster than avg
Panel avg: 140d · This submission: 77d
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 65
Devices cleared under the same product code (BZQ) and FDA review panel - the closest regulatory comparables to K843681.
MONAGHAN RVM, MODEL 760 OR MODEL 761
K853047 · Monaghan Medical Corp. · Nov 1985
CENTURION-II, MODEL 3103 APNEA/BRADY CARDIA TRACHY
K851889 · Clinical Data, Inc. · Oct 1985
COROMETRICS 500 INFANT MONITOR
K850504 · Ge Medical Systems Information Technologies · Jun 1985
INFANT MONITOR 16900
K843546 · Healthdyne, Inc. · Oct 1984
EEG & RESPIRATION MODULES POLYGRAPH
K823563 · Nihon Kohden America, Inc. · Jan 1983
TRIMED 510 APNEA MONITOR
K822819 · Tri-Med, Inc. · Nov 1982