Cleared Traditional

RESPIRATION & HEART RATE MONITOR 530 (K843681) - FDA 510(k) Clearance

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

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
Regulatory Context
Review time vs. panel average
62d faster than avg
Panel avg: 139d · 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 27
Devices cleared under the same product code (BZQ) and FDA review panel - the closest regulatory comparables to K843681.
MEDICAL SAFETY CABLE AND LEAD SYSTEM
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AR-800PA RESPIRATION MODULE
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LIFESCOPE 6, OEC-6120 PORTABLE PATIENT MONITOR REC
K862462 · Nihon Kohden America, Inc. · Feb 1987
EEG & RESPIRATION MODULES POLYGRAPH
K823563 · Nihon Kohden America, Inc. · Jan 1983
PDS MODEL 3000 ADULT RESPIRATION MODULE
K802046 · General Electric Co. · Sep 1980