Cleared Traditional

K925159 - TOF-GUARD TRANSMISSION MONITOR

K925159 is an FDA 510(k) clearance for TOF-GUARD TRANSMISSION MONITOR, manufactured by Biometer Intl. A/S. The device is a Class 2 Anesthesiology device with product code KOI cleared through the Traditional 510(k) pathway after a 323-day FDA review.

K925159 · Biometer Intl. A/S · Anesthesiology device
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Sep 1993
Decision
323d
Days
Class 2
Risk

K925159 is an FDA 510(k) clearance for the TOF-GUARD TRANSMISSION MONITOR. Classified as Stimulator, Nerve, Peripheral, Electric (product code KOI), Class II - Special Controls.

Submitted by Biometer Intl. A/S (Denmark, DK). The FDA issued a Cleared decision on September 1, 1993 after a review of 323 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Anesthesiology FDA review panel, regulated under 21 CFR 868.2775 - 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. Elevated predicate reliance profile. 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 Biometer Intl. A/S devices

FDA 510(k) Submission Details - K925159

510(k) Number K925159 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received October 13, 1992
Decision Date September 01, 1993
Days to Decision 323 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
183d slower than avg
Panel avg: 140d · This submission: 323d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KOI Device Classification - Class 2, Special Controls

Product Code KOI Stimulator, Nerve, Peripheral, Electric
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 868.2775
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 - KOI Stimulator, Nerve, Peripheral, Electric

All 26
Devices cleared under the same product code (KOI) and FDA review panel - the closest regulatory comparables to K925159.
EZ STIM
K954505 · Life-Tech Intl., Inc. · Dec 1996
MAXISTIM
K955031 · Life-Tech Intl., Inc. · Dec 1996
CONSTANT CURRENT PERIPHERAL NERVE STIMULATOR NS272 (MODIFICATION)
K953205 · Fisher &Paykel Healthcare , Ltd. · May 1996
CONS. CURRENT PERIPH. NERVE LOC. NS232,NS262,NS272
K924234 · Fisher & Paykel Electronics , Ltd. · May 1993
NEUROMUSCULAR TRANSMISSION MONITOR
K840108 · Datex Division Instrumentarium Corp. · Feb 1984