Cleared Traditional

K901507 - MCAFFEE UNIVERSAL SPINAL SYSTEM (MUSS)

K901507 is an FDA 510(k) clearance for MCAFFEE UNIVERSAL SPINAL SYSTEM (MUSS), manufactured by Kirschner Medical Corp.. The device is a Class 2 Orthopedic device with product code KWQ cleared through the Traditional 510(k) pathway after a 669-day FDA review.

K901507 · Kirschner Medical Corp. · Orthopedic device
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Jan 1992
Decision
669d
Days
Class 2
Risk

K901507 is an FDA 510(k) clearance for the MCAFFEE UNIVERSAL SPINAL SYSTEM (MUSS). Classified as Appliance, Fixation, Spinal Intervertebral Body (product code KWQ), Class II - Special Controls.

Submitted by Kirschner Medical Corp. (Timonium, US). The FDA issued a Cleared decision on January 28, 1992 after a review of 669 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3060 - the FDA orthopedic device regulatory framework. The Traditional 510(k) pathway establishes clearance through substantial equivalence to a legally marketed predicate device, without requiring clinical trial data.

Device pattern: High-complexity regulatory submission. Elevated predicate reliance profile. The extended review timeline suggests the FDA required additional documentation before confirming substantial equivalence - a pattern common in complex or first-of-kind Orthopedic submissions.

View all Kirschner Medical Corp. devices

FDA 510(k) Submission Details - K901507

510(k) Number K901507 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 30, 1990
Decision Date January 28, 1992
Days to Decision 669 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
547d slower than avg
Panel avg: 122d · This submission: 669d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KWQ Device Classification - Class 2, Special Controls

Product Code KWQ Appliance, Fixation, Spinal Intervertebral Body
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3060
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 Orthopedic devices follow this clearance model.

Regulatory Peers - KWQ Appliance, Fixation, Spinal Intervertebral Body

All 448
Devices cleared under the same product code (KWQ) and FDA review panel - the closest regulatory comparables to K901507.
SYNTHES UNIVERSAL SPINE ROD AND SCREW FIXATION SYS
K922855 · Synthes (Usa) · Jun 1993
KANEDA ANTERIOR SPINAL MULTISEGMENTAL FIXATION DEV
K923703 · Acromed Corp. · May 1993
AESCULAP TITANIUM BONE PLATES
K913730 · Aesculap, Inc. · Mar 1992
SIMMONS PLATING SYSTEM
K910681 · Smith & Nephew Richards, Inc. · Oct 1991
CASF (TM) (CONTOURED ANTERIOR SPINAL FIXATON SYS.)
K904446 · Acromed Corp. · Sep 1991
ACROMED/KANEDA ANTERIOR SPINAL INSTRUMENTATION
K873826 · Acromed Corp. · Nov 1988