Cleared Traditional

K933881 - DEPUY MOTECH MOSS-MIAMI SPINAL SYSTEM

K933881 is an FDA 510(k) clearance for DEPUY MOTECH MOSS-MIAMI SPINAL SYSTEM, manufactured by Depuy, Inc.. The device is a Class 2 Orthopedic device with product code KWP cleared through the Traditional 510(k) pathway after a 336-day FDA review.

K933881 · Depuy, Inc. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Jul 1994
Decision
336d
Days
Class 2
Risk

K933881 is an FDA 510(k) clearance for the DEPUY MOTECH MOSS-MIAMI SPINAL SYSTEM. Classified as Appliance, Fixation, Spinal Interlaminal (product code KWP), Class II - Special Controls.

Submitted by Depuy, Inc. (Warsaw, US). The FDA issued a Cleared decision on July 12, 1994 after a review of 336 days - an unusually long review period, suggesting complex equivalence evaluation.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3050 - 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: Standard predicate-based submission. Elevated predicate reliance profile. This clearance follows a standard predicate-based equivalence path within the Orthopedic review framework, consistent with the majority of Class II 510(k) submissions.

View all Depuy, Inc. devices

FDA 510(k) Submission Details - K933881

510(k) Number K933881 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received August 10, 1993
Decision Date July 12, 1994
Days to Decision 336 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
214d slower than avg
Panel avg: 122d · This submission: 336d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KWP Device Classification - Class 2, Special Controls

Product Code KWP Appliance, Fixation, Spinal Interlaminal
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3050
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 - KWP Appliance, Fixation, Spinal Interlaminal

All 385
Devices cleared under the same product code (KWP) and FDA review panel - the closest regulatory comparables to K933881.
SENTRY(TM) ANTERIOR/POSTERIOR SPINAL SYSTEMS
K936294 · Sofamor Danek Mfg., Inc. · Dec 1995
WEBB-MORLEY SPINE SYSTEM
K945781 · Electro-Biology, Inc. · Jun 1995
STRYKER 2S SPINAL SYSTEM
K930009 · Stryker Corp. · Sep 1994
ALPHA SPINAL SYSTEM
K930515 · Alphatec Mfg., Inc. · Jun 1994
TI-FRAME
K934860 · Johnson & Johnson Professionals, Inc. · Jun 1994
TSRH(R) TOP TIGHT T-BOLT-VARI ANGLE/SCREW/PARAGON
K933205 · Danek Medical, Inc. · May 1994