Cleared Traditional

K925512 - CERAMIC FEMORAL HEAD-28MM LONG, MODIFICATION (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Feb 1993
Decision
210d
Days
Class 2
Risk

K925512 is an FDA 510(k) clearance for the CERAMIC FEMORAL HEAD-28MM LONG, MODIFICATION. Classified as Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented (product code LZO), Class II - Special Controls.

Submitted by Dow Corning Wright (Arlington, US). The FDA issued a Cleared decision on February 12, 1993 after a review of 210 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3353 - 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. Standard predicate reliance. 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 Dow Corning Wright devices

Submission Details

510(k) Number K925512 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 17, 1992
Decision Date February 12, 1993
Days to Decision 210 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
88d slower than avg
Panel avg: 122d · This submission: 210d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3353
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 - LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented

All 528
Devices cleared under the same product code (LZO) and FDA review panel - the closest regulatory comparables to K925512.
Avenir® Müller Stem
K260182 · Zimmer, Inc. · Apr 2026
implaFit® short stems
K252401 · Implantcast GmbH · Mar 2026
Libertas Taper Short (TS) Uncemented Femoral Stem (Libertas TS Stem)
K253171 · Maxx Orthopedics, Inc. · Jan 2026
Coated hip implants
K250450 · Medacta International S.A. · Sep 2025
Longboard Revision Hip Stem
K243021 · Signature Orthopaedics Pty, Ltd. · Aug 2025
Z1 Hip System
K251906 · Zimmer, Inc. · Jul 2025