Cleared Traditional

SMITH & NEPHEW R3 CONSTRAINED LINERS (K122139) - FDA 510(k) Clearance

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

K122139 · Smith & Nephew, Inc. · Orthopedic device
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Oct 2012
Decision
89d
Days
Class 2
Risk

K122139 is an FDA 510(k) clearance for the SMITH & NEPHEW R3 CONSTRAINED LINERS. Classified as Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/polymer (product code KWZ), Class II - Special Controls.

Submitted by Smith & Nephew, Inc. (Memphis, US). The FDA issued a Cleared decision on October 16, 2012 after a review of 89 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3310 - 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: 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 Smith & Nephew, Inc. devices

Submission Details

510(k) Number K122139 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 19, 2012
Decision Date October 16, 2012
Days to Decision 89 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
33d faster than avg
Panel avg: 122d · This submission: 89d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWZ Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3310
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 - KWZ Prosthesis, Hip, Constrained, Cemented Or Uncemented, Metal/polymer

All 33
Devices cleared under the same product code (KWZ) and FDA review panel - the closest regulatory comparables to K122139.
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K101730 · Zimmer, Inc. · Dec 2010