Cleared Traditional

K253566 - Affixus Retrograde Femoral Nailing System

K253566 is an FDA 510(k) clearance for Affixus Retrograde Femoral Nailing System, manufactured by Zimmer, Inc.. The device is a Class 2 Orthopedic device with product code HSB cleared through the Traditional 510(k) pathway after a 115-day FDA review.

K253566 · Zimmer, Inc. · Orthopedic device
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Optimized for regulatory review, auditing and printing
Mar 2026
Decision
115d
Days
Class 2
Risk

K253566 is an FDA 510(k) clearance for the Affixus Retrograde Femoral Nailing System. Classified as Rod, Fixation, Intramedullary And Accessories (product code HSB), Class II - Special Controls.

Submitted by Zimmer, Inc. (Warsaw, US). The FDA issued a Cleared decision on March 12, 2026 after a review of 115 days - within the typical 510(k) review window.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3020 - 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 Zimmer, Inc. devices

FDA 510(k) Submission Details - K253566

510(k) Number K253566 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 17, 2025
Decision Date March 12, 2026
Days to Decision 115 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
7d faster than avg
Panel avg: 122d · This submission: 115d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

HSB Device Classification - Class 2, Special Controls

Product Code HSB Rod, Fixation, Intramedullary And Accessories
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3020
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 - HSB Rod, Fixation, Intramedullary And Accessories

All 460
Devices cleared under the same product code (HSB) and FDA review panel - the closest regulatory comparables to K253566.
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K253591 · Paragon 28, Inc. · Mar 2026