Cleared Traditional

K223069 - Modular Rotating Hinge Knee Systems and Compatible Components (FDA 510(k) Clearance)

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

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Apr 2023
Decision
203d
Days
Class 2
Risk

K223069 is an FDA 510(k) clearance for the Modular Rotating Hinge Knee Systems and Compatible Components. Classified as Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer (product code KRO), Class II - Special Controls.

Submitted by Howmedica Osteonics Corp., Dba Stryker Orthopaedics (Mahwah, US). The FDA issued a Cleared decision on April 21, 2023 after a review of 203 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3510 - 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 Howmedica Osteonics Corp., Dba Stryker Orthopaedics devices

Submission Details

510(k) Number K223069 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received September 30, 2022
Decision Date April 21, 2023
Days to Decision 203 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
81d slower than avg
Panel avg: 122d · This submission: 203d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3510
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 - KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer

All 85
Devices cleared under the same product code (KRO) and FDA review panel - the closest regulatory comparables to K223069.
Triathlon® Tritanium® Asymmetric Patella
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Triathlon® Hinge Knee System
K251665 · Howmedica Osteonics Corp., Dba Stryker Orthopaedics · Jul 2025
ATTUNE™ Revision Hinge Knee
K242871 · Depuy Ireland UC · Nov 2024
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K240043 · Microport Orthopedics, Inc. · Apr 2024
ATTUNE Total Knee System, ATTUNE Cementless Knee System, LPS Limb Preservation System, Sigma High Performance (HP) Partial Knee System
K233980 · Depuy Ireland UC · Mar 2024