Cleared Special

K221115 - Flow-Nail (FDA 510(k) Clearance)

Class II Orthopedic device cleared through the Special 510(k) pathway - typically does not require clinical trials.

K221115 · Flow-Fx, LLC · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
May 2022
Decision
28d
Days
Class 2
Risk

K221115 is an FDA 510(k) clearance for the Flow-Nail. Classified as Rod, Fixation, Intramedullary And Accessories (product code HSB), Class II - Special Controls.

Submitted by Flow-Fx, LLC (Mokena, US). The FDA issued a Cleared decision on May 13, 2022 after a review of 28 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3020 - the FDA orthopedic device regulatory framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Flow-Fx, LLC devices

Submission Details

510(k) Number K221115 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 15, 2022
Decision Date May 13, 2022
Days to Decision 28 days
Submission Type Special
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
94d faster than avg
Panel avg: 122d · This submission: 28d
Pathway characteristics
Modification to existing cleared device.

Device Classification

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 Consultant

Mcra, LLC
Hollace S. Rhodes

The regulatory consultant manages the 510(k) submission process on behalf of the applicant - coordinating technical documentation, predicate strategy and FDA communications. Identifying the consultant behind a submission is a key signal for competitive regulatory intelligence.

Regulatory Peers - HSB Rod, Fixation, Intramedullary And Accessories

All 522
Devices cleared under the same product code (HSB) and FDA review panel - the closest regulatory comparables to K221115.
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Reselute Tibial Nail
K253517 · Reselute, Inc. · Mar 2026
Arthrex FibuLock Nail System
K252196 · Arthrex, Inc. · Mar 2026