Cleared Traditional

K141740 - INFINITY (TM) TOTAL ANKLE SYSTEM (FDA 510(k) Clearance)

Also includes:
INBONE TOTAL ANKLE SYSTEM

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

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Mar 2015
Decision
251d
Days
Class 2
Risk

K141740 is an FDA 510(k) clearance for the INFINITY (TM) TOTAL ANKLE SYSTEM. Classified as Prosthesis, Ankle, Semi-constrained, Cemented, Metal/polymer (product code HSN), Class II - Special Controls.

Submitted by Wrightmedicaltechnologyinc (Memphis, US). The FDA issued a Cleared decision on March 5, 2015 after a review of 251 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3110 - 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 Wrightmedicaltechnologyinc devices

Submission Details

510(k) Number K141740 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received June 27, 2014
Decision Date March 05, 2015
Days to Decision 251 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
129d slower than avg
Panel avg: 122d · This submission: 251d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HSN Prosthesis, Ankle, Semi-constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3110
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 - HSN Prosthesis, Ankle, Semi-constrained, Cemented, Metal/polymer

All 66
Devices cleared under the same product code (HSN) and FDA review panel - the closest regulatory comparables to K141740.
Kinos Total Ankle System
K252454 · Restor3d · Sep 2025
Incompass Total Ankle System
K250037 · Wright Medical Technology, Inc. (Stryker) · Jun 2025
APEX 3D Total Ankle Replacement System
K250641 · Paragon 28, Inc. · May 2025
Hintermann Series H2 Total Ankle System
K240475 · Vilex, LLC · Dec 2024
Prophecy Surgical Planning System
K241999 · Wright Medical Technology, Inc. (Stryker) · Nov 2024
Kinos Total Ankle System
K242868 · Restor3d · Oct 2024