Cleared Traditional

K173491 - RTS Lesser MTP Implant System (FDA 510(k) Clearance)

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

K173491 · In2bones USA, LLC · Orthopedic device
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Feb 2018
Decision
102d
Days
Class 2
Risk

K173491 is an FDA 510(k) clearance for the RTS Lesser MTP Implant System. Classified as Prosthesis, Toe, Constrained, Polymer (product code KWH), Class II - Special Controls.

Submitted by In2bones USA, LLC (Memphis, US). The FDA issued a Cleared decision on February 23, 2018 after a review of 102 days - within the typical 510(k) review window.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3720 - 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.

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Submission Details

510(k) Number K173491 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 13, 2017
Decision Date February 23, 2018
Days to Decision 102 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
20d faster than avg
Panel avg: 122d · This submission: 102d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWH Prosthesis, Toe, Constrained, Polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3720
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.