Cleared Traditional

K141920 - Wrist Hemiarthroplasty System (FDA 510(k) Clearance)

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

K141920 · Arthrosurface, Inc. · Orthopedic device
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Dec 2014
Decision
160d
Days
Class 2
Risk

K141920 is an FDA 510(k) clearance for the Wrist Hemiarthroplasty System. Classified as Prosthesis, Wrist, Carpal Lunate (product code KWN), Class II - Special Controls.

Submitted by Arthrosurface, Inc. (Franklin, US). The FDA issued a Cleared decision on December 23, 2014 after a review of 160 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3750 - 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 Arthrosurface, Inc. devices

Submission Details

510(k) Number K141920 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received July 16, 2014
Decision Date December 23, 2014
Days to Decision 160 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
38d slower than avg
Panel avg: 122d · This submission: 160d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWN Prosthesis, Wrist, Carpal Lunate
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3750
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.