Cleared Traditional

K141920 - Wrist Hemiarthroplasty System

K141920 is an FDA 510(k) clearance for Wrist Hemiarthroplasty System, manufactured by Arthrosurface, Inc.. The device is a Class 2 Orthopedic device with product code KWN cleared through the Traditional 510(k) pathway after a 160-day FDA review.

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

FDA 510(k) Submission Details - K141920

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
Combination Product No
PCCP Authorized No
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.

KWN Device Classification - Class 2, Special Controls

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.