Cleared Traditional

K190100 - USTAR II System

K190100 is an FDA 510(k) clearance for USTAR II System, manufactured by United Orthopedic Corporation. The device is a Class 2 Orthopedic device with product code KRO cleared through the Traditional 510(k) pathway after a 244-day FDA review.

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Sep 2019
Decision
244d
Days
Class 2
Risk

K190100 is an FDA 510(k) clearance for the USTAR II System. Classified as Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer (product code KRO), Class II - Special Controls.

Submitted by United Orthopedic Corporation (Hsinchu City, TW). The FDA issued a Cleared decision on September 23, 2019 after a review of 244 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3510 - 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 United Orthopedic Corporation devices

FDA 510(k) Submission Details - K190100

510(k) Number K190100 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received January 22, 2019
Decision Date September 23, 2019
Days to Decision 244 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
122d slower than avg
Panel avg: 122d · This submission: 244d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

KRO Device Classification - Class 2, Special Controls

Product Code KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3510
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 - KRO Prosthesis, Knee, Femorotibial, Constrained, Cemented, Metal/polymer

All 81
Devices cleared under the same product code (KRO) and FDA review panel - the closest regulatory comparables to K190100.
Zimmer Segmental System
K192798 · Zimmer, Inc. · Dec 2020
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Attune Revision LPS Inserts
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GMK Hinge, GMK Revision
K172347 · Medacta International S.A. · Nov 2017
GMK Revision Femoral Distal Augmentation
K163311 · Medacta International S.A. · Dec 2016
ELEOS Limb Salvage System
K161520 · Onkos Surgical, Inc. · Oct 2016