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FDA 510(k)

Stem Extension Line (USTAR II System)

K-Number: K252303 · 2025-08-22

ApplicantUnited Orthopedic Corporation
Decision Date2025-08-22
Product CodeKRO
Advisory CommitteeOR
DecisionSubstantially Equivalent

Device Summary

Stem Extension Line (USTAR II System) is the device name listed in this FDA 510(k) record. The listed applicant is United Orthopedic Corporation. It received FDA 510(k) clearance on 2025-08-22 under 510(k) number K252303. The device is classified under product code KRO. It was reviewed by the OR advisory panel. FDA Decision: Substantially Equivalent.

Frequently Asked Questions

What is the Stem Extension Line (USTAR II System)?

Stem Extension Line (USTAR II System) is a medical device that received FDA 510(k) clearance on 2025-08-22. The listed applicant is United Orthopedic Corporation. The 510(k) number is K252303.

When did Stem Extension Line (USTAR II System) receive FDA 510(k) clearance?

Stem Extension Line (USTAR II System) received FDA 510(k) clearance on 2025-08-22, under 510(k) number K252303.

Who is the listed applicant for Stem Extension Line (USTAR II System)?

The FDA 510(k) record lists United Orthopedic Corporation as the applicant. This does not by itself establish the device manufacturer.

What is the FDA product code for Stem Extension Line (USTAR II System)?

The FDA product code for Stem Extension Line (USTAR II System) is KRO.

Other records listing United Orthopedic Corporation as applicant

Related records are matched automatically using names, product codes, or other metadata. A match does not establish a verified clinical, scientific, corporate, or regulatory relationship; review the linked official sources.

K252725Stem Extension Line (U2 Total Knee System—PSA Type)K243656U2 Total Knee System – PF+ Patella; USTAR II System– PF+ PatellaK242315Resolve Modular Revision Hip StemK243466Conformity Stem Extension Line, #0K243024Cellbrick Knee SpacerK242249Conformity Stem Extension Line

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Related Devices (Code: KRO)

Related records are matched automatically using names, product codes, or other metadata. A match does not establish a verified clinical, scientific, corporate, or regulatory relationship; review the linked official sources.

K261898Triathlon® Knee System; Triathlon® Hinge Knee System; Scorpio® Total Knee SystemHowmedica Osteonics Corp. dba Stryker OrthopaedicsK252898Triathlon® Tritanium® Asymmetric Patella; Triathlon® Tritanium® Symmetric Patella; Triathlon® Symmetric Patella; Triathlon® Asymmetric Patella; Scorpio® Universal Dome Patella; Triathlon® Hinge BumperHowmedica Osteonics Corp., Dba Stryker OrthopaedicsK251665Triathlon® Hinge Knee SystemHowmedica Osteonics Corp., Dba Stryker OrthopaedicsK242871ATTUNE™ Revision Hinge KneeDepuy Ireland UCK240043EVOLUTION® Hinge Knee System;GUARDIAN™ limb Salvage System;DCW Modular Distal Femoral System;REPIPHYSIS™ Limb Salvage System;EVOLUTION® MP Total Knee System; EVOLUTION® MP Total Knee System; EVOLUTION® MP Adaptive CS Insert; EVOLUTION® MP Adaptive PS Tibial Insert; EVOLUTION® MP CS/CR Porous Femur/EVOLUTION® Adaptive CS and PS Inserts; EVOLUTION® Revision CCK System; ADVANCE® Double High Insert; ADVANCE® A-CLASS® Tibial Insert; ADVANCE® Knee System; ADVANCE® Ultra-Congruent Tibial InseMicroport Orthopedics, Inc.K233980ATTUNE Total Knee System, ATTUNE Cementless Knee System, LPS Limb Preservation System, Sigma High Performance (HP) Partial Knee SystemDepuy Ireland UC

Official Source

View on FDA Database →

Data sourced from FDA Open API. For the most current and authoritative information, always refer to the official record.

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