Cleared Traditional

K250444 - NEXUS Hip Stem

K250444 is the FDA 510(k) clearance for NEXUS Hip Stem by Microport Orthopedics, Inc.. It is a Class 2 Orthopedic device (product code LZO) cleared through the Traditional 510(k) pathway after a 90-day FDA review.

K250444 · Microport Orthopedics, Inc. · Orthopedic device
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May 2025
Decision
90d
Days
Class 2
Risk

K250444 is an FDA 510(k) clearance for the NEXUS® Hip Stem. Classified as Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented (product code LZO), Class II - Special Controls.

Submitted by Microport Orthopedics, Inc. (Arlington, US). The FDA issued a Cleared decision on May 15, 2025 after a review of 90 days - within the typical 510(k) review window.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3353 - 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 Microport Orthopedics, Inc. devices

Submission Details

510(k) Number K250444 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received February 14, 2025
Decision Date May 15, 2025
Days to Decision 90 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
32d faster than avg
Panel avg: 122d · This submission: 90d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3353
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 - LZO Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented

All 419
Devices cleared under the same product code (LZO) and FDA review panel - the closest regulatory comparables to K250444.
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