Cleared Traditional

K183312 - Conformity Stem

K183312 is an FDA 510(k) clearance for Conformity Stem, manufactured by United Orthopedic Corporation. The device is a Class 2 Orthopedic device with product code LZO cleared through the Traditional 510(k) pathway after a 252-day FDA review.

K183312 · United Orthopedic Corporation · Orthopedic device
Download Printable Device Report (PDF)
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Aug 2019
Decision
252d
Days
Class 2
Risk

K183312 is an FDA 510(k) clearance for the Conformity Stem. Classified as Prosthesis, Hip, Semi-constrained, Metal/ceramic/polymer, Cemented Or Non-porous, Uncemented (product code LZO), Class II - Special Controls.

Submitted by United Orthopedic Corporation (Hsinchu City, TW). The FDA issued a Cleared decision on August 8, 2019 after a review of 252 days - an extended review cycle.

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 United Orthopedic Corporation devices

FDA 510(k) Submission Details - K183312

510(k) Number K183312 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 29, 2018
Decision Date August 08, 2019
Days to Decision 252 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
130d slower than avg
Panel avg: 122d · This submission: 252d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

LZO Device Classification - Class 2, Special Controls

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 508
Devices cleared under the same product code (LZO) and FDA review panel - the closest regulatory comparables to K183312.
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K190834 · Corin USA · Jul 2019