Cleared Traditional

K984290 - IMPLEX RADIAL HEAD REPLACEMENT SYSTEM (FDA 510(k) Clearance)

Class II Orthopedic device cleared through predicate-based substantial equivalence - typically does not require clinical trials.

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Jun 1999
Decision
182d
Days
Class 2
Risk

K984290 is an FDA 510(k) clearance for the IMPLEX RADIAL HEAD REPLACEMENT SYSTEM. Classified as Prosthesis, Elbow, Hemi-, Radial, Polymer (product code KWI), Class II - Special Controls.

Submitted by Implex Corp. (Allendale, US). The FDA issued a Cleared decision on June 1, 1999 after a review of 182 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3170 - 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 Implex Corp. devices

Submission Details

510(k) Number K984290 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received December 01, 1998
Decision Date June 01, 1999
Days to Decision 182 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
60d slower than avg
Panel avg: 122d · This submission: 182d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code KWI Prosthesis, Elbow, Hemi-, Radial, Polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3170
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.