Cleared Abbreviated

K990666 - HYDROXYAPATITE (HA) REFLECTION ACETABULAR SHELL, HYDROXYAPATITE (HA) REFLECTION INTERFIT SHELL (FDA 510(k) Clearance)

Class II Orthopedic device cleared through the Abbreviated 510(k) pathway - typically does not require clinical trials.

K990666 · Smith & Nephew, Inc. · Orthopedic device
Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Aug 1999
Decision
157d
Days
Class 2
Risk

K990666 is an FDA 510(k) clearance for the HYDROXYAPATITE (HA) REFLECTION ACETABULAR SHELL, HYDROXYAPATITE (HA) REFLECTI.... Classified as Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate (product code MEH), Class II - Special Controls.

Submitted by Smith & Nephew, Inc. (Memphis, US). The FDA issued a Cleared decision on August 6, 1999 after a review of 157 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 Abbreviated 510(k) pathway was used, relying on FDA-recognized standards to demonstrate substantial equivalence.

Device pattern: Standards-based predicate clearance. Standards-verified equivalence. The Abbreviated pathway signals strong alignment with FDA-recognized performance standards - typically associated with lower review burden and faster clearance cycles.

View all Smith & Nephew, Inc. devices

Submission Details

510(k) Number K990666 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received March 02, 1999
Decision Date August 06, 1999
Days to Decision 157 days
Submission Type Abbreviated
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
35d slower than avg
Panel avg: 122d · This submission: 157d
Pathway characteristics
Standards-based clearance path.

Device Classification

Product Code MEH Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate
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 - MEH Prosthesis, Hip, Semi-constrained, Uncemented, Metal / Polymer, Non-porous, Calcium Phosphate

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