Cleared Special

K073325 - LEGION POROUS PRIMARY (FDA 510(k) Clearance)

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

K073325 · Smith & Nephew, Inc. · Orthopedic device
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Dec 2007
Decision
23d
Days
Class 2
Risk

K073325 is an FDA 510(k) clearance for the LEGION POROUS PRIMARY. Classified as Prosthesis, Knee, Patello/femorotibial, Semi-constrained, Uncemented, Porous, Coated, Polymer/metal/polymer (product code MBH), Class II - Special Controls.

Submitted by Smith & Nephew, Inc. (Memphis, US). The FDA issued a Cleared decision on December 20, 2007 after a review of 23 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3565 - the FDA orthopedic device regulatory framework. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

View all Smith & Nephew, Inc. devices

Submission Details

510(k) Number K073325 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received November 27, 2007
Decision Date December 20, 2007
Days to Decision 23 days
Submission Type Special
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
99d faster than avg
Panel avg: 122d · This submission: 23d
Pathway characteristics
Modification to existing cleared device.

Device Classification

Product Code MBH Prosthesis, Knee, Patello/femorotibial, Semi-constrained, Uncemented, Porous, Coated, Polymer/metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3565
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 - MBH Prosthesis, Knee, Patello/femorotibial, Semi-constrained, Uncemented, Porous, Coated, Polymer/metal/polymer

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