Cleared Traditional

K912735 - GENESIS UNICOMPARTMENTAL KNEE SYSTEM (FDA 510(k) Clearance)

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

K912735 · Smith & Nephew Richards, Inc. · Orthopedic device
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Dec 1991
Decision
190d
Days
Class 2
Risk

K912735 is an FDA 510(k) clearance for the GENESIS UNICOMPARTMENTAL KNEE SYSTEM. Classified as Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer (product code HSX), Class II - Special Controls.

Submitted by Smith & Nephew Richards, Inc. (Memphis, US). The FDA issued a Cleared decision on December 27, 1991 after a review of 190 days - an extended review cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3520 - 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 Smith & Nephew Richards, Inc. devices

Submission Details

510(k) Number K912735 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received June 20, 1991
Decision Date December 27, 1991
Days to Decision 190 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
68d slower than avg
Panel avg: 122d · This submission: 190d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code HSX Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3520
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 - HSX Prosthesis, Knee, Femorotibial, Non-constrained, Cemented, Metal/polymer

All 113
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