Cleared Traditional

K964951 - KINEMAX PLUS TIBIAL SPACERS

K964951 is the FDA 510(k) clearance for KINEMAX PLUS TIBIAL SPACERS by Howmedica Corp.. It is a Class 2 Orthopedic device (product code JWH) cleared through the Traditional 510(k) pathway after a 76-day FDA review.

K964951 · Howmedica Corp. · Orthopedic device
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Feb 1997
Decision
76d
Days
Class 2
Risk

K964951 is an FDA 510(k) clearance for the KINEMAX PLUS TIBIAL SPACERS. Classified as Prosthesis, Knee, Patellofemorotibial, Semi-constrained, Cemented, Polymer/metal/polymer (product code JWH), Class II - Special Controls.

Submitted by Howmedica Corp. (Rutherford, US). The FDA issued a Cleared decision on February 24, 1997 after a review of 76 days - a notably fast clearance cycle.

This device falls under the Orthopedic FDA review panel, regulated under 21 CFR 888.3560 - 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: Fast-track predicate clearance. Standard predicate reliance. The short review cycle indicates strong predicate alignment - the FDA found sufficient equivalence without extended technical review.

View all Howmedica Corp. devices

Submission Details

510(k) Number K964951 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received December 10, 1996
Decision Date February 24, 1997
Days to Decision 76 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
46d faster than avg
Panel avg: 122d · This submission: 76d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

Device Classification

Product Code JWH Prosthesis, Knee, Patellofemorotibial, Semi-constrained, Cemented, Polymer/metal/polymer
Device Class Class 2 - Special Controls
CFR Regulation 21 CFR 888.3560
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 - JWH Prosthesis, Knee, Patellofemorotibial, Semi-constrained, Cemented, Polymer/metal/polymer

All 768
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K964951.
NATURAL-KNEE II REVISION FEMORAL SPACER LUGS
K970498 · Intermedics Orthopedics · Apr 1997
FOUNDATION KNEE SYSTEM TIBIAL COMPONENT
K970031 · Encore Orthopedics, Inc. · Apr 1997
KIRSCHNER KNEE MODIFIED
K961021 · Biomet, Inc. · Mar 1997
NEXGEN COMPLETE KNEE SOLUTION
K963148 · Zimmer, Inc. · Feb 1997
FOUNDATION KNEE SYSTEM
K964008 · Encore Orthopedics, Inc. · Dec 1996
KINEMAX PLUS MODULAR STABILIZER FEMORAL COMPONENT AND FEMORAL SPACERS
K963796 · Howmedica Corp. · Dec 1996