Cleared Traditional

K910500 - HOWMEDICA KINEMAX PLUS TOTAL KNEE SYSTEM

K910500 is an FDA 510(k) clearance for HOWMEDICA KINEMAX PLUS TOTAL KNEE SYSTEM, manufactured by Howmedica Corp.. The device is a Class 2 Orthopedic device with product code JWH cleared through the Traditional 510(k) pathway after a 90-day FDA review.

K910500 · Howmedica Corp. · Orthopedic device
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May 1991
Decision
90d
Days
Class 2
Risk

K910500 is an FDA 510(k) clearance for the HOWMEDICA KINEMAX PLUS TOTAL KNEE SYSTEM. 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 May 6, 1991 after a review of 90 days - within the typical 510(k) review window.

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: 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 Howmedica Corp. devices

FDA 510(k) Submission Details - K910500

510(k) Number K910500 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received February 05, 1991
Decision Date May 06, 1991
Days to Decision 90 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
32d faster than avg
Panel avg: 122d · This submission: 90d
Pathway characteristics
Predicate-based equivalence. No clinical trials required.

JWH Device Classification - Class 2, Special Controls

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 885
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K910500.
P.F.C.(R) MODULAR KNEE SYST, STAB ALL-PLAST TIBIAL
K910563 · Johnson & Johnson Orthopaedics, Inc. · May 1991
PLUS TOTAL KNEE SYST/AXIOM TOTAL KNEE SYSTEM
K911197 · Orthomet, Inc. · May 1991
TIBIAL TRAY PMMA PLUG FOR PLUS/AXIOM TOTAL KNEE SY
K911198 · Orthomet, Inc. · May 1991
KINEMAX SUPERSTABILIZER TOTAL KNEE SYSTEM
K904208 · Howmedica Corp. · Apr 1991
WHITESIDE ORTHOLOC MODULAR TIBIAL CONSTRAIN.INSERT
K905076 · Dow Corning Wright · Feb 1991
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K904205 · Depuy, Inc. · Oct 1990