Cleared Traditional

K971550 - KINEMATIC ALL-POLYETHYLENE PATELLA WITH...

K971550 is the FDA 510(k) clearance for KINEMATIC ALL-POLYETHYLENE PATELLA WITH... by Howmedica Corp.. It is a Class 2 Orthopedic device (product code JWH) cleared through the Traditional 510(k) pathway after a 71-day FDA review.

K971550 · Howmedica Corp. · Orthopedic device
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Jul 1997
Decision
71d
Days
Class 2
Risk

K971550 is an FDA 510(k) clearance for the KINEMATIC ALL-POLYETHYLENE PATELLA WITH THREE PEGS. 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 July 8, 1997 after a review of 71 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 K971550 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 28, 1997
Decision Date July 08, 1997
Days to Decision 71 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary Summary PDF
Third-party Review No - reviewed directly by FDA
Combination Product No
PCCP Authorized No
Regulatory Context
Review time vs. panel average
51d faster than avg
Panel avg: 122d · This submission: 71d
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 766
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K971550.
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K970758 · Howmedica Corp. · May 1997
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K970498 · Intermedics Orthopedics · Apr 1997