Cleared Traditional

K940713 - PCA MODULAR PRIMARY/REVISION PATELLA (FDA 510(k) Clearance)

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

Download Printable Device Report (PDF)
Optimized for regulatory review, auditing and printing
Nov 1994
Decision
266d
Days
Class 2
Risk

K940713 is an FDA 510(k) clearance for the PCA MODULAR PRIMARY/REVISION PATELLA. 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 November 10, 1994 after a review of 266 days - an extended review 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: 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

Submission Details

510(k) Number K940713 FDA.gov
FDA Decision Cleared Substantially Equivalent - NSE Converted (SN)
Date Received February 17, 1994
Decision Date November 10, 1994
Days to Decision 266 days
Submission Type Traditional
Review Panel Orthopedic (OR)
Summary -
Third-party Review No - reviewed directly by FDA
Regulatory Context
Review time vs. panel average
144d slower than avg
Panel avg: 122d · This submission: 266d
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 910
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K940713.
NovoKnee (SteriKnee)
K261032 · NovoSource · Apr 2026
Materialise TKA Guide System
K253793 · Materialise NV · Jan 2026
EMPOWR Knee
K252974 · Encore Medical, L.P. · Dec 2025
ATTUNE™ Total Knee System
K253197 · Depuy Ireland UC · Nov 2025
Freedom Infinia™ Total Knee System
K253314 · Maxx Orthopedics, Inc. · Oct 2025
Freedom® Total Knee System – Titan PCK Components
K253144 · Maxx Orthopedics, Inc. · Oct 2025