Cleared Traditional

K140833 - ITOTAL POSTERIOR STABILIZED (PS) KNEE R...

K140833 is the FDA 510(k) clearance for ITOTAL POSTERIOR STABILIZED (PS) KNEE R... by Conformis, Inc.. It is a Class 2 Orthopedic device (product code JWH) cleared through the Traditional 510(k) pathway after a 89-day FDA review.

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Jun 2014
Decision
89d
Days
Class 2
Risk

K140833 is an FDA 510(k) clearance for the ITOTAL POSTERIOR STABILIZED (PS) KNEE REPLACEMENT SYSTEM. Classified as Prosthesis, Knee, Patellofemorotibial, Semi-constrained, Cemented, Polymer/metal/polymer (product code JWH), Class II - Special Controls.

Submitted by Conformis, Inc. (Bedford, US). The FDA issued a Cleared decision on June 30, 2014 after a review of 89 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 Conformis, Inc. devices

Submission Details

510(k) Number K140833 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 02, 2014
Decision Date June 30, 2014
Days to Decision 89 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
33d faster than avg
Panel avg: 122d · This submission: 89d
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 786
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K140833.
GMK SPHERE EXTENSION
K140826 · Medacta International · Jul 2014
EXPRT REVISION KNEE
K140830 · Encore Medical, L.P. · Jul 2014
E1 SERIES A PATELLAE, STANDARD 3-PEG, E1 SERIES A PATELLAE, THIN 3-PEG, E1 SERIES PATELLAE, ASYMMETRICAL, 3-PEG
K140902 · Biomet, Inc. · Jul 2014
JOURNEY II BCS CONSTRAINED INSERTS
K140555 · Smith & Nephew, Inc. · May 2014
ITOTAL CRUCIATE RETAINING (CR) KNEE REPLACEMENT SYSTEM
K140423 · Conformis, Inc. · May 2014
ZIMMER PATIENT SPECIFIC INSTRUMENTS/ SYSTEM/PLANNER
K140027 · Materialise NV · May 2014