Cleared Traditional

K221404 - Identity Imprint Knee Replacement System (including Identity Imprint Posterior Stabilized (PS) KRS and Identity Imprint Cruciate Retaining (CR) KRS)

K221404 is an FDA 510(k) clearance for Identity Imprint Knee Replacement Syste..., manufactured by Conformis, Inc.. The device is a Class 2 Orthopedic device with product code JWH cleared through the Traditional 510(k) pathway after a 71-day FDA review.

K221404 · Conformis, Inc. · Orthopedic device
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Jul 2022
Decision
71d
Days
Class 2
Risk

K221404 is an FDA 510(k) clearance for the Identity Imprint Knee Replacement System (including Identity Imprint Posterio.... Classified as Prosthesis, Knee, Patellofemorotibial, Semi-constrained, Cemented, Polymer/metal/polymer (product code JWH), Class II - Special Controls.

Submitted by Conformis, Inc. (Billerica, US). The FDA issued a Cleared decision on July 26, 2022 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 Conformis, Inc. devices

FDA 510(k) Submission Details - K221404

510(k) Number K221404 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received May 16, 2022
Decision Date July 26, 2022
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.

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
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