Cleared Special

K231233 - Identity™ Imprint™ CR KRS and Identity™ Imprint™ PS KRS

K231233 is an FDA 510(k) clearance for Identity Imprint CR KRS and Identity Im..., manufactured by Conformis, Inc.. The device is a Class 2 Orthopedic device with product code JWH cleared through the Special 510(k) pathway after a 28-day FDA review.

K231233 · Conformis, Inc. · Orthopedic device
Download Printable Device Report (PDF) Official FDA 510(k) Summary (PDF)
Optimized for regulatory review, auditing and printing
May 2023
Decision
28d
Days
Class 2
Risk

K231233 is an FDA 510(k) clearance for the Identity™ Imprint™ CR KRS and Identity™ Imprint™ PS KRS. 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 May 26, 2023 after a review of 28 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. As a Special 510(k), this submission covers a manufacturer modification to an existing cleared device rather than a new device introduction.

Device pattern: Iterative device modification. Low regulatory complexity profile. This Special 510(k) clearance confirms that the manufacturer's modifications remained within the established regulatory envelope of the original cleared device.

FDA 510(k) Submission Details - K231233

510(k) Number K231233 FDA.gov
FDA Decision Cleared Substantially Equivalent - Traditional 510(k) (SESE)
Date Received April 28, 2023
Decision Date May 26, 2023
Days to Decision 28 days
Submission Type Special
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
94d faster than avg
Panel avg: 122d · This submission: 28d
Pathway characteristics
Modification to existing cleared device.

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 921
Devices cleared under the same product code (JWH) and FDA review panel - the closest regulatory comparables to K231233.
iTotal Identity Knee Replacement System
K230846 · Conformis, Inc. · Jul 2023
MyKnee UNI-ST
K231037 · Medacta International S.A. · Jun 2023
Triathlon® Total Knee System - Triathlon® Pro Posterior Stabilized (PS) Femoral Component
K230952 · Howmedica Osteonics Corp., Dba Stryker Orthopaedics · Jun 2023
Klassic Knee Revision System
K230537 · Total Joint Othopedics, Inc. · May 2023
Smith & Nephew, Inc. ANTHEM Total Knee System, Genesis Uni Knee System, JOURNEY BCS and II Knee Systems, JOURNEY II CR Knee System, JOURNEY II Uni Knee System, Journey II UK Knee System, JOURNEY II XR Bi-Cruciate Retaining Knee System, JOURNEY PFJ System, JOURNEY Uni Knee System, Legion Hinge Total Knee System, Legion Total Knee System, ZUK Unicompartmental Knee System, ENGAGE Partial Knee System and Porous Patella and Porous Tibial Baseplates
K230653 · Smith & Nephew, Inc. · May 2023
Identity Imprint Cruciate Retaining (CR) Knee Replacement System (KRS) with Cruciate Sacrificing (CS) Insert
K230844 · Conformis, Inc. · Apr 2023
K231233 · Identity™ Imprint™ CR KRS and Identity™ Imprint™ PS KRS
Download PDF FDA Summary Conformis, Inc.