SK Knee System

FDA 510(k) K253961 · Just Medical Devices (Tianjin) Co., Ltd.

Substantially Equivalent

510(k) numberK253961

Submission

Device name
SK Knee System
Applicant
Just Medical Devices (Tianjin) Co., Ltd.
Tianjin, CN
Received
December 10, 2025
Decision date
September 1, 2026
Decision
Substantially Equivalent (SESE)
Type
Traditional 510(k)
Summary
510(k) summary available from FDA

Official FDA 510(k) record

Device classification

Product code
JWH – Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer
Device class
Class II (moderate risk)
Regulation
21 CFR 888.3560
Specialty
Orthopedic
Implant
Yes

Other 510(k)s with product code JWH

510(k)DeviceApplicantDecision
K260063GSPE SpacerJWH · Traditional The General Hospital Corporation, d/b/a…09/11/2026SE
K262293EVOLUTION MPX™ Total Knee SystemJWH · Traditional Suzhou Microport Orthorecon Co., Ltd.09/10/2026SE
K262341b-ONE® Mobio™ Total Knee System Revision Cemented Tibial Augments, Stem Extensions and…JWH · Traditional B-One Ortho, Corp.09/08/2026SE
K262130ATTUNE Revision Knee SystemJWH · Traditional Depuy Orthopaedics, Inc.09/04/2026SE
K261563Freedom Total Knee System (E-Poly Tibial Liners)JWH · Traditional Maxx Orthopedics, Inc.08/07/2026SE
K262251ACTIFY™ Total Knee System, ACTIFY™ 3D Total Knee System (ACTIFY MC Tibial Insert)JWH · Special Globus Medical, Inc.07/31/2026SE
K261734Klassic Infection Spacer SystemJWH · Traditional Total Joint Orthopedics, Inc.07/23/2026SE
K261458ATTUNE Total Knee System; ATTUNE Cementless Knee SystemJWH · Traditional DePuy Ireland UC06/25/2026SE
K261032NovoKnee (SteriKnee)JWH · Special NovoSource04/27/2026SE
K253793Materialise TKA Guide SystemJWH · Special Materialise NV01/06/2026SE

Questions and answers

When was SK Knee System cleared by the FDA?

SK Knee System (K253961) received a 510(k) decision of Substantially Equivalent on September 1, 2026, 265 days after the submission was received.

What is the product code of K253961?

The FDA product code is JWH – Prosthesis, Knee, Patellofemorotibial, Semi-Constrained, Cemented, Polymer/Metal/Polymer, a Class II (moderate risk) device regulated under 21 CFR 888.3560.