GEMINI SL Total Knee System, Endo-Model Knee System, and Sled Knee System with LINK PorEx (TiNbN) inhouse coating
by WALDEMAR LINK GmbH & Co. KG EUDAMED510(k)GUDID
Active Open recall
510(k) K212742Ref 318-102/02, 318-377/03Model Femoral component, cemented, CoCrMo, fixed bearing CR / mobile bearing, Tibial component, TiCaP coating, CoCrMo, uncemented, fixed bearing, modular
Regulatory status
Recall ongoing. 22 ongoing FDA recalls name this device. See recalls
| Region | Authorization | Number | Date | Status |
|---|---|---|---|---|
| European Union | CE/MDR EUDAMED | Number4026575-1-KNP-200001-U2 | Date25 Jun 2026 | StatusActive |
| United States | FDA 510(k)SESE 510(k) | NumberK212742 | Date16 Sep 2021 | StatusActive |
| United States | GUDID listing GUDID | Number04026575311316 | Date17 Apr 2019 | StatusListed |
Coverage
- Active
- Expiring
- Withdrawn
- Listed
- Not covered
- European Union
- United States
Certificates
- 13803GB450251029 Active
Technical documentation EU MDR
- Notified body
- DNV MEDCERT GmbH 0482
- Issued
- 29 Oct 2025
- Expires
- 17 Jan 2029
- Reason
- Add device or group
Recalls
-
- Ongoing Z-2410-2024
- Ongoing Z-2411-2024
Blind screws of the modular tibial component cannot be loosened intraoperatively,prolongation surgery due to intraoperatively change in procedure, probably to cementing technique
-
- Ongoing Z-1543-2023
- Ongoing Z-1549-2023
- Ongoing Z-1551-2023
- Ongoing Z-1552-2023
- Ongoing Z-1540-2023
- Ongoing Z-1548-2023
- Ongoing Z-1550-2023
- Ongoing Z-1553-2023
- Ongoing Z-1554-2023
- Ongoing Z-1545-2023
- Ongoing Z-1541-2023
- Ongoing Z-1544-2023
- Ongoing Z-1547-2023
- Ongoing Z-1542-2023
- Ongoing Z-1539-2023
- Ongoing Z-1546-2023
Additional Label Warnings: Amendment / reinforcement of the Surgical Technique and future product training on the updated technique, due to early aseptic loosening or increased wear of the implant caused by suboptimal positioning of the implant or inadequate cementing technique leading to an unsatisfactory surgical result, and in the worst case, intervention or revision earlier than expected
-
- Ongoing Z-1380-2022
- Ongoing Z-1377-2022
- Ongoing Z-1379-2022
- Ongoing Z-1378-2022
There is a risk that blind screws of the modular tibial component cannot be loosened intraoperatively. This may lead to prolongation of surgery due to an intraoperative change in procedure.
Specification
- Trade Name
- Gemini SL
- Generic Name
- Uncoated knee femur prosthesis, metallic
- Model / Ref / Catalog
- 318-102/02, Femoral component, cemented, CoCrMo, fixed bearing CR / mobile bearing, Tibial component, TiCaP coating, uncemented, fixed bearing, modular, 318-377/03
- Primary DI / UDI-DI
- 04026575311316, 04026575372997
- Basic UDI-DI
- 4026575-1-KNP-200001-U2, 4026575-1-KNP-200012-UA
- FDA Product Code
- JWH
- EMDN Code
- P0909030101, P090903020105
- GMDN Term
- Uncoated knee femur prosthesis, metallic
- Device Class
- Class III EUDAMEDClass II 510(k)GUDID
- Regulation
- 21 CFR Part 888.3560
- Market of Registration
- Germany
- Advisory Committee
- Orthopedic
- FDA Decision
- SESE Substantially Equivalent
- GUDID distribution status
- In Commercial Distribution
Truth per registry
| Field | EUDAMED | 510(k) | GUDID |
|---|---|---|---|
| 510(k) Number | n/a | K212742 | K182872 |
| Device Class | Class III | Class II | Class II |
Overview
AI-generated summary, 18 Sep 2026
The GEMINI SL Total Knee System is a modular orthopedic implant designed for total knee arthroplasty. It includes the Endo-Model Knee System and Sled Knee System, featuring a proprietary LINK PorEx (TiNbN) inhouse coating for enhanced biocompatibility and performance. The system is engineered to address degenerative joint diseases, providing structural support and improved mobility for patients with severe arthrosis or arthritis. Its modular components allow customisation for primary and revision surgeries, ensuring compatibility across the LINK SL Knee Family concept.
This system is supplied as a sterile, single-use orthopedic implant intended for surgical use in controlled clinical environments. The LINK PorEx (TiNbN) coating is applied in-house to improve osseointegration and reduce wear. The device is classified as FDA Class II with a Special 510(k) clearance (K212742) and complies with the EU Medical Device Regulation (MDR). Components are designed for MRI safety and are available in predefined sizes to match anatomical requirements, with storage and handling following standard orthopedic implant protocols.
Other devices from WALDEMAR LINK GmbH & Co. KG
Questions
AI-generated answers, 18 Sep 2026
What types of knee surgeries is the GEMINI SL Total Knee System designed for, and how does its modularity benefit patients?
The GEMINI SL Total Knee System is designed for total knee arthroplasty, including both primary and revision surgeries. Its modular components allow for customization to fit individual anatomical needs, ensuring better alignment and function. This adaptability supports patients with severe degenerative joint diseases like arthrosis or arthritis, providing tailored structural support and improved mobility.
Is the GEMINI SL Total Knee System reusable, or is it intended for single-use in the operating room?
The GEMINI SL Total Knee System is explicitly sterile and intended for single-use in surgical settings. This aligns with standard orthopedic implant protocols to ensure patient safety and sterility during procedures.
What special coating does the GEMINI SL system feature, and why is it included?
The system includes the LINK PorEx (TiNbN) inhouse coating, which is applied to enhance biocompatibility and osseointegration—meaning it promotes better bone attachment to the implant. This coating also helps reduce wear, improving long-term performance and durability for patients.
How are the components of the GEMINI SL system sized, and can they be used with other LINK knee implants?
The components come in predefined sizes to match anatomical requirements, ensuring proper fit and function. They are designed to be compatible with the broader LINK SL Knee Family concept, allowing seamless integration with other implants in the same system for consistent surgical planning.
What regulatory pathways does the GEMINI SL Total Knee System follow, and what does that mean for its use in the U.S. and EU?
The system follows FDA 510(k) clearance (K212742) under a Special 510(k) pathway, classified as FDA Class II, and complies with the EU Medical Device Regulation (MDR). This means it has undergone regulatory review for safety and effectiveness in both markets, ensuring it meets stringent standards for orthopedic implants.
Properties
Other properties (17)
- Reusable: No
- Contains Latex: No
- Reprocessed: No
- Human-derived: No
- Human Tissues: No
- Animal Tissues: No
- Endocrine Disruptor: No
- Administering Medicine: No
- Measuring Function: No
- Incorporates Medicinal Product: No
- Over-the-Counter: No
- Convenience Kit: No
- Combination Product: No
- HCT/P: No
- Premarket Exempt: No
- Lot / Batch Number: No
- Manufacturing Date: No