Devices descending from K021661
32 later devices reach Ringloc Constrained Liners through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K030923 | Epsilon Durasul Constrained Acetabular Liner | Centerpulse Orthopedics, Inc. | 2003 | 31 | — |
| +2 | K200823 | Zimmer, Inc. Hip Joint Prostheses MR Labeling I | Zimmer, Inc. | 2020 | 1 | 1 |
| +2 | K092265 | Vesafitcup Double Mobility- Highcross Hxuhmwpe Liners | Medacta International S.A. | 2010 | 23 | — |
| +2 | K071718 | Trilogy Longevity Constrained Liner | Zimmer, Inc. | 2007 | 28 | 1 |
| +2 | K040601 | Exactech Acumatch a-Series & MCS Constrained Acetabular Liners | Exactech, Inc. | 2004 | 1 | 1 |
| +3 | K241461 | Mpact Constrained Liner | Medacta International S.A. | 2025 | 1 | — |
| +3 | K250834 | Zimmer Biomet Ceramic Heads (22.2mm diameter) | Zimmer Biomet | 2025 | 0 | — |
| +3 | K241767 | Versacem Acetabular Shell and Double Mobility HC Liners | Medacta International S.A. | 2025 | 0 | — |
| +3 | K143453 | Mpact Double Mobility System | Medacta International | 2015 | 1 | — |
| +3 | K131458 | Mpact DM Liner Converter | Medacta International | 2013 | 3 | — |
| +3 | K120531 | Versafitcup CC Trio-Additional Liners | Medacta International | 2012 | 2 | — |
| +3 | K103721 | Mpact Acetabular System | Medacta International | 2011 | 21 | — |
| +3 | K103352 | Versafitcup CC Trio | Medacta International | 2011 | 4 | — |
| +3 | K101730 | Longevity IT Highly Crosslinked Polyethylene Constrained Liners | Zimmer, Inc. | 2010 | 2 | — |
| +3 | K093561 | Zimmer Trabecular Metal Modular Acetabular System | Zimmer, Inc. | 2010 | 0 | — |
| +3 | K071676 | Exactech Novation Crown Cup Constrained Liners and Rings | Exactech, Inc. | 2007 | 0 | 2 |
| +4 | K260173 | M-Vizion Femoral Revision System Extension | Medacta International S.A. | 2026 | 0 | — |
| +4 | K253630 | Mpact 3D Metal Foam | Medacta International S.A. | 2026 | 0 | — |
| +4 | K251043 | Mpact 3D Metal Implants Extension – DMLS Technology | Medacta International S.A. | 2026 | 0 | — |
| +4 | K250450 | Coated hip implants | Medacta International S.A. | 2025 | 0 | — |
| +4 | K230011 | Mpact Extension | Medacta International S.A. | 2023 | 3 | — |
| +4 | K211891 | DM Converter - TiN coated | Medacta International S.A. | 2022 | 0 | — |
| +4 | K202568 | Mpact® 3D Metal Implants - DMLS Technology | Medacta International S.A. | 2021 | 1 | — |
| +4 | K200391 | MPACT Extension | Medacta International S.A. | 2021 | 0 | — |
| +4 | K183582 | MPACT Extension | Medacta International S.A. | 2019 | 4 | — |
| +4 | K171966 | Mpact® 3D Metal™ Implants and Augments 3D Metal™ | Medacta International S.A. | 2018 | 3 | — |
| +4 | K132879 | Mpact Extension | Medacta International | 2014 | 11 | — |
| +4 | K122783 | Plasmafit Acetabular Cup and Vitelene Insert | Aesculap Implant System, Inc. | 2013 | 0 | — |
| +4 | K122911 | Versafitcup CC Trio Extension | Medacta International | 2012 | 1 | — |
| +4 | K122641 | Mpact Extension | Medacta International | 2012 | 14 | — |
| +4 | K111145 | Endo Head | Medacta International | 2011 | 0 | — |
| +5 | K242232 | Mpact 3D Metal Augments II | Medacta International S.A. | 2025 | 0 | — |