Devices descending from K994078
50 later devices reach U1 Hip System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K162957 | U2 Femoral Head | United Orthopedic Corporation | 2017 | 1 | — |
| +1 | K152439 | U2 Bipolar Implant and 22mm Femoral Head | United Orthopedic Corporation | 2016 | 3 | — |
| +1 | K130149 | U2 Hip System, Expanded Indications for Use | United Orthopedic Corporation | 2013 | 0 | — |
| +1 | K111546 | U2 Hip System | United Orthopedic Corp. | 2011 | 13 | 1 |
| +1 | K050262 | U2 Acetabular Component | United Orthopedic Corp. | 2005 | 42 | — |
| +1 | K032730 | Fixion Hip System | Disc-O-Tech Medical Technologies, Ltd. | 2004 | 0 | — |
| +1 | K022520 | U2 Acetabular Cup | United Orthopedic Corp. | 2003 | 14 | — |
| +2 | K253948 | Momentum Acetabular Cup System | United Orthopedic Corporation | 2026 | 0 | — |
| +2 | K242315 | Resolve Modular Revision Hip Stem | United Orthopedic Corporation | 2025 | 0 | — |
| +2 | K221149 | U-Motion II Acetabular System-Extension line | United Orthopedic Corporation | 2023 | 1 | — |
| +2 | K221675 | United U2 femoral head, 22mm delta ceramic head | United Orthopedic Corporation | 2022 | 0 | — |
| +2 | K173455 | SurgTech Bipolar Head System | Surgtech, Inc. | 2018 | 0 | — |
| +2 | K172833 | E-XPE Acetabular Components and U-Motion II Acetabular Cup | United Orthopedic Corporation | 2018 | 2 | — |
| +2 | K163585 | Responsive Orthopedics Total Hip Arthroplasty System | Responsive Orthopedics, LLC | 2017 | 1 | — |
| +2 | K122185 | U-Motion II Acetabular System | United Orthopedic Corp. | 2013 | 7 | — |
| +2 | K123705 | Trinity Non-Occluded Titanium Plasma Sprayed (TPS) Acetabular Shells | Corin USA | 2013 | 23 | 4 |
| +2 | K122504 | Femoral Heads, 2.5 and 7.5 MM Neck Length | United Orthopedic Corporation | 2012 | 3 | — |
| +2 | K121777 | U2 Acetabular Cup, Plasma Spray | United Orthopedic Corp. | 2012 | 9 | 1 |
| +2 | K103352 | Versafitcup CC Trio | Medacta International | 2011 | 4 | — |
| +3 | K251043 | Mpact 3D Metal Implants Extension – DMLS Technology | Medacta International S.A. | 2026 | 0 | — |
| +3 | K250450 | Coated hip implants | Medacta International S.A. | 2025 | 0 | — |
| +3 | K201657 | Corin Ltd. Hip Products: Trinity™ Acetabular System, Trinity™ PLUS Acetabular Shell… | Corin, Ltd. | 2021 | 2 | — |
| +3 | K183129 | Medtronic Total Hip Arthroplasty System | Medtronic Advanced Energy | 2019 | 0 | — |
| +3 | K182321 | MobileLink Acetabular Cup System | Waldemar Link GmbH & Co. KG | 2019 | 8 | — |
| +3 | K170089 | U-Motion II Acetabular System— Additional sizes | United Orthopedic Corporation | 2017 | 2 | — |
| +3 | K163441 | Locking Cage, Full XPE Cup | United Orthopedic Corporation | 2017 | 3 | — |
| +3 | K152893 | Corin Optimized Positioning System (OPS) | Corin USA | 2016 | 8 | — |
| +3 | K142761 | Corin TaperFit Hip Stem | Corin USA | 2015 | 4 | 1 |
| +3 | K132455 | U-Motion II PS+ Cup | United Orthopedic Corp. | 2013 | 3 | — |
| +3 | K122911 | Versafitcup CC Trio Extension | Medacta International | 2012 | 1 | — |
| +3 | K120531 | Versafitcup CC Trio-Additional Liners | Medacta International | 2012 | 2 | — |
| +4 | K261009 | MobileLink Acetabular Cup System – 40mm ID Inserts (various) | Waldemar Link GmbH & Co. KG | 2026 | 0 | — |
| +4 | K241636 | MobileLink Acetabular Cup System - Line Extension (Multiple) | Waldemar Link GmbH & Co. KG | 2024 | 2 | — |
| +4 | K241472 | Icona Hip Stem | Corin U.S.A. Limited | 2024 | 1 | — |
| +4 | K222066 | LINK MobileLink Acetabular Cup System | Waldemar Link GmbH & Co. KG | 2023 | 0 | — |
| +4 | K200607 | LINK MobileLink® Acetabular Cup System - Dual Mobility Liners, and Shell/Insert Adapters | Waldemar Link GmbH & Co. KG | 2021 | 1 | 1 |
| +4 | K202373 | APEX 3D Total Ankle Replacement System | Paragon 28, Inc. | 2020 | 0 | — |
| +4 | K192559 | Acetabular Bone Screws (for MobileLink Acetabular Cup System) | Waldemar Link GmbH & Co. KG | 2019 | 4 | — |
| +4 | K190535 | BiMobile Dual Mobility System - E-Dur Inserts | Waldemar Link GmbH & Co. KG | 2019 | 3 | 1 |
| +4 | K190834 | Corin Optimized Position System Functional Hip Analysis (OPS FHA) | Corin USA | 2019 | 5 | — |
| +4 | K181061 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2018 | 1 | — |
| +4 | K153725 | Corin TaperFit Hip Stem | Corin U.S.A. Limited | 2016 | 3 | — |
| +5 | K261576 | Icona Hip Stem | Corin, Ltd. | 2026 | 0 | — |
| +5 | K243927 | MobileLink Acetabular Cup System - inhouse coatings | Waldemar Link GmbH & Co. KG | 2025 | 0 | — |
| +5 | K211567 | BiMobile Instruments (for BiMobile Dual Mobility System) | Waldemar Link GmbH & Co. KG | 2022 | 0 | — |
| +5 | K193545 | Corin Optimized Positioning System (OPS) Femoral | Corin USA | 2020 | 0 | — |
| +5 | K193042 | Optimized Positioning System (OPS) ReView | Corin USA | 2020 | 0 | — |
| +5 | K192656 | Optimized Positioning System (OPS) Insight | Corin USA | 2020 | 3 | — |
| +6 | K210653 | ONE Planner Hip | Orthosoft D/B/A Zimmer Cas | 2021 | 0 | — |
| +6 | K202805 | Optimized Positioning System (OPS) Insight | Corin USA | 2020 | 0 | — |