Devices descending from K021705
330 later devices reach Modification to Townley Transfacepedicular Screw Fixation System through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K131417 | Facet Fixx | Nexxt Spine, LLC | 2013 | 130 | — |
| +1 | K062254 | Axis Fixation System | Medtronic Sofamor Danek, Inc. | 2008 | 222 | — |
| +2 | K180729 | FaSet Fixation System | Huvexel Co., Ltd. | 2018 | 3 | — |
| +2 | K163374 | ALLY™ Facet Screws | Providence Medical Technology, Inc. | 2017 | 18 | — |
| +2 | K143471 | VERTEX Reconstruction System | Medtronic Sofamor Danek USA, Inc. | 2015 | 165 | — |
| +2 | K142838 | Synapse Occipital-Cervical-Thoracic (OCT) System | Synthes USA Products, LLC | 2015 | 192 | 1 |
| +2 | K141376 | Inertia Pedicle Screw System, Honour Spacer System, Facet Fixx, Struxxure Anterior… | Nexxt Spine, LLC | 2014 | 106 | — |
| +3 | K250866 | Sovereign Posterior Cervical System | Met One Technologies, LLC | 2025 | 1 | — |
| +3 | K233989 | CarboClear® Posterior Cervical Screw System | CarboFix Orthopedics, Ltd. | 2024 | 2 | — |
| +3 | K230840 | PMT Facet Fixation System, Lumbar (PMT FFS-LX) | Providence Medical Technology, Inc. | 2023 | 9 | — |
| +3 | K233078 | Posterior Cervical Spine System | Double Medical Technology, Inc. | 2023 | 1 | — |
| +3 | K230297 | PMT Expandable Cage (PMT EXP) | Providence Medical Technology, Inc. | 2023 | 0 | — |
| +3 | K231799 | INERTIA® CONNEXX™ Modular Pedicle Screw System | Nexxt Spine, LLC | 2023 | 0 | — |
| +3 | K222515 | FaSet Fixation System | Dio Medical Corporation | 2022 | 2 | — |
| +3 | K221905 | INERTIA CONNEXX Modular Pedicle Screw System | Nexxt Spine, LLC | 2022 | 1 | — |
| +3 | K211855 | Ion Facet Screw System | SurGenTec, LLC | 2022 | 10 | — |
| +3 | K203319 | SYMPHONY™ OCT System | Medos International SARL | 2021 | 1 | — |
| +3 | K203149 | M.U.S.T. MINI Posterior Cervical Screws System | Medacta International S.A. | 2020 | 0 | — |
| +3 | K200571 | PERLA® Posterior Occipito-Cervico-Thoracic Fixation System | Spineart | 2020 | 0 | — |
| +3 | K192646 | SYMPHONY™ OCT System | Medos International SARL | 2020 | 2 | — |
| +3 | K200130 | M.U.S.T. MINI Posterior Cervical Screws System | Medacta International S.A. | 2020 | 6 | — |
| +3 | K182837 | M.U.S.T. Mini Extension | Medacta International S.A. | 2019 | 1 | — |
| +3 | K182508 | Saxxony™ Posterior Cervical Thoracic System | Nexxt Spine, LLC | 2018 | 4 | — |
| +3 | K181949 | SYMPHONY™ OCT System | Medos International SARL | 2018 | 10 | — |
| +3 | K181435 | ATEC Cervical Spacer System | Alphatec Spine, Inc. | 2018 | 100 | — |
| +3 | K181350 | ASTRA-OCT Spine System | Spinecraft, LLC | 2018 | 0 | — |
| +3 | K180198 | NuVasive® VuePoint® II OCT System | Nu Vasive, Incorporated | 2018 | 4 | — |
| +3 | K171834 | G Surgical OCT Spinal System | G Surgical, LLC | 2017 | 0 | — |
| +3 | K172594 | Proficient® Posterior Cervical Spine System | Spine Wave, Inc. | 2017 | 12 | — |
| +3 | K171250 | BRIDALVEIL Occipital Cervical Thoracic System | Astura Medical | 2017 | 1 | — |
| +3 | K163375 | INFINITY™ OCT System | Medtronic Sofamor Danek USA, Inc. | 2017 | 16 | 5 |
| +3 | K172139 | Streamline OCT Occipito-Cervico-Thoracic System | Pioneer Surgical Technology, Inc. (Dba Rti Surgical, Inc.) | 2017 | 0 | — |
| +3 | K171444 | YUKON OCT Spinal System | K2m, Inc. | 2017 | 13 | 3 |
| +3 | K171369 | M.U.S.T. MINI Posterior Cervical Screws System | Medacta International S.A. | 2017 | 8 | — |
| +3 | K170804 | The Solstice OCT System | Life Spine, Inc. | 2017 | 3 | — |
| +3 | K162575 | Z-LINKPC System | Zavation, LLC | 2017 | 3 | — |
| +3 | K162639 | Proficient™ Posterior Cervical Spine System | Spine Wave, Inc. | 2017 | 13 | — |
| +3 | K161637 | Poseidon OCT Spinal Fixation System | Medyssey USA, Inc. | 2017 | 0 | — |
| +3 | K161032 | neon3™ universal OCT spinal stabilization | Ulrich GmbH & Co. KG | 2016 | 7 | 1 |
| +3 | K161591 | QUARTEX™ Occipito-Cervico-Thoracic Spinal System, Globus Navigation Instruments | Globus Medical, Inc. | 2016 | 78 | — |
| +3 | K161498 | Streamline OCT Occipito-Cervico-Thoracic System | Pioneer Surgical Technology, Inc. (Dba Rti Surgical, Inc.) | 2016 | 1 | — |
| +3 | K153439 | PathLoc-C Posterior Cervical Fixation System | L&K BIOMED Co., Ltd. | 2016 | 0 | — |
| +3 | K161149 | PASS OCT Spinal System | Medicrea International SA | 2016 | 0 | — |
| +3 | K160697 | Gibralt® Spine System and Gibralt® Occipital Spine System | Exactech, Inc. | 2016 | 5 | — |
| +3 | K153453 | Inertia Pedicle Screw and Deformity Correxxion System | Nexxt Spine, LLC | 2016 | 17 | — |
| +3 | K160756 | PASS OCT Spinal System | Medicrea International SA | 2016 | 0 | — |
| +3 | K153386 | Perla Posterior Cervico-Thoracic Fixation system | Spineart | 2016 | 2 | — |
| +3 | K152211 | PCT System | Centinel Spine, Inc. | 2015 | 0 | — |
| +3 | K152338 | VERTEX (r) Reconstruction System | Medtronic Sofamor Danek USA, Inc. | 2015 | 34 | — |
| +3 | K151938 | S4 Cervical Spinal and Occiput Systems | Aesculap Implant Systems, LLC | 2015 | 2 | — |
| +3 | K150474 | NuVasive VuePoint II OCT System | Nu Vasive, Incorporated | 2015 | 26 | — |
| +3 | K150918 | PASS OCT Spinal System | Medicrea International SA | 2015 | 13 | — |
| +3 | K150650 | neon3 | Ulrich GmbH & Co. KG | 2015 | 10 | 1 |
| +3 | K151885 | SUMMIT SI OCT Spinal Fixation System, MOUNTAINEER OCT Spinal System | Depuy Synthes, Inc. | 2015 | 41 | — |
| +3 | K151705 | Lotus Posterior Cervical/Thoracic Spinal System | Spinal Elements, Inc. | 2015 | 0 | — |
| +3 | K151224 | Lineum OCT Spine System | Biomet Spine | 2015 | 23 | 1 |
| +3 | K151031 | Virage OCT Spinal Fixation System | Zimmer Spine, Inc. | 2015 | 20 | — |
| +3 | K150552 | ELLIPSE and PROTEX CT OCCIPITO-CERVICO-THORACIC SPINAL SYSTEMS | Globus Medical, Inc. | 2015 | 96 | 1 |
| +3 | K150570 | ANAX OCT Spinal System | U&I Corporation | 2015 | 2 | — |
| +3 | K150822 | Centurion POCT System | Orthofix, Inc. | 2015 | 23 | — |
| +3 | K150539 | OASYS System | Stryker Corporation | 2015 | 34 | — |
| +4 | K254260 | The VEGA Cervical Screw System | GS Medical Co., Ltd. | 2026 | 0 | — |
| +4 | K261209 | Ion-L | SurGenTec, LLC | 2026 | 0 | — |
| +4 | K253195 | TAURUS Posterior Occipital-Cervico-Thoracic Spinal Systems | ZheJiang Decans Medical Devices Co., Ltd. | 2026 | 0 | — |
| +4 | K254045 | CarboClear® Posterior Cervical Screw System; CarboClear® Hybrid Posterior Cervical Screw… | CarboFix Orthopedics, Ltd. | 2026 | 0 | — |
| +4 | K254165 | Infinity™ OCT System | Medtronic Sofamor Danek USA, Inc. | 2026 | 0 | — |
| +4 | K251714 | Ion-C | SurGenTec, LLC | 2026 | 0 | — |
| +4 | K253190 | CORUS-LX Implant | Providence Medical Technology, Inc. | 2025 | 0 | — |
| +4 | K252327 | CMORE® CT System; CMORE® CT System Navigated Instruments | Icotec AG | 2025 | 1 | — |
| +4 | K253129 | Infinity™ OCT System | Medtronic Sofamor Danek USA, Inc. | 2025 | 0 | — |
| +4 | K252153 | FFX Facet Fixation System | Sc Medica | 2025 | 2 | — |
| +4 | K251885 | CAVUX Facet Fixation System (CAVUX FFS) and CORUS-LX Implant | Providence Medical Technology, Inc. | 2025 | 1 | — |
| +4 | K251725 | ANAX™ OCT Spinal System | Cg Medtech Co., Ltd. | 2025 | 0 | — |
| +4 | K242674 | Freedom Posterior Cervical Screws | Signature Orthopaedics Pty, Ltd. | 2025 | 0 | — |
| +4 | K243865 | AERO MIS Facet Fusion System | Aurora Spine | 2025 | 0 | — |
| +4 | K243265 | Ion 3D | SurGenTec, LLC | 2024 | 1 | — |
| +4 | K242516 | EUROPA™ Posterior Cervical Fusion System | MiRus, LLC | 2024 | 2 | — |
| +4 | K242069 | Eminent Spine Scoliosis Deformity Pedicle Screw System | Eminent Spine | 2024 | 0 | — |
| +4 | K232468 | SC Medica FFX | Sc Medica | 2024 | 3 | — |
| +4 | K240085 | zLOCK Lumbar Facet Fixation System | Zygofix, Ltd. | 2024 | 2 | — |
| +4 | K231850 | QUARTEX® Occipito-Cervico-Thoracic Spinal System ExcelsiusGPS® Instruments | Globus Medical, Inc. | 2024 | 2 | — |
| +4 | K240086 | Ion 3D | SurGenTec, LLC | 2024 | 3 | — |
| +4 | K232877 | FaSet Fixation System, UNITY Sacroiliac Joint Fixation System, Huvex Interspinous… | K&J Consulting Corporation | 2023 | 1 | — |
| +4 | K233332 | Statera-C™ Spinal System | K&J Consulting Corp. | 2023 | 0 | — |
| +4 | K233366 | SYMPHONY OCT System | Medos International SARL | 2023 | 0 | — |
| +4 | K232605 | Sacrix® Sacroiliac Joint Fusion Device System, Inspan® ScrewLES Fusion System, Invue®… | Lesspine Innovations | 2023 | 0 | — |
| +4 | K231811 | Zavation Connector System | Zavation Medical Products, LLC | 2023 | 0 | — |
| +4 | K221307 | Edge Upper Cervical System | Spinal Simplicity, LLC | 2023 | 0 | — |
| +4 | K230614 | Cortium™ | Ulrich Medical USA | 2023 | 0 | — |
| +4 | K223764 | INFINITY OCT System | Medtronic Sofamor Danek USA, Inc. | 2023 | 0 | — |
| +4 | K220658 | COSY Cervicothoracic Occipital Rod-Screw System | Signus Medizintechnik GmbH | 2022 | 0 | — |
| +4 | K222107 | Black Diamond™ POCT Spinal System | Osseus Fusion Systems | 2022 | 0 | — |
| +4 | K213871 | Ennovate Cervical Spinal and Occiput System | Aesculap Implant Systems, LLC | 2022 | 0 | — |
| +4 | K220570 | M.U.S.T. MINI Posterior Cervical Screws System Extension | Medacta International S.A. | 2022 | 0 | — |
| +4 | K220810 | Infinity™ OCT System and PASS OCT Spinal System | Medicrea International | 2022 | 0 | — |
| +4 | K220025 | ARx® Spinal System | Life Spine, Inc. | 2022 | 0 | — |
| +4 | K213654 | NuVasive Reline Cervical System | Nu Vasive, Incorporated | 2022 | 1 | — |
| +4 | K211805 | IdentiTi Porous Ti Interbody System, Transcend PEEK Interbody System, IdentiTi NanoTec… | Alphatec Spine, Inc. | 2021 | 38 | — |
| +4 | K211957 | QUARTEX Occipito-Cervico-Thoracic Spinal System, Globus Navigation Instruments | Globus Medical, Inc. | 2021 | 3 | — |
| +4 | K211993 | Z-LINKPC System | Zavation Medical Products, LLC | 2021 | 0 | — |