Devices descending from K022020
15 later devices reach Justwo Model Tme-601 Root Apex Locator through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K030526 | Pediguard Nerve Detector System | Spine Vision, Inc. | 2004 | 6 | — |
| +1 | K032743 | Apex NRG | Medicnrg, Ltd. | 2004 | 7 | — |
| +2 | K143159 | Cannulated PediGuard Needle#1, Cannulated PediGuard Needle#2, Cannulated PediGuard… | Spineguard S.A. | 2015 | 4 | — |
| +2 | K123390 | Pediguard Nerve Detector System | Spineguard S.A. | 2013 | 5 | — |
| +2 | K071133 | Apexnrg-Blue Electronic Apex Locator | Medicnrg, Ltd. | 2007 | 4 | — |
| +2 | K063843 | Apexnrg XFR | Medicnrg, Ltd. | 2007 | 5 | — |
| +2 | K053235 | NSK Precision Apex Locator (Pal) | Medicsense USA | 2006 | 0 | — |
| +3 | K201454 | DSG Connect Technology | Spineguard S.A. | 2021 | 1 | — |
| +3 | K152747 | DSG Threaded Drill System | Spineguard S.A. | 2016 | 3 | — |
| +3 | K090598 | Cariescan Pro | Cariescan, Ltd. | 2009 | 1 | — |
| +3 | K080113 | Apex Dal Electronic Apex Locator | Medicnrg, Ltd. | 2008 | 1 | — |
| +4 | K222106 | Waypoint GPS | Waypoint Orthopedics, Inc. | 2023 | 0 | — |
| +4 | K170822 | Electronic Caries Detector | Ortek Therapeutics, Inc. | 2017 | 0 | — |
| +4 | K162884 | SpineGuard DSG Zavation Screw System | Spineguard S.A. | 2017 | 2 | — |
| +4 | K101177 | Apexnrg Rider | Medicnrg, Ltd. | 2010 | 0 | — |