Devices descending from K021755
25 later devices reach Apex Medical Digital Tens TS1211, TS1212 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K081141 | Combocare 2000 | Xanacare Technologies, LLC | 2008 | 6 | — |
| +1 | K071869 | Tens/IF 14 | Emsi | 2008 | 0 | — |
| +1 | K071624 | Everelife Transcutaneous Muscle Stimulator | Everlife Medical Equipment Co., Ltd. | 2007 | 0 | — |
| +1 | K061828 | Lorenz Biotech Aptiva, Version 2.13 | Lorenz Biotech S.P.A. | 2007 | 0 | — |
| +1 | K060246 | Infrex | Johari Digital Healthcare, Ltd. | 2006 | 14 | — |
| +1 | K041172 | Basba E-Machine | Basba, Inc. | 2004 | 0 | — |
| +2 | K160246 | SimulCare II (TM) | Xanacare Technologies, LLC | 2016 | 0 | — |
| +2 | K142025 | Neurolumen PN-1000 | Neurolumen, LLC | 2015 | 0 | — |
| +2 | K083822 | Laser Touchone | Laser Health Technologies, LLC | 2009 | 1 | — |
| +2 | K083202 | Combocare 2000 | Xanacare Technologies, LLC | 2008 | 2 | — |
| +2 | K073438 | Prostim 1000/2000 | Bio Protech, Inc. | 2008 | 0 | — |
| +2 | K072123 | Homewave Neuromodulations Pain Therapy Device | Biowave Corporation | 2008 | 11 | — |
| +3 | K161154 | Smartpatch PNS MicroLead and Accessories, Smartpatch PNS Stimulator, Pads, and… | Spr Therapeutics, LLC | 2016 | 9 | — |
| +3 | K102278 | Quadra Bloc Tens Plus | Gradient Technologies, LLC | 2011 | 0 | — |
| +3 | K100116 | Lasertouchone (Otc) | Laser Health Technologies, LLC | 2010 | 0 | — |
| +3 | K090866 | Neurocalm Model 1 and 2 | Neuromed Devices, Inc. | 2009 | 0 | — |
| +4 | K243782 | StimTrial Neuromodulation System | Bioventus, LLC | 2025 | 0 | — |
| +4 | K212859 | First Relief | Dyansys, Inc. | 2021 | 0 | — |
| +4 | K170902 | Sprint System, Single Procedure Kit, Sprint System with Pad II, Single Procedure Kit… | Spr Therapeutics, LLC | 2017 | 7 | — |
| +5 | K181422 | SPRINT Peripheral Nerve Stimulation System, Extensa, SPRINT Peripheral Nerve Stimulation… | Spr Therapeutics, Inc. | 2018 | 6 | — |
| +6 | K202660 | SPRINT PNS System | Spr Therapeutics, Inc. | 2021 | 5 | — |
| +7 | K213188 | Primary Relief | Dyansys, Inc. | 2022 | 1 | — |
| +7 | K211801 | SPRINT PNS System | Spr Therapeutics, Inc. | 2021 | 1 | — |
| +8 | K223306 | SPRINT Peripheral Nerve Stimulation (PNS) System | Spr Therapeutics, Inc. | 2023 | 0 | — |
| +8 | K221425 | Primary Relief | Dyansys, Inc. | 2022 | 0 | — |