Devices descending from K121719
30 later devices reach SM Tens & PMS through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K201354 | Tens & PMS | Hong Qiangxing (Shenzhen) Electronics Limited | 2020 | 1 | — |
| +1 | K190009 | Sunmas TENS & PMS (Model SM9187, SM9180L, SM9180S) | Hong Qiangxing (Shenzhen) Electronics Limited | 2019 | 0 | — |
| +1 | K133929 | Health Expert Elctronic Stimulator | Shenzhen Osto Technology Company Limited | 2014 | 26 | — |
| +2 | K241678 | TENS & EMS Stimulator (MHD-1083) | Shenzhen Minghuangda Electronics Co., Ltd. | 2024 | 0 | — |
| +2 | K241119 | Transcutaneous Electrical Nerve Stimulator (K6106) | Shenzhen Yicai Health Technology Co., Ltd. | 2024 | 0 | — |
| +2 | K240292 | Transcutaneous Electrical Nerve Stimulator (9029SCM) | Hong Kong Etech Groups Limited | 2024 | 0 | — |
| +2 | K232439 | Electrical Stimulator System | Gymmax Technology Shenzen Co., Ltd. | 2024 | 0 | — |
| +2 | K191982 | Low-Frequency Multi-function Physiotherapy Instrument (Model: KTR-2230, KTR-2220… | Shenzhen Kentro Medical Electronics Co., Ltd. | 2020 | 2 | — |
| +2 | K190783 | Health Expert Electronic Stimulator (model: AST-300L) | Shenzhen Osto Technology Company Limited | 2020 | 6 | — |
| +2 | K190673 | Health Expert Electronic Stimulator | Shenzhen Osto Technology Company Limited | 2019 | 1 | — |
| +2 | K183674 | Electronic Pulse Stimulator | Shenzhen Leading Perfection Technology Co., Ltd. | 2019 | 0 | — |
| +2 | K182136 | Intelligent Wireless Fitness Apparatus (Model: AST-301, AST-302, AST-303) | Shenzhen Osto Technology Co., Ltd. | 2019 | 0 | — |
| +2 | K183103 | EMS Belt (Model MC0485) | Dongguan Yingfeng Metal & Plastic Products Co., Ltd. | 2019 | 0 | — |
| +2 | K172897 | Neck Care Therapy, Model: SYK 509B | Shenzhen Osto Technology Co., Ltd. | 2018 | 3 | — |
| +2 | K172837 | Low-frequency Multi-function physiotherapy instrument | Shenzhen Osto Technology Co., Ltd. | 2018 | 0 | — |
| +2 | K172834 | Dual output digital therapy massager | Shenzhen Osto Technology Co., Ltd. | 2018 | 0 | — |
| +2 | K163611 | Pain Therapy Device | Guangzhou Xinbo Electronic Co., Ltd. | 2017 | 2 | — |
| +2 | K170205 | Low-Frequency Therapy Instrument /Model: KTR-201, KTR-202, KTR-203 | Shenzhen Kentro Medical Electronics Co., Ltd. | 2017 | 0 | — |
| +2 | K152128 | 2-in-1 Abdominal Muscle Training & Back Pain Relief System | Tohkai Precision Electrical Manufactory (Shenzhen) Limited | 2015 | 0 | — |
| +3 | K230443 | TENS & EMS Device (LY-ET-01, LY-ET-02, LY-ET-04) | Jiangxi Royall Smart Technology Co., Ltd. | 2023 | 0 | — |
| +3 | K223428 | Electronic Stimulator (Models: uLumb-9530A, uLumb-9531A, uLumb-9532A, uLumb-9533A… | Shenzhen Leqing Medical Instrument Co., Ltd. | 2023 | 0 | — |
| +3 | K221092 | Transcutaneous Electrical Nerve Stimulator Model: ST-304 | Shenzhen Future Electronic Co., Ltd. | 2022 | 0 | — |
| +3 | K221251 | Ems Foot Stimulator (model: HK701, HK701A, HK701B, HK701C) | Guangzhou Huakai Electronic Technology Co., Ltd. | 2022 | 0 | — |
| +3 | K211942 | Heating Lumbar Therapy Cushion (Model: AST-622, AST-622B, AST-623, AST-623B) | Shenzhen Osto Technology Company Limited | 2021 | 1 | — |
| +3 | K212989 | Low-frequency Stimulator (Model: AST-645, AST-646) | Shenzhen Osto Technology Co., Ltd. | 2021 | 0 | — |
| +3 | K200558 | Smart Neck Stimulator | Guandong Skg Intelligent Technology Co., Ltd. | 2021 | 0 | — |
| +3 | K211736 | Electronic Muscle Stimulator (Model: AST-300A, AST-300N, AST-300S, AST-300T, AST-300V… | Shenzhen Osto Technology Company Limited | 2021 | 0 | — |
| +3 | K210756 | Neck Care Therapy, Model: AST-905A, AST-905D, AST-905H | Shenzhen Osto Technology Company Limited | 2021 | 1 | — |
| +3 | K200177 | Low-frequency Multi-function physiotherapy instrument | Shenzhen Kentro Medical Electronics Co., Ltd. | 2021 | 0 | — |
| +3 | K200237 | Transcutaneous Electronic Nerve Stimulator | Shenzhen Kentro Medical Electronics Co., Ltd. | 2020 | 0 | — |