Devices descending from K941577
118 later devices reach Dynatron 550 through their predicates, nearest generation first.
| Generation | Number | Device | Applicant | Decided | Own descendants | Recalls |
|---|---|---|---|---|---|---|
| +1 | K031329 | Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe (Optional… | Dynatronics Corp. | 2003 | 37 | — |
| +1 | K981976 | Acutron Mentor Model 961 | Microcurrent Research, Inc. | 1998 | 79 | — |
| +2 | K120835 | Dynatron Thermostim Probe-Done | Dynatronics Corporation | 2012 | 1 | — |
| +2 | K113250 | Dynatron Tri-Wave Light Pad Dynatron Tri-Wave Light Probe | Dynatronics Corp. | 2012 | 0 | — |
| +2 | K062256 | HF54 Combination Ultrasound Interferential and Premodulated Stimulation System | Hill Laboratories Co. | 2007 | 2 | — |
| +2 | K051680 | Dynatron DX2 Traction Unit | Dynatronics Corp. | 2005 | 0 | — |
| +2 | K051261 | Dynatron X3 , Dynatron XP IR Light Pad, D405 IR Light Probe | Dynatronics Corp. | 2005 | 1 | — |
| +2 | K043586 | Laser Sys*Stim 540, Model ME 540 | Mettler Electronics Corp. | 2005 | 13 | — |
| +2 | K040729 | Solaris D890 Therapy Probe | Dynatronics Corp. | 2004 | 28 | — |
| +2 | K990787 | TRIO 300 | Ito Co., Ltd. | 1999 | 78 | — |
| +3 | K132057 | Dynatron Peltier Thermostim Probe | Dynatronics Corp. | 2014 | 0 | — |
| +3 | K113017 | Sys*Stim 240 | Mettler Electronics Corp. | 2012 | 9 | — |
| +3 | K072256 | HF54 Combination Ultrasound Interferential and Premodulated Stimulation System with… | Hill Laboratories Co. | 2008 | 1 | — |
| +3 | K060134 | Apollo IR Heat Lamp System | Apollo Physical Therapy Products International | 2006 | 1 | 1 |
| +3 | K053201 | Curae'lase CL1000 IR Laser System | Curae'Lase, Inc. | 2005 | 0 | — |
| +3 | K052647 | Clini-Lase System, Models CL-Base, CL-2000, CL-1200, CL-500, CL-300, CL-275, CL-155… | American Spine Center, Ltd. | 2005 | 2 | — |
| +3 | K052182 | Shian Jia Meei Two Channel Digital T.E.N.S. | Shian Jia Meei Enterprise Co., Ltd. | 2005 | 27 | — |
| +3 | K050070 | K-Laser, Models 3,4,4D,6D | Eltech S.R.L | 2005 | 12 | — |
| +3 | K023231 | Elfcare Device, Models 314A Through 314G | Mediseb, Ltd. | 2003 | 63 | — |
| +3 | K013167 | MODEL7500 Microcurrent Tens Device, MCT-F5, MCT-F50, MCT-F500 | Newcare Products, LLC | 2002 | 13 | — |
| +4 | K223802 | accufit | Mettler Electronics Corporation | 2023 | 5 | — |
| +4 | K213655 | HiTop® (Models: HiToP®4touch, HiToP®2touch, HiToP®1touch) | Hilltek, LLC | 2023 | 1 | — |
| +4 | K212618 | iRelieve Microcurrent Pain Relief System | Fast Track Technologies, Inc. | 2022 | 0 | — |
| +4 | K151995 | Painmaster MCT Patch | Newmark, Inc. | 2016 | 0 | — |
| +4 | K150466 | ZX2 Laser System | Lzr7, Inc. | 2015 | 0 | — |
| +4 | K132529 | Gallieon-1 Medical Laser | Future Device and Technology, Inc. | 2014 | 0 | — |
| +4 | K123177 | Stimlase 2000 Low Level Laser Therapy System | Laserstim, Inc. | 2013 | 0 | — |
| +4 | K090250 | Electro-Light Therapy | Hill Laboratories Co. | 2010 | 0 | — |
| +4 | K091497 | K-Laser K-1200, Model 12 W | Eltech S.R.L | 2009 | 7 | — |
| +4 | K090042 | Painmaster MCT Patch | Newmark, Inc. | 2009 | 11 | — |
| +4 | K083560 | Expanded Spectrum Photo Therapy Device, Model Espt-3X | Lighthouse Technical Innovations, Inc. | 2008 | 1 | — |
| +4 | K072152 | Juniper CLN1 Dermal Cooling Device | Juniper Medical, Inc. | 2007 | 34 | — |
| +4 | K070299 | Ezfit Digital Heating Tens (Model NO.: HR-661/UC-101) | Ezfit Technology, Inc. | 2007 | 26 | — |
| +4 | K070400 | LC Therapy, Model LCT-1000 | Litecure, LLC | 2007 | 8 | — |
| +4 | K063715 | Juniper Cooling Device Xtra | Juniper Medical, Inc. | 2007 | 35 | — |
| +4 | K061656 | Laser-D68 | Laser Pain Clinics LP | 2006 | 5 | — |
| +5 | K252816 | High Tone Power therapy (HiToP) (Model: HiToP PNP) | Mohammadali Nezakati | 2026 | 0 | — |
| +5 | K233926 | accufit | Mettler Electronics Corporation | 2024 | 4 | — |
| +5 | K162517 | Electronic Pulse Stimulator Model: PL-029K12 and PL-029K13 | Jkh Health Co., Ltd. | 2017 | 25 | — |
| +5 | K151034 | PainKARE | Triowave Technologies | 2015 | 0 | — |
| +5 | K141564 | Opton Pro | Zimmer Medizinsystems GmbH | 2014 | 0 | — |
| +5 | K130114 | Painmaster MCT Patch | Newmark, Inc. | 2013 | 5 | — |
| +5 | K120500 | The Pain Pilot (a.K.a Pain Pilot) | Hollywog, LLC | 2012 | 4 | — |
| +5 | K120604 | K-Laser | Eltech S.R.L | 2012 | 4 | — |
| +5 | K103511 | Litecure Therapy System | Litecure, LLC | 2011 | 0 | — |
| +5 | K080118 | Zeltiq Aesthetics CLN1 Dermal Cooling Device | Zeltiq Aesthetics | 2008 | 33 | — |
| +6 | K251594 | truFlex | Syrma Johari Medtech Limited | 2025 | 0 | — |
| +6 | K241685 | SofWave System | Sofwave Medical, Ltd. | 2024 | 2 | — |
| +6 | K211403 | HIVOX OTC Electrical Stimulator, FT610-B | Hivox Biotek, Inc. | 2021 | 3 | — |
| +6 | K203574 | HIVOX OTC Electrical Stimulator, EM59-l, HIVOX OTC Electrical Stimulator, EM59-2 | Hivox Biotek, Inc. | 2021 | 4 | — |
| +6 | K200561 | StimPlus Patch, StimPlus Patch, StimPlus Patch | Jkh Health Co., Ltd. | 2020 | 2 | — |
| +6 | K193275 | Nerve and Muscle Stimulator | Shenzhen Xft Medical Limited | 2020 | 2 | — |
| +6 | K192733 | RelieforMe TENS/EMS Device Model UPK-GE01 | Umeheal, Ltd. | 2019 | 1 | — |
| +6 | K182671 | Medi-Direct TENS Pen | Jkh USA, LLC | 2019 | 0 | — |
| +6 | K182203 | JKH Stimulator Plus | Jkh USA, LLC | 2019 | 7 | — |
| +6 | K182267 | PAT (Pain Alleviation Technologies) | Marchan Medical, LLC | 2019 | 0 | — |
| +6 | K171087 | AXON IR Heat Lamp | Crystal Medtech, LLC | 2017 | 0 | — |
| +6 | K161198 | Lumix Ultra 1, Lumix Ultra 2, Lumix Ultra 3 | Usa Laser Biotech, Inc. | 2016 | 0 | — |
| +6 | K160947 | LUMIX CPS 1 IR Lamp System LUMIX CPS 2 IR Lamp System LUMIX CPS 3 IR Lamp System LUMIX… | Usa Laser Biotech, Inc. | 2016 | 0 | — |
| +6 | K152852 | ALEVE Direct Therapy (ALEVE Direct Therapy TENS device) | Bayer Healthcare, LLC | 2015 | 2 | — |
| +6 | K151521 | Phoenix Thera-Lase System | Phoenix Thera-Lase Systems, LLC | 2015 | 0 | — |
| +6 | K133789 | Dolphin Neurostim Otc | Acumed Medical, Ltd. | 2015 | 1 | — |
| +6 | K133502 | 5000Z Firefly System | Prizm Medical, Inc. | 2014 | 0 | — |
| +6 | K090094 | Zeltiq System | Zeltiq Aesthetics | 2009 | 32 | — |
| +7 | K252767 | actiTENS mini | Sublimed | 2026 | 0 | — |
| +7 | K250146 | SofWave System | Sofwave Medical, Ltd. | 2025 | 1 | — |
| +7 | K223027 | NeuroTrigger Basic (NTB) | Neurotrigger | 2023 | 0 | — |
| +7 | K232675 | Heating Tens, FT-615 | Hivox Biotek, Inc. | 2023 | 0 | — |
| +7 | K223151 | Nu-beca Transcutaneous Electrical Nerve Stimulation | Nu-Beca & Maxcellent Co. | 2023 | 0 | — |
| +7 | K223308 | Heating Tens/Ems, FT-810R | Hivox Biotek, Inc. | 2023 | 0 | — |
| +7 | K221251 | Ems Foot Stimulator (model: HK701, HK701A, HK701B, HK701C) | Guangzhou Huakai Electronic Technology Co., Ltd. | 2022 | 0 | — |
| +7 | K220738 | Motive Knee Wrap | Cymedica Orthopedics, Inc. | 2022 | 0 | — |
| +7 | K213091 | Well-Life TENS/EMS/Heating Stimulator | Well-Life Healthcare Limited | 2022 | 0 | — |
| +7 | K211942 | Heating Lumbar Therapy Cushion (Model: AST-622, AST-622B, AST-623, AST-623B) | Shenzhen Osto Technology Company Limited | 2021 | 1 | — |
| +7 | K212918 | Heat StimPlus | Famidoc Technology Co., Ltd. | 2021 | 0 | — |
| +7 | K202159 | actiTENS | Sublimed | 2020 | 1 | — |
| +7 | K201431 | OGYILI TENS/NMES Stimulator | Gongguan Tutamen Metalwork Co., Ltd. | 2020 | 0 | — |
| +7 | K190009 | Sunmas TENS & PMS (Model SM9187, SM9180L, SM9180S) | Hong Qiangxing (Shenzhen) Electronics Limited | 2019 | 0 | — |
| +7 | K191151 | JKH Stimulator Plus | Jkh USA, LLC | 2019 | 4 | — |
| +7 | K171802 | ALEVE Direct Therapy (ALEVE Direct Therapy TENS Device) | Bayer Healthcare, LLC | 2018 | 0 | — |
| +7 | K120023 | Zeltiq Coolsculpting | Zeltiq Aesthetics, Inc. | 2012 | 31 | — |
| +8 | K251746 | Pure Impact | Sofwave Medical, Ltd. | 2025 | 0 | — |
| +8 | K241119 | Transcutaneous Electrical Nerve Stimulator (K6106) | Shenzhen Yicai Health Technology Co., Ltd. | 2024 | 0 | — |
| +8 | K231569 | ManaFlexx 2 (model: MF002-RX, MF002-OTC) | Manamed, Inc. | 2023 | 1 | — |
| +8 | K223428 | Electronic Stimulator (Models: uLumb-9530A, uLumb-9531A, uLumb-9532A, uLumb-9533A… | Shenzhen Leqing Medical Instrument Co., Ltd. | 2023 | 0 | — |
| +8 | K212989 | Low-frequency Stimulator (Model: AST-645, AST-646) | Shenzhen Osto Technology Co., Ltd. | 2021 | 0 | — |
| +8 | K151179 | ZELTIQ CoolSculpting System | Zeltiq Aesthetics, Inc. | 2015 | 26 | — |
| +8 | K142491 | ZEL TIQ CoolSculpting System | Zeltiq Aesthetics, Inc. | 2015 | 27 | — |
| +8 | K133212 | Zeltiq Coolsculpting System | Zeltiq Aesthetics, Inc. | 2014 | 30 | — |
| +9 | K243613 | Patch-TEA (Model TRI-21) | Transtimulation Research, Inc. | 2025 | 0 | — |
| +9 | K160470 | SculpSure | Cynosure, Inc. | 2016 | 20 | — |
| +9 | K160259 | ZELTIQ CoolSculpting System | Zeltiq Aesthetics, Inc. | 2016 | 15 | — |
| +9 | K150724 | SculpSure | Cynosure, Inc. | 2015 | 21 | — |
| +9 | K150230 | SculpSure | Cynosure, Inc. | 2015 | 21 | — |
| +10 | K211681 | EON | Dominion Aesthetic Technologies, Inc. | 2022 | 1 | — |
| +10 | K191068 | Powersculp laser lipolysis system | Wuhan Lotuxs Technology Co., Ltd. | 2019 | 6 | — |
| +10 | K190743 | Venus Bliss | Venus Concept USA, Inc. | 2019 | 4 | — |
| +10 | K171111 | Sculpsure | Cynosure, Inc. | 2017 | 10 | — |
| +10 | K162050 | ZELTIQ CoolSculpting System | Zeltiq Aesthetics, Inc. | 2016 | 14 | — |
| +11 | K233962 | ReBorn (1050nm) | Lightfective, Ltd. | 2024 | 0 | — |