510(k) Report

510(k) · Cleared

Cleared

SofWave System

K241685510(k) TraditionalCleared Aug 7, 202457-day reviewClass II21 CFR 890.5850

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Sofwave Medical, Ltd. · NGX Stimulator, Muscle, Powered, For Muscle Conditioning

Cleared on Aug 7, 2024 as substantially equivalent to K240687 (Sofwave Medical, Ltd., 2024) and 1 other predicate after a 57-day review. Its family tree reaches back 11 generations to 1990. 2 later devices descend from it.

Decided
Aug 7, 2024
Review
57 days
Class
Class II
Product code
NGX
Recalls
None
Predicates
2

Its longest line of descent runs back 11 generations to K903402 (1990). 53 ancestors in all, the oldest K894834 (1989). 2 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2024: 1 other ancestor2023: 3 other ancestors2022: 2 other ancestors2012: 3 other ancestors2020: 1 other ancestor2005: 2 other ancestors2003: 3 other ancestors2013: 2 other ancestors2009: 3 other ancestors2004: 1 other ancestor2021: 2 other ancestors2007: 2 other ancestors2002: 2 other ancestors2001: 3 other ancestors1997: 1 other ancestor1995: 5 other ancestors2018: 1 other ancestor2000: 1 other ancestor2014: 1 other ancestor1994: 1 other ancestor1999: 1 other ancestor1989: 1 other ancestor2025: 2 descendants clearedReference device: K192264 · HIVOX Spopad EMS SP-911, SP-921 · Hivox Biotek, Inc. · 2019K903402 · Geohesive (TM), Model Numbers 1022L, 1023L, 1026L · Medi-Source, Inc. · 1990K963125 · M and R Reusable Electrodes (Multiple) · M & R Mfg., Inc. · 1997K020735 · Sof-Pach Reusable Neurostimulation Electrodes · Cathay International, Ltd. · 2002K080276 · Self-Adhesive Electrodes · Cathay Health Care Equipment Manufacturing, Inc. · 2008K090198 · Jiajian Self-Adhesive Electrode · Wuxi Jiajian Medical Instrument Co., Ltd. · 2009K132998 · Wandy Self-Adhesive Electrodes · Wandy Rubber Industrial Co., Ltd. · 2013K160138 · Adhesive Electrodes · Gmdasz Manufacturing Co., Ltd. · 2016K180865 · ZMI Self-Adhesive Electrodes · Zmi Electronics, Ltd. · 2018K222252 · Self-adhesive Electrode · Shenzhen Roundwhale Technology Co., Ltd. · 2023K223802 · accufit · Mettler Electronics Corporation · 2023K233926 · accufit · Mettler Electronics Corporation · 20241990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor3 generations back: 3 other ancestors4 generations back: 4 other ancestors5 generations back: 6 other ancestors6 generations back: 12 other ancestors7 generations back: 5 other ancestors8 generations back: 5 other ancestors9 generations back: 1 other ancestor10 generations back: 2 other ancestors11 generations back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 1 descendant K233926 · accufit · Mettler Electronics Corporation · 2024K223802 · accufit · Mettler Electronics Corporation · 2023K222252 · Self-adhesive Electrode · Shenzhen Roundwhale Technology Co., Ltd. · 2023K180865 · ZMI Self-Adhesive Electrodes · Zmi Electronics, Ltd. · 2018K160138 · Adhesive Electrodes · Gmdasz Manufacturing Co., Ltd. · 2016K132998 · Wandy Self-Adhesive Electrodes · Wandy Rubber Industrial Co., Ltd. · 2013K090198 · Jiajian Self-Adhesive Electrode · Wuxi Jiajian Medical Instrument Co., Ltd. · 2009K080276 · Self-Adhesive Electrodes · Cathay Health Care Equipment Manufacturing, Inc. · 2008K020735 · Sof-Pach Reusable Neurostimulation Electrodes · Cathay International, Ltd. · 2002K963125 · M and R Reusable Electrodes (Multiple) · M & R Mfg., Inc. · 1997K903402 · Geohesive (TM), Model Numbers 1022L, 1023L, 1026L · Medi-Source, Inc. · 1990−10−50
  1. Root · 11 generations backK903402 Geohesive (TM), Model Numbers 1022L, 1023L, 1026LMedi-Source, Inc. · 1990
  2. 7 generations between
  3. 3 generations backK222252 Self-adhesive ElectrodeShenzhen Roundwhale Technology Co., Ltd. · 2023
  4. 2 generations backK223802 accufitMettler Electronics Corporation · 2023
  5. 1 generation backK233926 accufitMettler Electronics Corporation · 2024
  6. This deviceK241685 SofWave SystemSofwave Medical, Ltd. · 2024
  7. Descendant · cites it directly · 1 of its ownK250146 SofWave SystemSofwave Medical, Ltd. · 2025
  8. Descendant · 2 generations on · 0 of its ownK251746 Pure ImpactSofwave Medical, Ltd. · 2025
Show all 11 generations
  1. Root · 11 generations backK903402 Geohesive (TM), Model Numbers 1022L, 1023L, 1026LMedi-Source, Inc. · 1990
  2. 10 generations backK963125 M and R Reusable Electrodes (Multiple)M & R Mfg., Inc. · 1997
  3. 9 generations backK020735 Sof-Pach Reusable Neurostimulation ElectrodesCathay International, Ltd. · 2002
  4. 8 generations backK080276 Self-Adhesive ElectrodesCathay Health Care Equipment Manufacturing, Inc. · 2008
  5. 7 generations backK090198 Jiajian Self-Adhesive ElectrodeWuxi Jiajian Medical Instrument Co., Ltd. · 2009
  6. 6 generations backK132998 Wandy Self-Adhesive ElectrodesWandy Rubber Industrial Co., Ltd. · 2013
  7. 5 generations backK160138 Adhesive ElectrodesGmdasz Manufacturing Co., Ltd. · 2016
  8. 4 generations backK180865 ZMI Self-Adhesive ElectrodesZmi Electronics, Ltd. · 2018
  9. 3 generations backK222252 Self-adhesive ElectrodeShenzhen Roundwhale Technology Co., Ltd. · 2023
  10. 2 generations backK223802 accufitMettler Electronics Corporation · 2023
  11. 1 generation backK233926 accufitMettler Electronics Corporation · 2024
  12. This deviceK241685 SofWave SystemSofwave Medical, Ltd. · 2024

Most influential descendants

Showing 2 of 2 · See all
  • K250146SofWave SystemSofwave Medical, Ltd. · 2025 · cites it directly1descendant
  • K251746Pure ImpactSofwave Medical, Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−11K903402Geohesive (TM), Model Numbers 1022L, 1023L, 1026LMedi-Source, Inc.1990—
−10K963125M and R Reusable Electrodes (Multiple)M & R Mfg., Inc.1997—
−9K020735Sof-Pach Reusable Neurostimulation ElectrodesCathay International, Ltd.2002—
−8K080276Self-Adhesive ElectrodesCathay Health Care Equipment Manufacturing, Inc.2008—
−7K090198Jiajian Self-Adhesive ElectrodeWuxi Jiajian Medical Instrument Co., Ltd.2009—
−6K132998Wandy Self-Adhesive ElectrodesWandy Rubber Industrial Co., Ltd.2013—
−5K160138Adhesive ElectrodesGmdasz Manufacturing Co., Ltd.2016—
−4K180865ZMI Self-Adhesive ElectrodesZmi Electronics, Ltd.2018—
−3K222252Self-adhesive ElectrodeShenzhen Roundwhale Technology Co., Ltd.2023—
−2K223802accufitMettler Electronics Corporation2023—
−1K233926accufitMettler Electronics Corporation2024—
0 (this device)K241685SofWave SystemSofwave Medical, Ltd.2024—
+1K250146SofWave SystemSofwave Medical, Ltd.2025—
+2K251746Pure ImpactSofwave Medical, Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199410
199550
199710
199910
200010
200130
200220
200330
200410
200520
200720
200930
201230
201320
201410
201810
202010
202120
202220
202330
202410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202520
FIG. 1 — Lineage of K241685, 1990–2025Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

Sources: FDA 510(k) database (decision fields), the FDA summary (predicates and indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in NGX? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.

Top candidate predicates for a new NGX device

  1. #1 K250146 SofWave Systemscore 15.5 · 12 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (2)

Devices the submitter claimed this one is substantially equivalent to (*), and reference devices cited for a specific test or feature (†), as written in the FDA summary.

TypeNumberDeviceApplicantDecidedRecalls
*K240687SofWave System
Summary page 5
…NGX 21 CFR 878.4590 (Focused Ultrasound Stimulator System for Aesthetic Use), Class II, product code OHV Predicate Devices Sofwave Medical’s SofWave System (K240687) (Predicate Device) Mettler Electronics Corporation’s accufit (K233926) (Predicate Device) Hivox Biotek Inc.’s HIVOX Spop…
Sofwave Medical, Ltd.2024—
*K233926accufit
Summary page 5
…c Use), Class II, product code OHV Predicate Devices Sofwave Medical’s SofWave System (K240687) (Predicate Device) Mettler Electronics Corporation’s accufit (K233926) (Predicate Device) Hivox Biotek Inc.’s HIVOX Spopad EMS SP-911, SP-921 (K192264) (Reference Device) Intended Use / Indicati…
Mettler Electronics Corporation2024—
†K192264HIVOX Spopad EMS SP-911, SP-921Hivox Biotek, Inc.2019—

What descends from it? (2)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K250146SofWave SystemSofwave Medical, Ltd.20251

Has anything in its family been recalled? (0 Class I)

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 34 years and passes through 11 companies; a new generation was cleared every 2.6 years on median.
  • 2 of the 53 ancestors have a recall of any class.
  • Of its descendants, K250146 (Sofwave Medical, Ltd., 2025) has gone furthest, with 1 descendant of its own.

How does its category compare?

All NGX devices

NGX Stimulator, Muscle, Powered, For Muscle Conditioning: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · NGX

15in 2025

2007: 72008: 32009: 42010: 62011: 52012: 32013: 62014: 62015: 92016: 42017: 102018: 62019: 142020: 112021: 122022: 62023: 122024: 122025: 152026 (partial year): 4
2007high 15 (2025) · low 3 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NGX

93in 2025

2007: 135 days median2008: 209 days median2009: 132 days median2010: 180 days median2011: 291 days median2012: 362 days median2013: 269 days median2014: 298 days median2015: 184 days median2016: 240 days median2017: 108 days median2018: 104 days median2019: 167 days median2020: 207 days median2021: 256 days median2022: 307 days median2023: 96 days median2024: 207 days median2025: 93 days median2026 (partial year): 118 days median
2007high 362 (2012) · low 93 (2025)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NGX

2in 2013

2013: 2
2007high 2 (2013) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NGX

15in 2025

2011: 12013: 12015: 72016: 212017: 22018: 62019: 42020: 72021: 52022: 72023: 82024: 112025: 15
2007high 21 (2016) · low 0 (2007)2025

MAUDE reports naming product code NGX, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
2007713500
2008320900
2009413200
2010618000
2011529101
2012336200
2013626921
2014629800
2015918407
20164240021
20171010802
2018610406
20191416704
20201120707
20211225605
2022630707
2023129608
202412207011
20251593015
202641180—

What is it indicated for?

The SofWave System is indicated for use as a non-invasive dermatological aesthetic treatment to improve facial lines and wrinkles, lift the eyebrow, and lift lax submental (beneath the chin) and neck tissue; which can also affect the appearance of lax tissue in the submental and neck region for subjects aged 22 and older. The SofWave System is also indicated for short-term improvement in the appearance of cellulite.

The Pure Impact module is indicated to be used for:

* Improvement of abdominal tone, for strengthening of the abdominal muscles, for development of firmer abdomen.

* Improvement of muscle tone and firmness, for strengthening muscles in arms, thighs and buttocks areas.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K241685: SofWave System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K241685

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 13, 2026 (extraction version 9eaa42aa01ed)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026