510(k) Report

510(k) · Cleared

Cleared

Sonicator Plus 992, Model Number ME 992 and Sonicator Plus 994, Model Number ME 994

K984142510(k) TraditionalCleared Feb 9, 199983-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

Mettler Electronics Corp. · IPF Stimulator, Muscle, Powered

Cleared on Feb 9, 1999 after an 83-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 34 later devices descend from it.

Decided
Feb 9, 1999
Review
83 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
0

34 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2007: 2 descendants cleared2001: 1 descendant cleared2003: 1 descendant cleared2017: 2 descendants cleared2014: 2 descendants cleared2005: 1 descendant cleared2011: 2 descendants cleared2010: 2 descendants cleared2012: 2 descendants cleared2019: 1 descendant cleared2016: 1 descendant cleared2021: 2 descendants cleared2022: 1 descendant cleared2023: 3 descendants cleared2020: 1 descendant cleared2018: 1 descendant cleared2024: 3 descendants cleared2025: 5 descendants cleared2026: 1 descendant cleared1995200020052010201520202025
  1. This deviceK984142 Sonicator Plus 992, Model Number ME 992 and Sonicator Plus 994…Mettler Electronics Corp. · 1999
  2. Descendant · cites it directly · 19 of its ownK071137 Sonicator Plus 940, Model ME940Mettler Electronics Corp. · 2007
  3. Descendant · 2 generations on · 15 of its ownK093138 MT9000 Series Electro-Stimulator, Models MT9000, MT9002, MT9001…Shenzhen Dongdixin Technology Co., Ltd. · 2010 · Recalled
  4. Descendant · cites it directly · 11 of its ownK013192 Sonicator Plus 930, Model ME 930Mettler Electronics Corp. · 2001
  5. Descendant · 3 generations on · 8 of its ownK113010 FDES100(Tens and Ems Stimulator, FDES102(ED402) Tens StimulatorFamidoc Technology Co., Ltd. · 2012
  6. Descendant · 4 generations on · 6 of its ownK181688 R-C1 TENS and EMS Stimulator; R-E1- EMS Stimulator; R-T1 TENS…Shenzhen Roundwhale Technology Co., Ltd. · 2018

Showing 5 of 34 descendants. See all descendants

Descendants cleared per year

2001: 12003: 12005: 12007: 22010: 22011: 22012: 22014: 22016: 12017: 22018: 12019: 12020: 12021: 22022: 12023: 32024: 32025: 52026: 1
2001high 5 (2025) · low 0 (2002)2026

Most influential descendants

Showing 5 of 34 · See all
  • K071137Sonicator Plus 940, Model ME940Mettler Electronics Corp. · 2007 · cites it directly19descendants
  • K093138MT9000 Series Electro-Stimulator, Models MT9000, MT9002, MT9001, MT9004 and MT9003Shenzhen Dongdixin Technology Co., Ltd. · 2010 · 2 generations on15descendants
  • K013192Sonicator Plus 930, Model ME 930Mettler Electronics Corp. · 2001 · cites it directly11descendants
  • K113010FDES100(Tens and Ems Stimulator, FDES102(ED402) Tens StimulatorFamidoc Technology Co., Ltd. · 2012 · 3 generations on8descendants
  • K181688R-C1 TENS and EMS Stimulator; R-E1- EMS Stimulator; R-T1 TENS StimulatorShenzhen Roundwhale Technology Co., Ltd. · 2018 · 4 generations on6descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K984142Sonicator Plus 992, Model Number ME 992 and Sonicator Plus 994, Model Number…Mettler Electronics Corp.1999—
+1K071137Sonicator Plus 940, Model ME940Mettler Electronics Corp.2007—
+2K093138MT9000 Series Electro-Stimulator, Models MT9000, MT9002, MT9001, MT9004 and…Shenzhen Dongdixin Technology Co., Ltd.20101
+1K013192Sonicator Plus 930, Model ME 930Mettler Electronics Corp.2001—
+3K113010FDES100(Tens and Ems Stimulator, FDES102(ED402) Tens StimulatorFamidoc Technology Co., Ltd.2012—
+4K181688R-C1 TENS and EMS Stimulator; R-E1- EMS Stimulator; R-T1 TENS StimulatorShenzhen Roundwhale Technology Co., Ltd.2018—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200110
200310
200510
200720
201020
201120
201220
201420
201610
201720
201810
201910
202010
202120
202210
202330
202430
202550
202610
FIG. 1 — Lineage of K984142, 1999–2026Source: 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 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in IPF? 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 IPF device

  1. #1 K241433 EVE Synergy (EVE-20M)score 19.7 · 25 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?

FDA’s file for it is a 510(k) statement, which names no predicate.

What descends from it? (34)

See all 34

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K071137Sonicator Plus 940, Model ME940Mettler Electronics Corp.200719
K013192Sonicator Plus 930, Model ME 930Mettler Electronics Corp.200111
K032793US-100 Portable Ultrasound Therapy UnitIto Co., Ltd.20035

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?

  • Of its descendants, K071137 (Mettler Electronics Corp., 2007) has gone furthest, with 19 descendants of its own.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IPF

3in 2025

2007: 82008: 62009: 72010: 42011: 42012: 42013: 102014: 42015: 32016: 72017: 52018: 52019: 42020: 92021: 152022: 72023: 92024: 72025: 32026 (partial year): 3
2007high 15 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IPF

257in 2025

2007: 143 days median2008: 140 days median2009: 216 days median2010: 121 days median2011: 275 days median2012: 269 days median2013: 180 days median2014: 264 days median2015: 43 days median2016: 113 days median2017: 110 days median2018: 73 days median2019: 133 days median2020: 121 days median2021: 98 days median2022: 108 days median2023: 255 days median2024: 201 days median2025: 257 days median2026 (partial year): 206 days median
2007high 275 (2011) · low 43 (2015)2026

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

Recalls per year · IPF

1in 2023

2008: 12011: 12012: 32023: 1
2007high 3 (2012) · low 0 (2007)2026

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

Adverse event reports per year · IPF

8in 2025

2007: 112008: 2132009: 1502010: 142011: 252012: 162013: 62014: 192015: 112016: 82017: 22018: 32019: 102020: 132021: 32022: 42023: 82024: 52025: 8
2007high 213 (2008) · low 2 (2017)2025

MAUDE reports naming product code IPF, 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
20078143011
200861401213
200972160150
20104121014
20114275125
20124269316
20131018006
20144264019
2015343011
2016711308
2017511002
201857303
20194133010
20209121013
2021159803
2022710804
2023925518
2024720105
2025325708
202632060—

What is it indicated for?

Therapeutic Ultrasound Pain relief Reduction of muscle spasm Localized increase in blood flow Increase range of motion of contracted joints using heat and stretch techniques. Neuromuscular Stimulation Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post surgical pain (Interferential, Premodulated and Microcurrent waveforms) Temporary relaxation of muscle spasm, (all waveforms except Microcurrent) Prevention of…

Read the full statement (112 words)

Therapeutic Ultrasound

Pain relief

Reduction of muscle spasm

Localized increase in blood flow

Increase range of motion of contracted joints using heat and stretch techniques.

Neuromuscular Stimulation

Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post surgical pain (Interferential, Premodulated and Microcurrent waveforms)

Temporary relaxation of muscle spasm, (all waveforms except Microcurrent)

Prevention of post-surgical phlebo-thrombosis through immediate stimulation of calf muscles, (all waveforms except Microcurrent)

Increase of blood flow in the treatment area, (all waveforms except Microcurrent)

Prevention or retardation of disuse atrophy in post-injury type conditions, (all waveforms except Microcurrent)

Muscle re-education, (all waveforms except Microcurrent)

Maintaining or increasing range of motion, (all waveforms except Microcurrent)

Indications for use read by OCR from a scanned FDA 510(k) statement, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K984142: Sonicator Plus 992, Model Number ME 992 and Sonicator Plus 994, Model Number ME 994.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K984142

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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