510(k) Report

510(k) · Cleared

Cleared

High Intensity Focused Electromagnetic Stimulation Device (FE60)

K253790510(k) TraditionalCleared Aug 13, 2026258-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

Beijing Winkonlaser Technology Limited · NGX Stimulator, Muscle, Powered, For Muscle Conditioning

Cleared on Aug 13, 2026 as substantially equivalent to K250038 (Zhengzhou PZ Laser Slim Technology Co., Ltd., 2025) after a 258-day review. Its family tree reaches back 9 generations to 2001.

Decided
Aug 13, 2026
Review
258 days
Class
Class II
Product code
NGX
Recalls
None
Predicates
1

Its longest line of descent runs back 9 generations to K010335 (2001). 20 ancestors in all, the oldest K952089 (1995). No later device cites it as a predicate yet.

  1. Root · 9 generations backK010335 Slendertone Flex, Model, 512Bio-Medical Research, Ltd. · 2001
  2. 5 generations between
  3. 3 generations backK182106 BTL 799-2TBTL Industries, Inc. · 2018
  4. 2 generations backK190456 BTL 799-2LBTL Industries, Inc. · 2019
  5. 1 generation backK250038 Muscle Stimulator Device (PZ-100)Zhengzhou PZ Laser Slim Technology Co., Ltd. · 2025
  6. This deviceK253790 High Intensity Focused Electromagnetic Stimulation Device (FE60)Beijing Winkonlaser Technology Limited · 2026
Show all 9 generations
  1. Root · 9 generations backK010335 Slendertone Flex, Model, 512Bio-Medical Research, Ltd. · 2001
  2. 8 generations backK022855 Slendertone Flex Bottom & Thigh Toning System, Type 511Bio-Medical Research, Ltd. · 2003
  3. 7 generations backK070142 Slendertone System Abs, Models 390, E10, X10; Slendertone System…Bio-Medical Research Corp. · 2007
  4. 6 generations backK072553 System-Arms, Model 390,E60Bio-Medical Research, Ltd. · 2007
  5. 5 generations backK091865 Sport-Elec Body Control SystemSport-Elec · 2009
  6. 4 generations backK092476 Sport-Elec Body Control System, Model 4MSport-Elec · 2010
  7. 3 generations backK182106 BTL 799-2TBTL Industries, Inc. · 2018
  8. 2 generations backK190456 BTL 799-2LBTL Industries, Inc. · 2019
  9. 1 generation backK250038 Muscle Stimulator Device (PZ-100)Zhengzhou PZ Laser Slim Technology Co., Ltd. · 2025
  10. This deviceK253790 High Intensity Focused Electromagnetic Stimulation Device (FE60)Beijing Winkonlaser Technology Limited · 2026
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−9K010335Slendertone Flex, Model, 512Bio-Medical Research, Ltd.2001—
−8K022855Slendertone Flex Bottom & Thigh Toning System, Type 511Bio-Medical Research, Ltd.2003—
−7K070142Slendertone System Abs, Models 390, E10, X10; Slendertone System Shorts…Bio-Medical Research Corp.2007—
−6K072553System-Arms, Model 390,E60Bio-Medical Research, Ltd.2007—
−5K091865Sport-Elec Body Control SystemSport-Elec2009—
−4K092476Sport-Elec Body Control System, Model 4MSport-Elec2010—
−3K182106BTL 799-2TBTL Industries, Inc.2018—
−2K190456BTL 799-2LBTL Industries, Inc.2019—
−1K250038Muscle Stimulator Device (PZ-100)Zhengzhou PZ Laser Slim Technology Co., Ltd.2025—
0 (this device)K253790High Intensity Focused Electromagnetic Stimulation Device (FE60)Beijing Winkonlaser Technology Limited2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199510
199810
200310
200720
200810
201010
201310
201610
201710
201810
FIG. 1 — Lineage of K253790, 2001–2026Source: 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 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
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What was it cleared against? (1)

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
*K250038Muscle Stimulator Device (PZ-100)
Summary page 6
…le, temperature module, treatement handle module, and fan cooling module. 5. Identification of Predicate Device(s) Predicate Device: 510(k) Number: K250038 Product Name: Muscle Stimulator Device (Model: PZ-100) Manufacturer: Zhengzhou PZ Laser Slim Technology Co., Ltd. 6.…
Zhengzhou PZ Laser Slim Technology Co., Ltd.2025—

What descends from it?

No later submission names this one as a predicate yet.

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 25 years and passes through 6 companies; a new generation was cleared every 1.4 years on median.
  • None of the 20 ancestors has a recall.

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. 2026, 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 FE60 is indicated to be used for:

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

• Strengthening, Toning and Firming of buttocks, thighs and calves.

• Improvement of muscle tone and firmness, for strengthening muscles in arms.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K253790: High Intensity Focused Electromagnetic Stimulation Device (FE60).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K253790

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Record history
  • FDA decision record loaded Oct 30, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026