510(k) Report

510(k) · Cleared

Cleared

WinForth (LM-E470KA)

K250916510(k) TraditionalCleared Aug 14, 2025140-day reviewClass II21 CFR 878.4400

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

Shenzhen Leaflife Technology Co., Ltd. · PBX Massager, Vacuum, Radio Frequency Induced Heat

Cleared on Aug 14, 2025 after a 140-day review. FDA’s file for it is a 510(k) statement, which names no predicate.

Decided
Aug 14, 2025
Review
140 days
Class
Class II
Product code
PBX
Recalls
None
Predicates
0

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

FIG. 1 — Lineage of K250916Source: FDA 510(k) database · 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 PBX? 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 PBX device

  1. #1 K210877 Evolve System with the T3 Applicatorscore 23.6 · 24 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?

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

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.

How does its category compare?

All PBX devices

PBX Massager, Vacuum, Radio Frequency Induced Heat: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · PBX

7in 2025

2012: 12014: 22015: 52016: 72017: 62018: 32019: 82020: 82021: 62022: 72023: 92024: 62025: 72026 (partial year): 6
2007high 9 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · PBX

200in 2025

2015: 181 days median2016: 130 days median2017: 132 days median2018: 89 days median2019: 147 days median2020: 134 days median2021: 169 days median2022: 308 days median2023: 227 days median2024: 130 days median2025: 200 days median2026 (partial year): 225 days median
2007high 308 (2022) · low 89 (2018)2026

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

Recalls per year · PBX

1in 2017

2017: 1
2007high 1 (2017) · low 0 (2007)2026

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

Adverse event reports per year · PBX

4in 2025

2013: 122014: 42016: 22017: 12018: 12019: 42020: 42021: 82022: 72023: 72024: 22025: 4
2007high 12 (2013) · low 0 (2007)2025

MAUDE reports naming product code PBX, 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
20070—00
20080—00
20090—00
20100—00
20110—00
20121—00
20130—012
20142—04
2015518100
2016713002
2017613211
201838901
2019814704
2020813404
2021616908
2022730807
2023922707
2024613002
2025720004
202662250—

What is it indicated for?

The WinForth is intended to provide topical heating for the purpose of elevating tissue temperature for the treatment of selected medical conditions such as relief of pain, muscle spasms, and increase in local circulation.

The WinForth massage device is intended to provide a temporary reduction in the appearance of cellulite.

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. “K250916: WinForth (LM-E470KA).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K250916

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