510(k) Report

510(k) · Cleared

Cleared

Limfa Therapy System (Limfa Therapy)

K243165510(k) TraditionalCleared May 15, 2025227-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

Eywa Srl · NGX Stimulator, Muscle, Powered, For Muscle Conditioning

Cleared on May 15, 2025 as substantially equivalent to K151834 (Bemer Int AG, 2017) and 1 other predicate after a 227-day review. Its family tree reaches back 8 generations to 1994.

Decided
May 15, 2025
Review
227 days
Class
Class II
Product code
NGX
Recalls
None
Predicates
2

Its longest line of descent runs back 8 generations to K940301 (1994). 25 ancestors in all, the oldest K872976 (1987). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2014: 1 other ancestor2013: 1 other ancestor2012: 1 other ancestor2011: 1 other ancestor2005: 3 other ancestors2004: 2 other ancestors1997: 1 other ancestor1993: 1 other ancestor1992: 2 other ancestors1987: 1 other ancestor1995: 2 other ancestors1994: 1 other ancestorK940301 · Compex 2 · Biodex Medical Systems, Inc. · 1994K011880 · Compex Sport · Compex S.A. · 2002K060846 · Therapeutic Massage Companion · Endurance Therapeutics · 2007K102598 · HI-Dow-XP · Hi-Dow International, Inc. · 2011K122744 · Prospera Otc Tens Electronic Pulse Massager · Prospera Corporation · 2013K143207 · Revitive IX (OTC) · Actegy, Ltd. · 2015K151834 · BEMER Classic Set, BEMER Pro-Set · Bemer Int AG · 2017 · recalledK210174 · BEMER Therapy Systems, BEMER Classic Set, BEMER Pro-Set · Bemer Int AG · 20211990200020102020
  1. Root · 8 generations backK940301 Compex 2Biodex Medical Systems, Inc. · 1994
  2. 7 generations backK011880 Compex SportCompex S.A. · 2002
  3. 6 generations backK060846 Therapeutic Massage CompanionEndurance Therapeutics · 2007
  4. 5 generations backK102598 HI-Dow-XPHi-Dow International, Inc. · 2011
  5. 4 generations backK122744 Prospera Otc Tens Electronic Pulse MassagerProspera Corporation · 2013
  6. 3 generations backK143207 Revitive IX (OTC)Actegy, Ltd. · 2015
  7. 2 generations backK151834 BEMER Classic Set, BEMER Pro-SetBemer Int AG · 2017 · Recalled
  8. 1 generation backK210174 BEMER Therapy Systems, BEMER Classic Set, BEMER Pro-SetBemer Int AG · 2021
  9. This deviceK243165 Limfa Therapy System (Limfa Therapy)Eywa Srl · 2025
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−8K940301Compex 2Biodex Medical Systems, Inc.1994—
−7K011880Compex SportCompex S.A.2002—
−6K060846Therapeutic Massage CompanionEndurance Therapeutics2007—
−5K102598HI-Dow-XPHi-Dow International, Inc.2011—
−4K122744Prospera Otc Tens Electronic Pulse MassagerProspera Corporation2013—
−3K143207Revitive IX (OTC)Actegy, Ltd.2015—
−2K151834BEMER Classic Set, BEMER Pro-SetBemer Int AG20171
−1K210174BEMER Therapy Systems, BEMER Classic Set, BEMER Pro-SetBemer Int AG2021—
0 (this device)K243165Limfa Therapy System (Limfa Therapy)Eywa Srl2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198710
199220
199310
199410
199520
199710
200420
200530
201110
201210
201310
201410
FIG. 1 — Lineage of K243165, 1994–2025Source: 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
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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
*K151834BEMER Classic Set, BEMER Pro-Set
Summary page 5
…Predicate Device #1 Trade Name Bemer Classic Set Common Name Bemer Classic Premarket Notification K151834 Regulation Number and 21 CFR§890.5850, Powered Muscle Stimulator Classification Name Product…
Bemer Int AG20171
*K210174BEMER Therapy Systems, BEMER Classic Set, BEMER Pro-Set
Summary page 6
…Trade Name Bemer Classic Set Common Name Bemer Classic Premarket Notification K210174 Regulation Number and 21 CFR§890.5850. Powered Muscle Stimulator Regulation Name…
Bemer Int AG2021—

Also cleared against K151834: 4 other devices →

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 31 years and passes through 8 companies; a new generation was cleared every 4.0 years on median.
  • 1 of the 25 ancestors has a recall of any class.
  • 4 other devices also cite its predicate K151834.

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. 2025, 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 indications for the Limfa Therapy System are to temporarily increase blood circulation in healthy leg muscles and to stimulate healthy muscles in order to improve and facilitate muscle performance.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243165: Limfa Therapy System (Limfa Therapy).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243165

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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