510(k) Report

510(k) · Cleared

Cleared

StarFormer, TightWave

K221274510(k) TraditionalCleared Sep 29, 2023515-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

Fotona D.O.O. · IPF Stimulator, Muscle, Powered

Cleared on Sep 29, 2023 as substantially equivalent to K973929 (Neotonus, Inc., 1998) and 1 other predicate after a 515-day review. Its family tree reaches back 2 generations to 2007. 1 later device descends from it.

Decided
Sep 29, 2023
Review
515 days
Class
Class II
Product code
IPF
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K062439 (2007). 3 ancestors in all, the oldest K973929 (1998). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2025: 1 descendant clearedK062439 · Powertone, Model PT-11 · Johari Digital Healthcare, Ltd. · 2007K131291 · Torc Body · Johari Digital Healthcare, Ltd. · 20131995200020052010201520202025
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 1 descendant K131291 · Torc Body · Johari Digital Healthcare, Ltd. · 2013K062439 · Powertone, Model PT-11 · Johari Digital Healthcare, Ltd. · 20070
  1. Root · 2 generations backK062439 Powertone, Model PT-11Johari Digital Healthcare, Ltd. · 2007
  2. 1 generation backK131291 Torc BodyJohari Digital Healthcare, Ltd. · 2013
  3. This deviceK221274 StarFormer, TightWaveFotona D.O.O. · 2023
  4. Descendant · cites it directly · 0 of its ownK241785 StarFormer (M008-3T)Fotona D.O.O. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K241785StarFormer (M008-3T)Fotona D.O.O. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K062439Powertone, Model PT-11Johari Digital Healthcare, Ltd.2007—
−1K131291Torc BodyJohari Digital Healthcare, Ltd.2013—
0 (this device)K221274StarFormer, TightWaveFotona D.O.O.2023—
+1K241785StarFormer (M008-3T)Fotona D.O.O.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K221274, 2007–2025Source: 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 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? (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
*K973929Neotonus MS-101 Magnetic Muscle Stimulator System
Summary page 4
…Powered 21 CFR 890.5850, Class II Product Code: IPF, NGX PREDICATE DEVICES - Neotonus MS-101 Magnetic Muscle Stimulator System (K973929) - Johari Digital Healthcare Ltd., TORC BODY (K131291) DEVICE DESCRIPTION SUMMARY StarFormer is a non-invasive therapeuti…
Neotonus, Inc.1998—
*K131291Torc Body
Summary page 4
…roduct Code: IPF, NGX PREDICATE DEVICES - Neotonus MS-101 Magnetic Muscle Stimulator System (K973929) - Johari Digital Healthcare Ltd., TORC BODY (K131291) DEVICE DESCRIPTION SUMMARY StarFormer is a non-invasive therapeutic device. The device comprises a magnetic stimulation coil l…
Johari Digital Healthcare, Ltd.2013—

Also cleared against K973929: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K241785StarFormer (M008-3T)Fotona D.O.O.20250

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 16 years and passes through 2 companies; a new generation was cleared every 10.3 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K241785 (Fotona D.O.O., 2025) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K973929.

How does its category compare?

All IPF devices

IPF Stimulator, Muscle, Powered: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.

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?

Fotona StarFormer is intended to be used under medical supervision for adjunctive therapy for the treatment of medical diseases and conditions. Fotona StarFormer is indicated for use in stimulating neuromuscular tissue for bulk muscle excitation in the legs or arms for rehabilitative purposes. -Relaxation of muscle spasm, -Prevention or retardation of disuse atrophy, -Increasing local blood circulation, -Muscle re-education, -Immediate post-surgical…

Read the full statement (103 words)

Fotona StarFormer is intended to be used under medical supervision for adjunctive therapy for the treatment of medical diseases and conditions.

Fotona StarFormer is indicated for use in stimulating neuromuscular tissue for bulk muscle excitation in the legs or arms for rehabilitative purposes.

-Relaxation of muscle spasm,

-Prevention or retardation of disuse atrophy,

-Increasing local blood circulation,

-Muscle re-education,

-Immediate post-surgical stimulation of calf muscles to prevent venous thrombosis,

-Maintaining or increasing range of motion.

Fotona StarFormer is indicated for improvement of abdominal tone, for strengthening of the abdominal muscles, for development of firmer abdomen

-Strengthening, Toning and Firming of buttocks and thighs

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221274: StarFormer, TightWave.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K221274

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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