510(k) Report

510(k) · Cleared

Cleared

Rapid Acoustic Pulse Device

K201801510(k) TraditionalCleared Jan 29, 2021213-day reviewClass II21 CFR 878.4810

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

Soliton, Inc. · GEX Powered Laser Surgical Instrument

Cleared on Jan 29, 2021 as substantially equivalent to K102541 (Cynosure, Inc., 2012) after a 213-day review. Its family tree reaches back 2 generations to 2009. 12 later devices descend from it.

Decided
Jan 29, 2021
Review
213 days
Class
Class II
Product code
GEX
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K091537 (2009). 12 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2022: 2 descendants cleared2021: 2 descendants cleared2023: 3 descendants cleared2024: 3 descendants cleared2025: 2 descendants clearedReference device: K200331 · Rapid Acoustic Pulse Device · Soliton, Inc. · 2020K091537 · Cynosure Smartlipo Multiwavelength Laser with 1440NM Wavelength · Cynosure, Inc. · 2009K102541 · Cynosure Cellulaze Laser · Cynosure, Inc. · 201220052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 2 descendants4 generations forward: 2 descendants5 generations forward: 1 descendant6 generations forward: 1 descendant7 generations forward: 1 descendant8 generations forward: 1 descendant K102541 · Cynosure Cellulaze Laser · Cynosure, Inc. · 2012K091537 · Cynosure Smartlipo Multiwavelength Laser with 1440NM Wavelength · Cynosure, Inc. · 20090+5
  1. Root · 2 generations backK091537 Cynosure Smartlipo Multiwavelength Laser with 1440NM WavelengthCynosure, Inc. · 2009
  2. 1 generation backK102541 Cynosure Cellulaze LaserCynosure, Inc. · 2012
  3. This deviceK201801 Rapid Acoustic Pulse DeviceSoliton, Inc. · 2021
  4. Descendant · cites it directly · 7 of its ownK223237 SofWave SystemSofwave Medical, Ltd. · 2022
  5. Descendant · 2 generations on · 6 of its ownK230019 SofWave SystemSofwave Medical, Ltd. · 2023
  6. Descendant · 3 generations on · 5 of its ownK230820 SofWave SystemSofwave Medical, Ltd. · 2023
  7. Descendant · 4 generations on · 4 of its ownK232455 SofWave SystemSofwave Medical, Ltd. · 2023
  8. Descendant · 5 generations on · 3 of its ownK240687 SofWave SystemSofwave Medical, Ltd. · 2024

Showing 5 of 12 descendants. See all descendants

Descendants cleared per year

2021: 22022: 22023: 32024: 32025: 2
2021high 3 (2023) · low 0 (2026)2026

Most influential descendants

Showing 5 of 12 · See all
  • K223237SofWave SystemSofwave Medical, Ltd. · 2022 · cites it directly7descendants
  • K230019SofWave SystemSofwave Medical, Ltd. · 2023 · 2 generations on6descendants
  • K230820SofWave SystemSofwave Medical, Ltd. · 2023 · 3 generations on5descendants
  • K232455SofWave SystemSofwave Medical, Ltd. · 2023 · 4 generations on4descendants
  • K240687SofWave SystemSofwave Medical, Ltd. · 2024 · 5 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K091537Cynosure Smartlipo Multiwavelength Laser with 1440NM WavelengthCynosure, Inc.2009—
−1K102541Cynosure Cellulaze LaserCynosure, Inc.2012—
0 (this device)K201801Rapid Acoustic Pulse DeviceSoliton, Inc.2021—
+1K223237SofWave SystemSofwave Medical, Ltd.2022—
+2K230019SofWave SystemSofwave Medical, Ltd.2023—
+3K230820SofWave SystemSofwave Medical, Ltd.2023—
+4K232455SofWave SystemSofwave Medical, Ltd.2023—
+5K240687SofWave SystemSofwave Medical, Ltd.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202120
202220
202330
202430
202520
FIG. 1 — Lineage of K201801, 2009–2025Source: 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 GEX? 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 GEX device

  1. #1 K222064 The Alma Soprano Titaniumscore 38.1 · 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? (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
*K102541Cynosure Cellulaze Laser
Summary page 4
…dermatology (21 CFR 878.4810) Product Code GEX Predicate Devices: Cynosure’s Cellulaze Laser (K102541) (Primary predicate device) Soliton’s Rapid Acoustic Pulse Device (…
Cynosure, Inc.2012—
†K200331Rapid Acoustic Pulse DeviceSoliton, Inc.2020—

Also cleared against K102541: 1 other device →

What descends from it? (12)

See all 12

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

NumberDeviceApplicantDecidedDescendants
K223237SofWave SystemSofwave Medical, Ltd.20227
K210964Resonic Rapid Acoustic Pulse DeviceSoliton, Inc.20213

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 12 years and passes through 2 companies; a new generation was cleared every 9.0 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K223237 (Sofwave Medical, Ltd., 2022) has gone furthest, with 7 descendants of its own.
  • 1 other device also cites its predicate K102541.

How does its category compare?

All GEX devices

GEX Powered Laser Surgical Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.

FDA decisions per year · GEX

83in 2025

2007: 732008: 1072009: 692010: 502011: 412012: 452013: 462014: 612015: 472016: 512017: 672018: 512019: 412020: 522021: 532022: 602023: 522024: 822025: 832026 (partial year): 57
2007high 107 (2008) · low 41 (2011)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · GEX

90in 2025

2007: 79 days median2008: 86 days median2009: 100 days median2010: 96 days median2011: 83 days median2012: 118 days median2013: 144 days median2014: 147 days median2015: 112 days median2016: 114 days median2017: 90 days median2018: 78 days median2019: 88 days median2020: 90 days median2021: 123 days median2022: 152 days median2023: 87 days median2024: 90 days median2025: 90 days median2026 (partial year): 90 days median
2007high 152 (2022) · low 78 (2018)2026

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

Recalls per year · GEX

3in 2024

2007: 92008: 22010: 42011: 182012: 52013: 32014: 62016: 12017: 5, 1 Class I2018: 52019: 62020: 12023: 62024: 32026 (partial year): 2
2007high 18 (2011) · low 0 (2009)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · GEX

2,720in 2025

2007: 3422008: 2322009: 2092010: 1,7112011: 3,0242012: 2,0002013: 2,2362014: 2,0362015: 2,0992016: 2,5852017: 2,9772018: 3,5252019: 2,7092020: 2,1832021: 3,4652022: 2,2882023: 2,3372024: 2,1872025: 2,720
2007high 3,525 (2018) · low 209 (2009)2025

MAUDE reports naming product code GEX, 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
200773799342
2008107862232
2009691000209
2010509641,711
20114183183,024
20124511852,000
20134614432,236
20146114762,036
20154711202,099
20165111412,585
201767905 (1)2,977
2018517853,525
2019418862,709
2020529012,183
20215312303,465
20226015202,288
2023528762,337
2024829032,187
2025839002,720
202657902—

What is it indicated for?

The Rapid Acoustic Pulse Device (RAP) is indicated for use as an accessory to the 1064 nm Q-Switched laser for black ink tattoo removal in Fitzpatrick Skin Type I-III patients. The RAP device is also indicated for short-term improvement in the appearance of cellulite.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K201801: Rapid Acoustic Pulse Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K201801

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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