510(k) · Cleared
ClearedLaser Sys*Stim 540, Model ME 540
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Mettler Electronics Corp. · ILY Lamp, Infrared, Therapeutic Heating
Cleared on May 6, 2005 as substantially equivalent to K032231 (Medx Electronics, Inc., 2003) and 2 other predicates after a 129-day review. Its family tree reaches back 4 generations to 2000. 13 later devices descend from it.
- Decided
- May 6, 2005
- Review
- 129 days
- Class
- Class II
- Product code
- ILY
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 4 generations to K001179 (2000). 9 ancestors in all, the oldest K941461 (1995). 13 later devices descend from it, 2 citing it directly.
- Root · 4 generations backK001179 Super Nova, AcubeamLight Force Therapy, Inc. · 2000
- 3 generations backK020017 Medx 1000 SeriesMedx Electronics, Inc. · 2002
- 2 generations backK031329 Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared…Dynatronics Corp. · 2003
- 1 generation backK040729 Solaris D890 Therapy ProbeDynatronics Corp. · 2004
- This deviceK043586 Laser Sys*Stim 540, Model ME 540Mettler Electronics Corp. · 2005
- Descendant · cites it directly · 9 of its ownK113017 Sys*Stim 240Mettler Electronics Corp. · 2012
- Descendant · 2 generations on · 5 of its ownK223802 accufitMettler Electronics Corporation · 2023
- Descendant · 3 generations on · 4 of its ownK233926 accufitMettler Electronics Corporation · 2024
- Descendant · 4 generations on · 2 of its ownK241685 SofWave SystemSofwave Medical, Ltd. · 2024
- Descendant · cites it directly · 2 of its ownK052647 Clini-Lase System, Models CL-Base, CL-2000, CL-1200, CL-500, CL-300…American Spine Center, Ltd. · 2005
Showing 5 of 13 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 13 · See all- K113017Sys*Stim 240Mettler Electronics Corp. · 2012 · cites it directly9descendants
- K223802accufitMettler Electronics Corporation · 2023 · 2 generations on5descendants
- K233926accufitMettler Electronics Corporation · 2024 · 3 generations on4descendants
- K241685SofWave SystemSofwave Medical, Ltd. · 2024 · 4 generations on2descendants
- K052647Clini-Lase System, Models CL-Base, CL-2000, CL-1200, CL-500, CL-300, CL-275, CL-155…American Spine Center, Ltd. · 2005 · cites it directly2descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K001179 | Super Nova, Acubeam | Light Force Therapy, Inc. | 2000 | — |
| −3 | K020017 | Medx 1000 Series | Medx Electronics, Inc. | 2002 | — |
| −2 | K031329 | Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe… | Dynatronics Corp. | 2003 | — |
| −1 | K040729 | Solaris D890 Therapy Probe | Dynatronics Corp. | 2004 | — |
| 0 (this device) | K043586 | Laser Sys*Stim 540, Model ME 540 | Mettler Electronics Corp. | 2005 | — |
| +1 | K113017 | Sys*Stim 240 | Mettler Electronics Corp. | 2012 | — |
| +2 | K223802 | accufit | Mettler Electronics Corporation | 2023 | — |
| +3 | K233926 | accufit | Mettler Electronics Corporation | 2024 | — |
| +4 | K241685 | SofWave System | Sofwave Medical, Ltd. | 2024 | — |
| +1 | K052647 | Clini-Lase System, Models CL-Base, CL-2000, CL-1200, CL-500, CL-300, CL-275… | American Spine Center, Ltd. | 2005 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1995 | 4 | 0 |
| 2003 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2015 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 3 | 0 |
| 2026 | 1 | 0 |
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 ILY? 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 ILY device
- #1 K242755 Medical Diode Laser Systems (VELAS II-30B…score 18.7 · 22 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (3)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K032231 | MEDX1100 Console & Medx 100T and Duolight Laser Accessories, Medx 100 Portable LaserSummary page 1…tially equivalent to other infrared therapeutic lamps that are currently in commercial distribution. These predicate devices include the MedX 1100 Console (K03223 1), Dynatronics' Solaris D890 Therapy Probe (K040729) and Dynatronics' Solaris D880 Infrared Probe (K03 1329). Desc… | 2003 |
| * | K040729 | Solaris D890 Therapy ProbeSummary page 1…s that are currently in commercial distribution. These predicate devices include the MedX 1100 Console (K03223 1), Dynatronics' Solaris D890 Therapy Probe (K040729) and Dynatronics' Solaris D880 Infrared Probe (K03 1329). Description of Device: The Laser Sys*Stim 540, Model M… | 2004 |
| * | K031329 | Dynatron Solaris Series, Models 705, 706, 708, 709 D880 Infrared Probe (Optional…Summary page 1…predicate devices include the MedX 1100 Console (K03223 1), Dynatronics' Solaris D890 Therapy Probe (K040729) and Dynatronics' Solaris D880 Infrared Probe (K03 1329). Description of Device: The Laser Sys*Stim 540, Model ME 540, is a portable, AC and battery operated non-invasi… | 2003 |
What descends from it? (13)
See all 132 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 5 years and passes through 4 companies; a new generation was cleared every 1.3 years on median.
- None of the 9 ancestors has a recall.
- Of its descendants, K113017 (Mettler Electronics Corp., 2012) has gone furthest, with 9 descendants of its own.
- 2 other devices also cite its predicate K032231.
How does its category compare?
All ILY devicesILY Lamp, Infrared, Therapeutic Heating: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · ILY
1in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · ILY
116in 2017
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · ILY
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · ILY
17in 2025
MAUDE reports naming product code ILY, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 10 | 128 | 0 | 24 |
| 2008 | 16 | 165 | 0 | 20 |
| 2009 | 13 | 189 | 0 | 9 |
| 2010 | 8 | 185 | 1 | 7 |
| 2011 | 9 | 198 | 0 | 10 |
| 2012 | 11 | 130 | 3 | 7 |
| 2013 | 9 | 211 | 0 | 8 |
| 2014 | 11 | 153 | 0 | 0 |
| 2015 | 11 | 146 | 0 | 2 |
| 2016 | 8 | 214 | 0 | 2 |
| 2017 | 5 | 116 | 0 | 12 |
| 2018 | 0 | — | 0 | 1 |
| 2019 | 0 | — | 0 | 7 |
| 2020 | 1 | — | 0 | 5 |
| 2021 | 0 | — | 0 | 5 |
| 2022 | 2 | — | 4 | 2 |
| 2023 | 1 | — | 1 | 15 |
| 2024 | 1 | — | 0 | 19 |
| 2025 | 1 | — | 1 | 17 |
| 2026 | 1 | — | 1 | — |
What is it indicated for?
The Laser Sys*Stim 540, Model ME 540, is intended to emit energy in the infrared spectrum to provide topical heating for the purpose of elevating tissue temperature for the temporary relief of minor muscle and joint pain and stiffness, minor arthritis pain, or muscle spasm, the temporary increase in local blood circulation and/or promoting relaxation of muscles.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K043586 · printed Nov 4, 2026
Cite this page
510(k) Report. “K043586: Laser Sys*Stim 540, Model ME 540.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K043586
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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