510(k) · Cleared
ClearedMT One Diamond
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
M&T S.R.L. · GEX Powered Laser Surgical Instrument
Cleared on Oct 17, 2019 as substantially equivalent to K152714 (Quanta System Spa, 2015) and 1 other predicate after an 87-day review. Its family tree reaches back 23 generations to 1995. 1 later device descends from it.
- Decided
- Oct 17, 2019
- Review
- 87 days
- Class
- Class II
- Product code
- GEX
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 23 generations to K943450 (1995). 532 ancestors in all, the oldest K771218 (1978). 1 later device descends from it, 1 citing it directly.
- Root · 23 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 19 generations between
- 3 generations backK143519 The MeDioStar NeXT FamilyAsclepion Laser Technologies GmbH · 2015
- 2 generations backK152714 Quanta ForteQuanta System Spa · 2015
- 1 generation backK172413 MT ONEM&T S.R.L. · 2017
- This deviceK191942 MT One DiamondM&T S.R.L. · 2019
- Descendant · cites it directly · 0 of its ownK200736 Stardust MedI.T.S. Group S.R.L. · 2020
Show all 23 generations
- Root · 23 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
- 22 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
- 21 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
- 20 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
- 19 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
- 18 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
- 17 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
- 16 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
- 15 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 14 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
- 13 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
- 12 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
- 11 generations backK041959 Polaris DS/CometSyneron Medical, Ltd. · 2004
- 10 generations backK053540 Intermedic Diode Laser Family 810NM and 980NM (and the Delivery…Intermedic Arfran, SA · 2006
- 9 generations backK071295 100W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
- 8 generations backK072106 150W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
- 7 generations backK083682 180W Cerelas D 980NM Diode Laser, Model D180Biolitec, Inc. · 2009
- 6 generations backK082230 Vectra Plus Laser System and AccessoriesXintec Corporation · 2010
- 5 generations backK101916 Joule Multi-Platform SystemSciton, Inc · 2011
- 4 generations backK140009 Soprano Ice Multi-Application & Multi-Technology PlatformAlma Lasers, Ltd. · 2014
- 3 generations backK143519 The MeDioStar NeXT FamilyAsclepion Laser Technologies GmbH · 2015
- 2 generations backK152714 Quanta ForteQuanta System Spa · 2015
- 1 generation backK172413 MT ONEM&T S.R.L. · 2017
- This deviceK191942 MT One DiamondM&T S.R.L. · 2019
Most influential descendants
Showing 1 of 1 · See all- K200736Stardust MedI.T.S. Group S.R.L. · 2020 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −23 | K943450 | Arthrocare Arthroscopic Electrosurgery System Model 970 | Arthrocare Corp. | 1995 | — |
| −22 | K961069 | Arthrocare Urologic Multi-Electrode Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −21 | K962445 | Arthrocare Dental Electrosurgery System | Arthrocare Corp. | 1996 | — |
| −20 | K964849 | Arthrocare Dermatologic Electrosurgery System | Arthrocare Corp. | 1997 | — |
| −19 | K973478 | Arthrocare Sinus Electrosurgery System | Arthrocare Corp. | 1998 | — |
| −18 | K981870 | Visage Cosmetic Surgery System | Arthrocare Corp. | 1998 | — |
| −17 | K000944 | Thermage Thermacool System | Thermage, Inc. | 2000 | — |
| −16 | K013034 | Modification to: Thermacool Iia | Thermage, Inc. | 2001 | — |
| −15 | K013639 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −14 | K021402 | Thermage Thermacool TC System | Thermage, Inc. | 2002 | — |
| −13 | K030142 | Thermacool TC System | Thermage, Inc. | 2003 | — |
| −12 | K031671 | Polaris WR | Syneron Medical, Ltd. | 2003 | — |
| −11 | K041959 | Polaris DS/Comet | Syneron Medical, Ltd. | 2004 | — |
| −10 | K053540 | Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories… | Intermedic Arfran, SA | 2006 | — |
| −9 | K071295 | 100W Ceralas D 980NM Diode Laser | Biolitec, Inc. | 2007 | — |
| −8 | K072106 | 150W Ceralas D 980NM Diode Laser | Biolitec, Inc. | 2007 | — |
| −7 | K083682 | 180W Cerelas D 980NM Diode Laser, Model D180 | Biolitec, Inc. | 2009 | — |
| −6 | K082230 | Vectra Plus Laser System and Accessories | Xintec Corporation | 2010 | — |
| −5 | K101916 | Joule Multi-Platform System | Sciton, Inc | 2011 | — |
| −4 | K140009 | Soprano Ice Multi-Application & Multi-Technology Platform | Alma Lasers, Ltd. | 2014 | — |
| −3 | K143519 | The MeDioStar NeXT Family | Asclepion Laser Technologies GmbH | 2015 | — |
| −2 | K152714 | Quanta Forte | Quanta System Spa | 2015 | — |
| −1 | K172413 | MT ONE | M&T S.R.L. | 2017 | — |
| 0 (this device) | K191942 | MT One Diamond | M&T S.R.L. | 2019 | — |
| +1 | K200736 | Stardust Med | I.T.S. Group S.R.L. | 2020 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1978 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 12 | 0 |
| 1994 | 25 | 0 |
| 1995 | 27 | 0 |
| 1996 | 30 | 0 |
| 1997 | 31 | 0 |
| 1998 | 31 | 0 |
| 1999 | 27 | 0 |
| 2000 | 34 | 0 |
| 2001 | 34 | 0 |
| 2002 | 42 | 0 |
| 2003 | 47 | 0 |
| 2004 | 34 | 0 |
| 2005 | 29 | 0 |
| 2006 | 16 | 0 |
| 2007 | 17 | 0 |
| 2008 | 19 | 0 |
| 2009 | 7 | 0 |
| 2010 | 3 | 0 |
| 2011 | 3 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2020 | 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 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 K222064 The Alma Soprano Titaniumscore 38.1 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K152714 | Quanta ForteSummary page 4…21 CFR 878.4810 Classification product code: GEX Predicate Devices: Quanta Forte - QUANTA SYSTEM SPA - K152714 MT One - M&T SRL - K172413 Description of the device: MT ONE DIAMOND is a laser e… | 2015 |
| * | K172413 | MT ONESummary page 4…GEX Predicate Devices: Quanta Forte - QUANTA SYSTEM SPA - K152714 MT One - M&T SRL - K172413 Description of the device: MT ONE DIAMOND is a laser emitting device that is operated with handpiece in contact with the skin.… | 2017 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K200736 | Stardust Med | 2020 | 0 |
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 24 years and passes through 11 companies; a new generation was cleared every 10 months on median.
- 26 of the 532 ancestors have a recall of any class.
- Of its descendants, K200736 (I.T.S. Group S.R.L., 2020) has gone furthest, with 0 descendants of its own.
- 4 other devices also cite its predicate K152714.
How does its category compare?
All GEX devicesGEX Powered Laser Surgical Instrument: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.
FDA decisions per year · GEX
83in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · GEX
90in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · GEX
3in 2024
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · GEX
2,720in 2025
MAUDE reports naming product code GEX, 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 | 73 | 79 | 9 | 342 |
| 2008 | 107 | 86 | 2 | 232 |
| 2009 | 69 | 100 | 0 | 209 |
| 2010 | 50 | 96 | 4 | 1,711 |
| 2011 | 41 | 83 | 18 | 3,024 |
| 2012 | 45 | 118 | 5 | 2,000 |
| 2013 | 46 | 144 | 3 | 2,236 |
| 2014 | 61 | 147 | 6 | 2,036 |
| 2015 | 47 | 112 | 0 | 2,099 |
| 2016 | 51 | 114 | 1 | 2,585 |
| 2017 | 67 | 90 | 5 (1) | 2,977 |
| 2018 | 51 | 78 | 5 | 3,525 |
| 2019 | 41 | 88 | 6 | 2,709 |
| 2020 | 52 | 90 | 1 | 2,183 |
| 2021 | 53 | 123 | 0 | 3,465 |
| 2022 | 60 | 152 | 0 | 2,288 |
| 2023 | 52 | 87 | 6 | 2,337 |
| 2024 | 82 | 90 | 3 | 2,187 |
| 2025 | 83 | 90 | 0 | 2,720 |
| 2026 | 57 | 90 | 2 | — |
What is it indicated for?
MT ONE DIAMOND AND ITS HANDPIECE IS INDICATED FOR USE IN AESTHETIC, SURGICAL AND COSMETIC APPLICATIONS AND IN SELECTIVE TREATMENTS REQUIRED IN THE MEDICAL OF DERMATOLOGY AND GENERAL AND PLASTIC SURGERY.
MT ONE DIAMOND WITH HR808 NM LASER HANDPIECE IS INDICATED FOR HAIR REMOVAL AND PERMANENT HAIR REDUCTION.
PERMANENT HAIR REDUCTION IS DEFINED AS THE LONG TERM, STABLE REDUCTIONS IN THE NUMBER OF HAIRS WHEN MEASURED AT 6,9 AND 12 MONTHS AFTER THE COMPLETION OF A TREATMENT REGIME.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K191942 · printed Nov 6, 2026
Cite this page
510(k) Report. “K191942: MT One Diamond.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K191942
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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