510(k) Report

510(k) · Cleared

Cleared

FAMILY OF SQUARE EPIL (Alex, Alex2, Nd:Yag, Alex+Nd:Yag)

K161632510(k) TraditionalCleared Dec 8, 2016178-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

Bios S.R.L. · GEX Powered Laser Surgical Instrument

Cleared on Dec 8, 2016 as substantially equivalent to K150516 (El.En Electronic Engineering Spa, 2015) and 1 other predicate after a 178-day review. Its family tree reaches back 19 generations to 1995. 1 later device descends from it.

Decided
Dec 8, 2016
Review
178 days
Class
Class II
Product code
GEX
Recalls
None
Predicates
2

Its longest line of descent runs back 19 generations to K943450 (1995). 288 ancestors in all, the oldest K800617 (1980). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 1 other ancestor2013: 2 other ancestors2011: 3 other ancestors2010: 1 other ancestor2009: 3 other ancestors2006: 3 other ancestors2002: 30 other ancestors2004: 13 other ancestors2003: 25 other ancestors2001: 26 other ancestors2000: 24 other ancestors1999: 11 other ancestors1998: 19 other ancestors1997: 22 other ancestors2005: 8 other ancestors1996: 19 other ancestors1995: 13 other ancestors1994: 15 other ancestors1993: 9 other ancestors1991: 7 other ancestors1988: 1 other ancestor1982: 1 other ancestor1992: 4 other ancestors1990: 3 other ancestors1989: 3 other ancestors1986: 1 other ancestor1980: 1 other ancestor1985: 1 other ancestor2024: 1 descendant clearedK943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995×2: 2 generations cleared close together, K961069 (1996), K962445 (1996) K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K000944 · Thermage Thermacool System · Thermage, Inc. · 2000×2: 2 generations cleared close together, K013034 (2001), K013639 (2002) ×2: 2 generations cleared close together, K021402 (2002), K030142 (2003) K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K051214 · Aluma Skin Renewal System · Lumenis, Inc. · 2005K060448 · Lumenis One Family of Systems; Lumenis One. · Lumenis, Ltd. · 2006K072564 · Alma Lasers Harmony XL Multi-Application Platform · Alma Lasers, Ltd. · 2008K082039 · Synchro HP Platform · El.En Electronic Engineering Spa · 2009K103288 · Deka Synchro FT · El.En Electronic Engineering Spa · 2011K131095 · Deka Synchro Repla: Y Family of Laser Systems · El.En Electronic Engineering Spa · 2013K150516 · Deka Synchro Repla:Y Family of Laser Systems · El.En Electronic Engineering Spa · 201519801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 2 other ancestors3 generations back: 2 other ancestors4 generations back: 5 other ancestors5 generations back: 27 other ancestors6 generations back: 48 other ancestors7 generations back: 73 other ancestors8 generations back: 67 other ancestors9 generations back: 18 other ancestors10 generations back: 15 other ancestors11 generations back: 10 other ancestors12 generations back: 1 other ancestor 1 generation forward: 1 descendant K150516 · Deka Synchro Repla:Y Family of Laser Systems · El.En Electronic Engineering Spa · 2015K131095 · Deka Synchro Repla: Y Family of Laser Systems · El.En Electronic Engineering Spa · 2013K103288 · Deka Synchro FT · El.En Electronic Engineering Spa · 2011K082039 · Synchro HP Platform · El.En Electronic Engineering Spa · 2009K072564 · Alma Lasers Harmony XL Multi-Application Platform · Alma Lasers, Ltd. · 2008K060448 · Lumenis One Family of Systems; Lumenis One. · Lumenis, Ltd. · 2006K051214 · Aluma Skin Renewal System · Lumenis, Inc. · 2005K031671 · Polaris WR · Syneron Medical, Ltd. · 2003K030142 · Thermacool TC System · Thermage, Inc. · 2003K021402 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013639 · Thermage Thermacool TC System · Thermage, Inc. · 2002K013034 · Modification to: Thermacool Iia · Thermage, Inc. · 2001K000944 · Thermage Thermacool System · Thermage, Inc. · 2000K981870 · Visage Cosmetic Surgery System · Arthrocare Corp. · 1998K973478 · Arthrocare Sinus Electrosurgery System · Arthrocare Corp. · 1998K964849 · Arthrocare Dermatologic Electrosurgery System · Arthrocare Corp. · 1997K962445 · Arthrocare Dental Electrosurgery System · Arthrocare Corp. · 1996K961069 · Arthrocare Urologic Multi-Electrode Electrosurgery System · Arthrocare Corp. · 1996K943450 · Arthrocare Arthroscopic Electrosurgery System Model 970 · Arthrocare Corp. · 1995−15−10−50
  1. Root · 19 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 15 generations between
  3. 3 generations backK103288 Deka Synchro FTEl.En Electronic Engineering Spa · 2011
  4. 2 generations backK131095 Deka Synchro Repla: Y Family of Laser SystemsEl.En Electronic Engineering Spa · 2013
  5. 1 generation backK150516 Deka Synchro Repla:Y Family of Laser SystemsEl.En Electronic Engineering Spa · 2015
  6. This deviceK161632 FAMILY OF SQUARE EPIL (Alex, Alex2, Nd:Yag, Alex+Nd:Yag)Bios S.R.L. · 2016
  7. Descendant · cites it directly · 0 of its ownK241407 Splendor X (Alex, Alex2, Nd:YAG, Alex+Nd:YAG)Bios S.R.L. · 2024
Show all 19 generations
  1. Root · 19 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 18 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 17 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 16 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 15 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 14 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 13 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 12 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 11 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 10 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 9 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
  12. 8 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
  13. 7 generations backK051214 Aluma Skin Renewal SystemLumenis, Inc. · 2005
  14. 6 generations backK060448 Lumenis One Family of Systems; Lumenis One.Lumenis, Ltd. · 2006
  15. 5 generations backK072564 Alma Lasers Harmony XL Multi-Application PlatformAlma Lasers, Ltd. · 2008
  16. 4 generations backK082039 Synchro HP PlatformEl.En Electronic Engineering Spa · 2009
  17. 3 generations backK103288 Deka Synchro FTEl.En Electronic Engineering Spa · 2011
  18. 2 generations backK131095 Deka Synchro Repla: Y Family of Laser SystemsEl.En Electronic Engineering Spa · 2013
  19. 1 generation backK150516 Deka Synchro Repla:Y Family of Laser SystemsEl.En Electronic Engineering Spa · 2015
  20. This deviceK161632 FAMILY OF SQUARE EPIL (Alex, Alex2, Nd:Yag, Alex+Nd:Yag)Bios S.R.L. · 2016

Most influential descendants

Showing 1 of 1 · See all
  • K241407Splendor X (Alex, Alex2, Nd:YAG, Alex+Nd:YAG)Bios S.R.L. · 2024 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−19K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−18K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−17K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−16K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−15K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−14K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−13K000944Thermage Thermacool SystemThermage, Inc.2000—
−12K013034Modification to: Thermacool IiaThermage, Inc.2001—
−11K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−10K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−9K030142Thermacool TC SystemThermage, Inc.2003—
−8K031671Polaris WRSyneron Medical, Ltd.2003—
−7K051214Aluma Skin Renewal SystemLumenis, Inc.2005—
−6K060448Lumenis One Family of Systems; Lumenis One.Lumenis, Ltd.2006—
−5K072564Alma Lasers Harmony XL Multi-Application PlatformAlma Lasers, Ltd.2008—
−4K082039Synchro HP PlatformEl.En Electronic Engineering Spa2009—
−3K103288Deka Synchro FTEl.En Electronic Engineering Spa2011—
−2K131095Deka Synchro Repla: Y Family of Laser SystemsEl.En Electronic Engineering Spa2013—
−1K150516Deka Synchro Repla:Y Family of Laser SystemsEl.En Electronic Engineering Spa2015—
0 (this device)K161632FAMILY OF SQUARE EPIL (Alex, Alex2, Nd:Yag, Alex+Nd:Yag)Bios S.R.L.2016—
+1K241407Splendor X (Alex, Alex2, Nd:YAG, Alex+Nd:YAG)Bios S.R.L.2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198010
198210
198510
198610
198810
198930
199030
199170
199240
199390
1994150
1995130
1996190
1997220
1998190
1999110
2000240
2001260
2002300
2003250
2004130
200580
200630
200930
201010
201130
201320
201410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202410
FIG. 1 — Lineage of K161632, 1995–2024Source: 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
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
*K150516Deka Synchro Repla:Y Family of Laser Systems
Summary page 5
…GEX III. PREDICATE DEVICE 510(k) Number Pro Code Trade Name Applicant K150516 GEX 21 CFR 878.4810 DEKA Synchro El. En. Electronic…
El.En Electronic Engineering Spa2015—
*K140122Candela Gentlemax Family of Laser System
Summary page 5
…o El. En. Electronic Engineering S.p.A. K140122 GEX 21 CFR 878.4810 Candela Corporation GentleMAX Family of…
Candela Corp.2014—

Also cleared against K150516: 5 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K241407Splendor X (Alex, Alex2, Nd:YAG, Alex+Nd:YAG)Bios S.R.L.20240

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 21 years and passes through 8 companies; a new generation was cleared every 10 months on median.
  • 12 of the 288 ancestors have a recall of any class.
  • Of its descendants, K241407 (Bios S.R.L., 2024) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K150516.

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. 2016, 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 Nd:Yag 1064 Laser is intended for: - Removal of unwanted hair, for stable long term or permanent hair reduction and for treatment of PFB. Permanent hair reduction is defined as the long-term, stable reduction in the number of hairs regrowing when measured at 6, 9, and 12 months after the completion of a treatment regime. The lasers are indicated on all skin types Fitzpatrick I-VI including tanned skin. - Photocoagulation and hemostasis of benign…

Read the full statement (331 words)

The Nd:Yag 1064 Laser is intended for:

- Removal of unwanted hair, for stable long term or permanent hair reduction and for treatment of PFB. Permanent hair reduction is defined as the long-term, stable reduction in the number of hairs regrowing when measured at 6, 9, and 12 months after the completion of a treatment regime.

The lasers are indicated on all skin types Fitzpatrick I-VI including tanned skin.

- Photocoagulation and hemostasis of benign pigmented and vascular lesions such as but not limited to port wine stains, hemangioma, warts, telangiectasia, rosacea, venus lake, leg veins and spider veins.

- Coagulation and hemostasis of soft tissue.

- Treatment of benign pigmented lesions such as, but not limited to, lentigos (age spots), solar lentigos (sun spots), cafè au lait macules, seborrheic keratosis, nevi, chloasma, verrucae, skin tags, keratosis, tattoos (significant reduction in the intensity of black and/or blue-black tattoos) and plaques.

The laser is indicated for benign pigmented lesions to reduce lesion size, for patients with benign lesions that would potentially benefit from aggressive treatment, and for patients with benign lesions that have not responded to other laser treatments.

- Reduction of red pigmentation in hypertrophic and keloid scars where vascularity is an integral part of the scar.

- Treatment of wrinkles.

The Nd:Yag 1064 Laser is intended for:

- Temporary increase of clear nail in patients with onychomycosis (e.g., derniatophytes, Trichophyton rubrum and T. mentagrophytes, and for yeast Candida Albicans, etc.)

The Alexandrite 755 laser is intended for:

- Temporary hair reduction.

- Stable long-term or permanent hair reduction through selective targeting of melanin in hair follicles.

Permanent hair reduction is defined as the long-term, stable reduction in the number of hairs regrowing when measured at 6,9, and 12 months after the completion of a treatment regime. On all skin types (Fitzpatrick I – VI) including tanned skin.

- Treatment of benign pigmented lesions.

- Treatment of wrinkles.

- Photocoagulation of dermatological benign vascular lesions (such as port-wine stains, hemangiomas, telangiectasias).

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K161632: FAMILY OF SQUARE EPIL (Alex, Alex2, Nd:Yag, Alex+Nd:Yag).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K161632

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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