510(k) Report

510(k) · Cleared

Cleared

Diolase 10S

K121327510(k) TraditionalCleared Feb 1, 2013275-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

Biolase Technology, Inc. · GEX Powered Laser Surgical Instrument

Cleared on Feb 1, 2013 as substantially equivalent to K100558 (Quanta System Spa, 2010) and 1 other predicate after a 275-day review. Its family tree reaches back 18 generations to 1995. 2 later devices descend from it.

Decided
Feb 1, 2013
Review
275 days
Class
Class II
Product code
GEX
Recalls
None
Predicates
2

Its longest line of descent runs back 18 generations to K943450 (1995). 381 ancestors in all, the oldest K771218 (1978). 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2012: 1 other ancestor2010: 1 other ancestor2009: 4 other ancestors2008: 4 other ancestors2007: 5 other ancestors2006: 7 other ancestors2004: 19 other ancestors2002: 36 other ancestors1995: 19 other ancestors1994: 22 other ancestors2005: 12 other ancestors2003: 30 other ancestors2001: 32 other ancestors2000: 29 other ancestors1998: 29 other ancestors1997: 29 other ancestors1999: 19 other ancestors1996: 25 other ancestors1990: 4 other ancestors1988: 2 other ancestors1993: 11 other ancestors1992: 6 other ancestors1991: 8 other ancestors1989: 3 other ancestors1985: 1 other ancestor1981: 1 other ancestor1980: 1 other ancestor1978: 1 other ancestor1986: 1 other ancestor1982: 1 other ancestor2013: 2 descendants clearedReference device: K061898 · Ezlase · Biolase Technology, Inc. · 2007Reference device: K083069 · Ezlase 10W · Biolase Technology, Inc. · 2008K943450 · 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. · 2003K041959 · Polaris DS/Comet · Syneron Medical, Ltd. · 2004K053540 · Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories That Are Used with Them to Deliver Laser Ene · Intermedic Arfran, SA · 2006×2: 2 generations cleared close together, K071295 (2007), K072106 (2007) K083613 · Quanta System Polysurge Diode Laser Family · Quanta System Spa · 2008K100558 · Quanta Diode Laser System · Quanta System Spa · 201019801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 6 other ancestors3 generations back: 18 other ancestors4 generations back: 42 other ancestors5 generations back: 47 other ancestors6 generations back: 111 other ancestors7 generations back: 87 other ancestors8 generations back: 40 other ancestors9 generations back: 11 other ancestors 1 generation forward: 2 descendants K100558 · Quanta Diode Laser System · Quanta System Spa · 2010K083613 · Quanta System Polysurge Diode Laser Family · Quanta System Spa · 2008K072106 · 150W Ceralas D 980NM Diode Laser · Biolitec, Inc. · 2007K071295 · 100W Ceralas D 980NM Diode Laser · Biolitec, Inc. · 2007K053540 · Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories That Are Used with Them to Deliver Laser Ene · Intermedic Arfran, SA · 2006K041959 · Polaris DS/Comet · Syneron Medical, Ltd. · 2004K031671 · 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 · 18 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 14 generations between
  3. 3 generations backK072106 150W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
  4. 2 generations backK083613 Quanta System Polysurge Diode Laser FamilyQuanta System Spa · 2008
  5. 1 generation backK100558 Quanta Diode Laser SystemQuanta System Spa · 2010
  6. This deviceK121327 Diolase 10SBiolase Technology, Inc. · 2013
  7. Descendant · cites it directly · 0 of its ownK131839 DC 7Dc International, LLC · 2013
  8. Descendant · cites it directly · 0 of its ownK130465 EPIC 10SBiolase Technology, Inc. · 2013
Show all 18 generations
  1. Root · 18 generations backK943450 Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp. · 1995
  2. 17 generations backK961069 Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp. · 1996
  3. 16 generations backK962445 Arthrocare Dental Electrosurgery SystemArthrocare Corp. · 1996
  4. 15 generations backK964849 Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp. · 1997
  5. 14 generations backK973478 Arthrocare Sinus Electrosurgery SystemArthrocare Corp. · 1998
  6. 13 generations backK981870 Visage Cosmetic Surgery SystemArthrocare Corp. · 1998
  7. 12 generations backK000944 Thermage Thermacool SystemThermage, Inc. · 2000
  8. 11 generations backK013034 Modification to: Thermacool IiaThermage, Inc. · 2001
  9. 10 generations backK013639 Thermage Thermacool TC SystemThermage, Inc. · 2002
  10. 9 generations backK021402 Thermage Thermacool TC SystemThermage, Inc. · 2002
  11. 8 generations backK030142 Thermacool TC SystemThermage, Inc. · 2003
  12. 7 generations backK031671 Polaris WRSyneron Medical, Ltd. · 2003
  13. 6 generations backK041959 Polaris DS/CometSyneron Medical, Ltd. · 2004
  14. 5 generations backK053540 Intermedic Diode Laser Family 810NM and 980NM (and the Delivery…Intermedic Arfran, SA · 2006
  15. 4 generations backK071295 100W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
  16. 3 generations backK072106 150W Ceralas D 980NM Diode LaserBiolitec, Inc. · 2007
  17. 2 generations backK083613 Quanta System Polysurge Diode Laser FamilyQuanta System Spa · 2008
  18. 1 generation backK100558 Quanta Diode Laser SystemQuanta System Spa · 2010
  19. This deviceK121327 Diolase 10SBiolase Technology, Inc. · 2013

Most influential descendants

Showing 2 of 2 · See all
  • K131839DC 7Dc International, LLC · 2013 · cites it directly0descendants
  • K130465EPIC 10SBiolase Technology, Inc. · 2013 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−18K943450Arthrocare Arthroscopic Electrosurgery System Model 970Arthrocare Corp.1995—
−17K961069Arthrocare Urologic Multi-Electrode Electrosurgery SystemArthrocare Corp.1996—
−16K962445Arthrocare Dental Electrosurgery SystemArthrocare Corp.1996—
−15K964849Arthrocare Dermatologic Electrosurgery SystemArthrocare Corp.1997—
−14K973478Arthrocare Sinus Electrosurgery SystemArthrocare Corp.1998—
−13K981870Visage Cosmetic Surgery SystemArthrocare Corp.1998—
−12K000944Thermage Thermacool SystemThermage, Inc.2000—
−11K013034Modification to: Thermacool IiaThermage, Inc.2001—
−10K013639Thermage Thermacool TC SystemThermage, Inc.2002—
−9K021402Thermage Thermacool TC SystemThermage, Inc.2002—
−8K030142Thermacool TC SystemThermage, Inc.2003—
−7K031671Polaris WRSyneron Medical, Ltd.2003—
−6K041959Polaris DS/CometSyneron Medical, Ltd.2004—
−5K053540Intermedic Diode Laser Family 810NM and 980NM (and the Delivery Accessories…Intermedic Arfran, SA2006—
−4K071295100W Ceralas D 980NM Diode LaserBiolitec, Inc.2007—
−3K072106150W Ceralas D 980NM Diode LaserBiolitec, Inc.2007—
−2K083613Quanta System Polysurge Diode Laser FamilyQuanta System Spa2008—
−1K100558Quanta Diode Laser SystemQuanta System Spa2010—
0 (this device)K121327Diolase 10SBiolase Technology, Inc.2013—
+1K131839DC 7Dc International, LLC2013—
+1K130465EPIC 10SBiolase Technology, Inc.2013—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197810
198010
198110
198210
198510
198610
198820
198930
199040
199180
199260
1993110
1994220
1995190
1996250
1997290
1998290
1999190
2000290
2001320
2002360
2003300
2004190
2005120
200670
200750
200840
200940
201010
201210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201320
FIG. 1 — Lineage of K121327, 1995–2013Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

Get the monthly Device Review Tracker

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
*K100558Quanta Diode Laser System
Summary page 2
…DtolaseM I 0S Expanded Indication for Use >3. PREDICATE DEVICES * (K 100558) Quanta System QUANTA Diode Laser Family by Quanta System SpA * (KI 10375) Blueshine GOLD Series by Blueshine sr]…
Quanta System Spa2010—
*K110375Blueshine's Gold SeriesBlueshine Srl2012—
†K061898EzlaseBiolase Technology, Inc.2007—
†K083069Ezlase 10WBiolase Technology, Inc.2008—

Also cleared against K100558: 13 other devices →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K131839DC 7Dc International, LLC20130
K130465EPIC 10SBiolase Technology, Inc.20130

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 18 years and passes through 7 companies; a new generation was cleared every 10 months on median.
  • 17 of the 381 ancestors have a recall of any class.
  • Of its descendants, K131839 (Dc International, LLC, 2013) has gone furthest, with 0 descendants of its own.
  • 13 other devices also cite its predicate K100558.

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. 2013, 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?

Ear, Nose and Throat and Oral Surgery: Hemostasis, incision, excision, ablation, and vaporization of tissues from the ear, nose, throat and adjacent areas, including soft tissue in the oral cavity, such as: * Removal of benign lesions from ear, nose and throat * Excision and vaporization of vocal cord nodules and polyps * Incision and excision of carcinoma in-situ * Ablation and vaporization of hyperkeratosis * Laryngeal papillectomy * Excision and…

Read the full statement (600 words)

Ear, Nose and Throat and Oral Surgery:

Hemostasis, incision, excision, ablation, and vaporization of tissues from the ear, nose, throat and adjacent areas, including soft tissue in the oral cavity, such as:

* Removal of benign lesions from ear, nose and throat

* Excision and vaporization of vocal cord nodules and polyps

* Incision and excision of carcinoma in-situ

* Ablation and vaporization of hyperkeratosis

* Laryngeal papillectomy

* Excision and vaporization of herpes simplex L and II

* Neck dissection

Arthroscopy:

Hemostasis, incision, excision, vaporization, and ablation of joint tissues during arthroscopic surgery, such as:

* Meniscectomy

* Synovectomy

* Chondromalacia

Gastroenterology:

Hemostasis, incision, excision, and vaporization of tissue in the upper and lower gastrointestinal tracts via endoscopy, such as:

* Hemostasis of upper and lower GI bleeding

* Excision and vaporization of colorectal carcinoma

* Excision of polyps

* Hemostasis of colonoscopy

* Hemostasis of esophageal varices

Orthopedics

Dissect and coagulate

General Surgery, Dematology & Plastic Surgery, and Podiatry:

Excision, ablation, vaporization, and photocoagulation of skin lesions, hemostasis, incision, excision, vaporization, ablation, and debulking of soft tissue, abdominal, rectal, skin, fat or muscle tissue, and dermabrasion, such as:

* Matrixectomy

* Excision of neuromas

* Excision of periungual and subungual warts

* Excision of plantar warts

* Excision of Keloids

* Excision of cutaneous lesions

* Hemorrhoidectomy

* Appendectomy

* Debridement of decubitus ulcer

* Hepatobiliary

* Mastectomy

* Dermabrasion

* Vaporization & hemostasis of capillary hemangioma

* Excision, vaporization & hemostasis of abdominal tumors

* Excision, vaporization & hemostasis of rectal pathology

* Pilonidal cystectomy

* Herniorrhaphy

* Adhesiolysis

* Parathyroidectomy

* Laparoscopic cholecystecomy

* Thyroidectomy

* Resection of organs

GI/GU:

Excision, vaporization, and hemostasis of abdominal and rectal tissues, such as:

* Hemorrhoidectomy

* Excision, vaporization, and hemostasis of rectal pathology

* Excision, vaporization, and hemostasis of abdominal tumors

Gynecology:

Ablation, excision, hemostasis, and vaporization of tissue, such as:

* Excision or vaporization of condylomnata acuminata

* Vaporization of CIN (cervical intraepithelial neoplasia)

* Cervical conization

* Menorrhagia

* Ovarian cystectomny

Neurosurgery:

Vaporization, coagulation, excision, incision, ablation and hemostasis of tissue, such as:

* Hemostasis in conjunction with meningiomas

* Percutaneous Disc Decompression (PLDD)

Ophthalmology:

* Dacryocystorhinostomy transcanalicular

* Open DCR

* Tumor Excision

* Blepharoplasty

Pulmonary Surgery:

Hemnostasis, vaporization, and excision of tissue, such as:

* Tracheolbronchial malignancy or stricture

* Benign and malignant pulmonary obstruction

Cardiac Surgery:

* Coagulation and hemnostasis of cardiac tissue

Thoracic Surgery:

* Thoracotomy

* Pulmonary resection

* Hemostasis

* Pericardiectomy

* Adhesiolysis

* Coagulation of blebs and bullae

Urology:

Hemostasis, vaporization, incision, coagulation, ablation, and excision of tissues, such as:

* Vaporization of urethral tumors

* Release of urethral stricture

* Removal of bladder neck obstruction

* Excision and vaporization of condyloma

* Lesions of external genitalia

* Circumcision

* Vaporization of the prostate to treat benign prostate hyperplasia (BPH)

Dermatology/Aesthetics:

* Photocoagulation of vascular & dermatological lesions of the face and extremities

* Photocoagulation of telangiectasia, venulectasia of the legs and face

* Treatment of reticular veins and branch varicosities

* Pyrogenic granuloma, lymphangiomna and lymphangiomnatosis disease, angiofibromas

* Superficial benign vascular lesions including Telangiectasias, hemangioma, Port wine stains, angiokeratoma, and benign epidermal pigment lesions as lentigines. Epidermal nevi, spider nevi.

* Dermatological surgery: Condyloma acuminate, warts, small non-malignant skin tumors, small semi-malignant tumors as basaliomas, Bowe, Kaposi sarcoma. Warty leucoplasty and ulcers debridement.

* Seborrheic keratosis

* Mixoid cyst

* Papillary varix

* Acne treatment

Vascular Surgery:

* Photocoagulation of vascular & dermatological lesions of the face and extremities

* Photocoagulation of telangiectasia, venulectasia of the legs and face

* Treatment of reticular veins and branch varicosities

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K121327: Diolase 10S.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121327

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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