510(k) Report

510(k) · Cleared

Cleared

Histolog® Scanner (Hardware 2.4, Software 3.3)

K241275510(k) TraditionalCleared Aug 19, 2024105-day reviewClass II21 CFR 876.1500

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

Samantree Medical SA · OWN Confocal Optical Imaging

Cleared on Aug 19, 2024 as substantially equivalent to K183640 (Mauna Kea Technologies, 2019) after a 105-day review. Its family tree reaches back 12 generations to 1995. 1 of the 80 devices in its family, counting itself, has a Class I recall.

Decided
Aug 19, 2024
Review
105 days
Class
Class II
Product code
OWN
Recalls
None
Predicates
1

Its longest line of descent runs back 12 generations to K935844 (1995). 79 ancestors in all, the oldest K822846 (1982). No later device cites it as a predicate yet. 1 of the 80 devices in this family, counting this one, has a Class I recall.

Other ancestors, by year cleared 2017: 1 other ancestor2016: 1 other ancestor2015: 1 other ancestor2014: 1 other ancestor2012: 2 other ancestors2011: 3 other ancestors2010: 1 other ancestor2009: 1 other ancestor2006: 1 other ancestor2005: 5 other ancestors2002: 4 other ancestors2001: 3 other ancestors2000: 6 other ancestors1994: 3 other ancestors2008: 1 other ancestor2004: 3 other ancestors1999: 1 other ancestor1998: 3 other ancestors1997: 7 other ancestors1996: 6 other ancestors1991: 3 other ancestors2003: 1 other ancestor, 1 with a Class I recall11993: 3 other ancestors1990: 2 other ancestors1995: 1 other ancestor1988: 1 other ancestor1986: 1 other ancestor1982: 1 other ancestorK935844 · Gip/Medi-Globe Needle System for Ultrasonic Fna · Medi-Globe Corp. · 1995K990220 · Modification of Gip/Medi-Globe Ultrasound Needle System · Medi-Globe Corp. · 1999K051247 · Sonotip II Ultrasound Needle System · Medi-Globe Corp. · 2005K070129 · Sonotip II Ultrasound Needle System · Medi-Globe Corporation · 2007K083330 · Echotip Ultra Ultrasound Needle · Cook Endoscopy · 2009K092359 · Echo Tip Ultra High Definition Ultrasound Access Needle, Model: Echo-HD-19A · Cook Ireland, Ltd. · 2009 · recalledK123676 · Cellvizio 100 Series and Cellvizio Systems with Confocal Miniprobes · Mauna Kea Technologies · 2013K132389 · Cellvizio 100 Series System and Cellvizio System with Confocal Miniprobes; Uroflex B and Cystolflex F (Both Trade Marked · Daniel & Daniel Consulting · 2014K141358 · Cellvizio 100 Series with System Confocal Miniprobes · Mauna Kea Technologies · 2014K150831 · Cellvizio 100 Series System with Confocal Miniprobes · Mauna Kea Technologies · 2015K172844 · Cellvizio 100 Series System with Confocal Miniprobes · Mauna Kea Technologies · 2017K183640 · Cellvizio 100 Series Confocal laser Imaging systems and their Confocal Miniprobes · Mauna Kea Technologies · 201919801990200020102020
Other ancestors, by generation 3 generations back: 8 other ancestors4 generations back: 13 other ancestors5 generations back: 18 other ancestors6 generations back: 15 other ancestors, 1 with a Class I recall17 generations back: 13 other ancestors K183640 · Cellvizio 100 Series Confocal laser Imaging systems and their Confocal Miniprobes · Mauna Kea Technologies · 2019K172844 · Cellvizio 100 Series System with Confocal Miniprobes · Mauna Kea Technologies · 2017K150831 · Cellvizio 100 Series System with Confocal Miniprobes · Mauna Kea Technologies · 2015K141358 · Cellvizio 100 Series with System Confocal Miniprobes · Mauna Kea Technologies · 2014K132389 · Cellvizio 100 Series System and Cellvizio System with Confocal Miniprobes; Uroflex B and Cystolflex F (Both Trade Marked · Daniel & Daniel Consulting · 2014K123676 · Cellvizio 100 Series and Cellvizio Systems with Confocal Miniprobes · Mauna Kea Technologies · 2013K092359 · Echo Tip Ultra High Definition Ultrasound Access Needle, Model: Echo-HD-19A · Cook Ireland, Ltd. · 2009 · recalledK083330 · Echotip Ultra Ultrasound Needle · Cook Endoscopy · 2009K070129 · Sonotip II Ultrasound Needle System · Medi-Globe Corporation · 2007K051247 · Sonotip II Ultrasound Needle System · Medi-Globe Corp. · 2005K990220 · Modification of Gip/Medi-Globe Ultrasound Needle System · Medi-Globe Corp. · 1999K935844 · Gip/Medi-Globe Needle System for Ultrasonic Fna · Medi-Globe Corp. · 1995−10−50
  1. Root · 12 generations backK935844 Gip/Medi-Globe Needle System for Ultrasonic FnaMedi-Globe Corp. · 1995
  2. 8 generations between
  3. 3 generations backK150831 Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies · 2015
  4. 2 generations backK172844 Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies · 2017
  5. 1 generation backK183640 Cellvizio 100 Series Confocal laser Imaging systems and their…Mauna Kea Technologies · 2019
  6. This deviceK241275 Histolog® Scanner (Hardware 2.4, Software 3.3)Samantree Medical SA · 2024
Show all 12 generations
  1. Root · 12 generations backK935844 Gip/Medi-Globe Needle System for Ultrasonic FnaMedi-Globe Corp. · 1995
  2. 11 generations backK990220 Modification of Gip/Medi-Globe Ultrasound Needle SystemMedi-Globe Corp. · 1999
  3. 10 generations backK051247 Sonotip II Ultrasound Needle SystemMedi-Globe Corp. · 2005
  4. 9 generations backK070129 Sonotip II Ultrasound Needle SystemMedi-Globe Corporation · 2007
  5. 8 generations backK083330 Echotip Ultra Ultrasound NeedleCook Endoscopy · 2009
  6. 7 generations backK092359 Echo Tip Ultra High Definition Ultrasound Access Needle, Model…Cook Ireland, Ltd. · 2009 · Recalled
  7. 6 generations backK123676 Cellvizio 100 Series and Cellvizio Systems with Confocal MiniprobesMauna Kea Technologies · 2013
  8. 5 generations backK132389 Cellvizio 100 Series System and Cellvizio System with Confocal…Daniel & Daniel Consulting · 2014
  9. 4 generations backK141358 Cellvizio 100 Series with System Confocal MiniprobesMauna Kea Technologies · 2014
  10. 3 generations backK150831 Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies · 2015
  11. 2 generations backK172844 Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies · 2017
  12. 1 generation backK183640 Cellvizio 100 Series Confocal laser Imaging systems and their…Mauna Kea Technologies · 2019
  13. This deviceK241275 Histolog® Scanner (Hardware 2.4, Software 3.3)Samantree Medical SA · 2024

Class I recalls in this family

View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−12K935844Gip/Medi-Globe Needle System for Ultrasonic FnaMedi-Globe Corp.1995—
−11K990220Modification of Gip/Medi-Globe Ultrasound Needle SystemMedi-Globe Corp.1999—
−10K051247Sonotip II Ultrasound Needle SystemMedi-Globe Corp.2005—
−9K070129Sonotip II Ultrasound Needle SystemMedi-Globe Corporation2007—
−8K083330Echotip Ultra Ultrasound NeedleCook Endoscopy2009—
−7K092359Echo Tip Ultra High Definition Ultrasound Access Needle, Model: Echo-HD-19ACook Ireland, Ltd.20091
−6K123676Cellvizio 100 Series and Cellvizio Systems with Confocal MiniprobesMauna Kea Technologies2013—
−5K132389Cellvizio 100 Series System and Cellvizio System with Confocal Miniprobes…Daniel & Daniel Consulting2014—
−4K141358Cellvizio 100 Series with System Confocal MiniprobesMauna Kea Technologies2014—
−3K150831Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies2015—
−2K172844Cellvizio 100 Series System with Confocal MiniprobesMauna Kea Technologies2017—
−1K183640Cellvizio 100 Series Confocal laser Imaging systems and their Confocal…Mauna Kea Technologies2019—
0 (this device)K241275Histolog® Scanner (Hardware 2.4, Software 3.3)Samantree Medical SA2024—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198210
198610
198810
199020
199130
199330
199430
199510
199660
199770
199830
199910
200060
200130
200240
200311
200430
200550
200610
200810
200910
201010
201130
201220
201410
201510
201610
201710
FIG. 1 — Lineage of K241275, 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.

1 device in this family has a Class I recall. 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 OWN device

  1. #1 K231854 1788 4K Camera System with Advanced Imaging…score 24.9 · 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
*K183640Cellvizio 100 Series Confocal laser Imaging systems and their Confocal Miniprobes
Summary page 4
…II III. PREDICATE DEVICE The predicate device is the Cellvizio 100 Series Confocal laser Imaging systems and their Confocal Miniprobes, Mauna Kea Technologies, K183640. IV. DEVICE DESCRIPTION The Histolog® Scanner is a digital microscopy scanner for use on excised human tissue. Its oper…
Mauna Kea Technologies2019—

Also cleared against K183640: 1 other device →

What descends from it?

No later submission names this one as a predicate yet.

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K023984Modification to Olympus Bronchoscopes BF-40 Series, BF-240 Series, and BF-160 SeriesThe Olympus Optical Co. · 2003 · 6 generations back · ◆ in the 2003 ancestors bar of FIG. 114 Class I recalls

What does this lineage say?

  • The line of descent spans 29 years and passes through 7 companies; a new generation was cleared every 2.0 years on median.
  • 22 of the 79 ancestors have a recall of any class; 1 has a Class I recall.
  • 1 other device also cites its predicate K183640.

How does its category compare?

All OWN devices

OWN Confocal Optical Imaging: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.

FDA decisions per year · OWN

3in 2025

2011: 12012: 32013: 22014: 52015: 52016: 22017: 52018: 12019: 72020: 72021: 42022: 42023: 62024: 12025: 32026 (partial year): 7
2007high 7 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · OWN

196in 2025

2012: 87 days median2014: 208 days median2015: 163 days median2017: 87 days median2019: 81 days median2020: 81 days median2021: 104 days median2022: 41 days median2023: 69 days median2025: 196 days median2026 (partial year): 63 days median
2007high 208 (2014) · low 41 (2022)2026

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

Recalls per year · OWN

1in 2024

2022: 32024: 1
2007high 3 (2022) · low 0 (2007)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · OWN

197in 2025

2015: 12016: 42017: 122018: 112019: 592020: 1052021: 3122022: 3462023: 1642024: 1652025: 197
2007high 346 (2022) · low 0 (2007)2025

MAUDE reports naming product code OWN, 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
20070—00
20080—00
20090—00
20100—00
20111—00
201238700
20132—00
2014520800
2015516301
20162—04
2017587012
20181—011
2019781059
20207810105
202141040312
20224413346
20236690164
20241—1165
202531960197
20267630—

What is it indicated for?

The Histolog® Scanner is a confocal laser system intended to allow imaging of the internal microstructure of tissues including, but not limited to, the identification of cells, vessels and their organization or architecture.

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. “K241275: Histolog® Scanner (Hardware 2.4, Software 3.3).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K241275

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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