510(k) Report

510(k) · Cleared

Recalled · Class II · 2016

Kec-3840L/F, Video Colonoscope (*L or F in Model Number Denotes Length)

K961570510(k) TraditionalCleared Jun 24, 199662-day reviewClass II21 CFR 876.1500Recalls 1

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

Pentax Precision Instrument Corp. · FDF Colonoscope And Accessories, Flexible/Rigid

Cleared on Jun 24, 1996 as substantially equivalent to K951574 (Pentax Precision Instrument Corp., 1996) and 1 other predicate after a 62-day review. Its family tree reaches back 2 generations to 1982. 39 later devices descend from it. It has been recalled once.

Decided
Jun 24, 1996
Review
62 days
Class
Class II
Product code
FDF
Recalls
1
Predicates
2

Its longest line of descent runs back 2 generations to K822846 (1982). 4 ancestors in all. 39 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1994: 2 other ancestors2004: 1 descendant cleared2007: 1 descendant cleared2008: 1 descendant cleared2006: 1 descendant cleared2010: 3 descendants cleared2012: 6 descendants cleared2009: 1 descendant cleared2015: 2 descendants cleared2017: 4 descendants cleared2026: 1 descendant cleared2014: 3 descendants cleared2016: 4 descendants cleared2019: 2 descendants cleared2013: 2 descendants cleared2020: 1 descendant cleared2018: 2 descendants cleared2021: 1 descendant cleared2022: 1 descendant cleared2023: 1 descendant cleared2024: 1 descendant clearedK822846 · Pentax FC-38LA & FC-38SA Colonofiber · Pentax Precision Instrument Corp. · 1982K951574 · EC-3800L, Video Colonoscope · Pentax Precision Instrument Corp. · 1996 · recalled19801990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 6 descendants3 generations forward: 13 descendants4 generations forward: 7 descendants5 generations forward: 3 descendants6 generations forward: 3 descendants7 generations forward: 2 descendants8 generations forward: 2 descendants9 generations forward: 1 descendant10 generations forward: 1 descendant K951574 · EC-3800L, Video Colonoscope · Pentax Precision Instrument Corp. · 1996 · recalledK822846 · Pentax FC-38LA & FC-38SA Colonofiber · Pentax Precision Instrument Corp. · 19820+5+10
  1. Root · 2 generations backK822846 Pentax FC-38LA & FC-38SA ColonofiberPentax Precision Instrument Corp. · 1982
  2. 1 generation backK951574 EC-3800L, Video ColonoscopePentax Precision Instrument Corp. · 1996 · Recalled
  3. This deviceK961570 Kec-3840L/F, Video Colonoscope (*L or F in Model Number Denotes…Pentax Precision Instrument Corp. · 1996
  4. Descendant · cites it directly · 38 of its ownK032688 Colonosight Model 510BSightline Technologies, Ltd. · 2004
  5. Descendant · 2 generations on · 13 of its ownK091305 ClearpathEasyglide, Ltd. · 2009
  6. Descendant · 2 generations on · 13 of its ownK052930 Navigator Endoscopy SystemNeoguide Systems, Inc. · 2006
  7. Descendant · 2 generations on · 12 of its ownK070622 Neoguide Endoscopy SystemNeoguide Systems, Inc. · 2007
  8. Descendant · 3 generations on · 10 of its ownK093779 Clearpath UgiEasyglide, Ltd. · 2010

Showing 5 of 39 descendants. See all descendants

Descendants cleared per year

2004: 12006: 12007: 12008: 12009: 12010: 32012: 62013: 22014: 32015: 22016: 42017: 42018: 22019: 22020: 12021: 12022: 12023: 12024: 12026: 1
2004high 6 (2012) · low 0 (2005)2026

Most influential descendants

Showing 5 of 39 · See all
  • K032688Colonosight Model 510BSightline Technologies, Ltd. · 2004 · cites it directly38descendants
  • K091305ClearpathEasyglide, Ltd. · 2009 · 2 generations on13descendants
  • K052930Navigator Endoscopy SystemNeoguide Systems, Inc. · 2006 · 2 generations on13descendants
  • K070622Neoguide Endoscopy SystemNeoguide Systems, Inc. · 2007 · 2 generations on12descendants
  • K093779Clearpath UgiEasyglide, Ltd. · 2010 · 3 generations on10descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K822846Pentax FC-38LA & FC-38SA ColonofiberPentax Precision Instrument Corp.1982—
−1K951574EC-3800L, Video ColonoscopePentax Precision Instrument Corp.19963
0 (this device)K961570Kec-3840L/F, Video Colonoscope (*L or F in Model Number Denotes Length)Pentax Precision Instrument Corp.1996—
+1K032688Colonosight Model 510BSightline Technologies, Ltd.2004—
+2K091305ClearpathEasyglide, Ltd.2009—
+2K052930Navigator Endoscopy SystemNeoguide Systems, Inc.2006—
+2K070622Neoguide Endoscopy SystemNeoguide Systems, Inc.2007—
+3K093779Clearpath UgiEasyglide, Ltd.2010—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199420

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200610
200710
200810
200910
201030
201260
201320
201430
201520
201640
201740
201820
201920
202010
202110
202210
202310
202410
202610
FIG. 1 — Lineage of K961570, 1982–2026Source: 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 FDF? 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 FDF device

  1. #1 K230332 Ambu® aScope™ Colon; Ambu® aBox™ 2score 20.1 · 8 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? (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
*K951574EC-3800L, Video Colonoscope
Summary page 1
…840L/F, Video Colonoscope Classification Name: Colonoscope, Gastro- Urology (78FDF), 876.1500 3. PREDICATED DEVICE(S) INFORMATION: 1. EC-3800L, Video Colonoscope Pentax K951574 2. EPM-3300, Video Processor Pentax K934918 4. DEVICE DESCRIPTION: The EC-3840L/F, Video Colonoscope (L or F in model number de…
Pentax Precision Instrument Corp.19963
*K934918Epm-3300 Video Processor
Summary page 1
…e: Colonoscope, Gastro- Urology (78FDF), 876.1500 3. PREDICATED DEVICE(S) INFORMATION: 1. EC-3800L, Video Colonoscope Pentax K951574 2. EPM-3300, Video Processor Pentax K934918 4. DEVICE DESCRIPTION: The EC-3840L/F, Video Colonoscope (L or F in model number denotes length), must be used with a Video Pro…
Pentax Precision Instrument Corp.1994—

Also cleared against K951574: 7 other devices →

What descends from it? (39)

See all 39

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

NumberDeviceApplicantDecidedDescendants
K032688Colonosight Model 510BSightline Technologies, Ltd.200438

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 6, 2016Class IIZ-2068-2016Device DesignPentax has become aware that operational/cleaning accessories and therapeutic devices (e.g., clips, stents, balloons, etc.) can become lodged in an endoscope's instrument channel.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 14 years and passes through 1 company; a new generation was cleared every 13.4 years on median.
  • 1 of the 4 ancestors has a recall of any class.
  • Of its descendants, K032688 (Sightline Technologies, Ltd., 2004) has gone furthest, with 38 descendants of its own.
  • 7 other devices also cite its predicate K951574.

How does its category compare?

All FDF devices

FDF Colonoscope And Accessories, Flexible/Rigid: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FDF

4in 2025

2007: 42008: 22009: 62010: 42011: 22012: 72013: 22014: 62015: 22016: 72017: 42018: 72019: 42020: 42021: 32022: 52023: 62024: 22025: 42026 (partial year): 5
2007high 7 (2012) · low 2 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FDF

194in 2025

2007: 70 days median2009: 91 days median2010: 101 days median2012: 241 days median2014: 164 days median2016: 98 days median2017: 36 days median2018: 101 days median2019: 56 days median2020: 250 days median2021: 30 days median2022: 147 days median2023: 203 days median2025: 194 days median2026 (partial year): 147 days median
2007high 250 (2020) · low 30 (2021)2026

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

Recalls per year · FDF

8in 2023

2015: 12016: 12020: 12023: 8
2007high 8 (2023) · low 0 (2007)2026

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

Adverse event reports per year · FDF

17,231in 2025

2007: 812008: 682009: 832010: 482011: 772012: 882013: 632014: 602015: 1002016: 1702017: 3702018: 3882019: 4172020: 6872021: 2,4442022: 8,3452023: 11,7482024: 12,1282025: 17,231
2007high 17,231 (2025) · low 48 (2010)2025

MAUDE reports naming product code FDF, 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
2007470081
20082—068
2009691083
20104101048
20112—077
20127241088
20132—063
20146164060
20152—1100
20167981170
20174360370
201871010388
20194560417
202042501687
202133002,444
2022514708,345
20236203811,748
20242—012,128
20254194017,231
202651470—

What is it indicated for?

The EC-3840L/F, Video Colonoscope, is intended to provide visualization (via a video monitor)

of, and therapeutic access to, the Lower Gastrointestinal Tract. The Lower Gastrointestinal Tract

includes, but is not restricted to, the organs, tissues; and subsystems: Large Bowel. The instrument is

introduced per rectally when indications consistent with the requirement for the procedure are observed

in Adult and Pediatric patient populations.

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. “K961570: Kec-3840L/F, Video Colonoscope (*L or F in Model Number Denotes Length).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K961570

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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