510(k) Report

510(k) · Cleared

Cleared

Xenf-DP Rhino-Laryngofiberscope, Its Accessories and Ancillary Equipment

K011869510(k) TraditionalCleared Jul 25, 200141-day reviewClass II21 CFR 874.4760

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

The Olympus Optical Co. · EOB Nasopharyngoscope (Flexible Or Rigid)

Cleared on Jul 25, 2001 as substantially equivalent to K921707 (Pentax Precision Instrument Corp., 1992) and 2 other predicates after a 41-day review. Its family tree reaches back 4 generations to 1993. 82 later devices descend from it.

Decided
Jul 25, 2001
Review
41 days
Class
Class II
Product code
EOB
Recalls
None
Predicates
3

Its longest line of descent runs back 4 generations to K931154 (1993). 8 ancestors in all, the oldest K850978 (1985). 82 later devices descend from it, 4 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1992: 1 other ancestor1995: 1 other ancestor1993: 1 other ancestor1985: 1 other ancestor2003: 1 descendant cleared2018: 2 descendants cleared2004: 1 descendant cleared2007: 1 descendant cleared2005: 1 descendant cleared2006: 1 descendant cleared2008: 4 descendants cleared2009: 2 descendants cleared2012: 3 descendants cleared2019: 6 descendants cleared2025: 7 descendants cleared2010: 3 descendants cleared2017: 2 descendants cleared2011: 1 descendant cleared2026: 4 descendants cleared2024: 7 descendants cleared2022: 8 descendants cleared2015: 3 descendants cleared2014: 2 descendants cleared2013: 1 descendant cleared2020: 4 descendants cleared2021: 8 descendants cleared2016: 2 descendants cleared2023: 8 descendants clearedK931154 · Evis 200 System · Olympus Corp. · 1993K963033 · BF 240/P240/IT240 Bronchovideoscope & Accessories · Olympus America, Inc. · 1996 · recalledK981543 · Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and Ancillary Equipment · The Olympus Optical Co. · 1998 · recalledK002231 · LF-DP Gastrointestinal and Sigmoid Fiberscope, Accessories and Ancillary Equipment · Olympus Optical Co., Ltd. · 20011990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors 1 generation forward: 4 descendants2 generations forward: 10 descendants3 generations forward: 10 descendants4 generations forward: 10 descendants5 generations forward: 5 descendants6 generations forward: 7 descendants7 generations forward: 6 descendants8 generations forward: 11 descendants9 generations forward: 13 descendants10 generations forward: 6 descendants K002231 · LF-DP Gastrointestinal and Sigmoid Fiberscope, Accessories and Ancillary Equipment · Olympus Optical Co., Ltd. · 2001K981543 · Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and Ancillary Equipment · The Olympus Optical Co. · 1998 · recalledK963033 · BF 240/P240/IT240 Bronchovideoscope & Accessories · Olympus America, Inc. · 1996 · recalledK931154 · Evis 200 System · Olympus Corp. · 19930+5+10
  1. Root · 4 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
  2. 3 generations backK963033 BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc. · 1996 · Recalled
  3. 2 generations backK981543 Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories…The Olympus Optical Co. · 1998 · Recalled
  4. 1 generation backK002231 LF-DP Gastrointestinal and Sigmoid Fiberscope, Accessories and…Olympus Optical Co., Ltd. · 2001
  5. This deviceK011869 Xenf-DP Rhino-Laryngofiberscope, Its Accessories and Ancillary…The Olympus Optical Co. · 2001
  6. Descendant · cites it directly · 67 of its ownK040684 T-Stat Microvascular Tissue Oximeter, Model 303Spectros Corporation · 2004
  7. Descendant · 2 generations on · 63 of its ownK051257 Adult Cerebral Oximeter, Model 2040Cas Medical Systems, Inc. · 2005
  8. Descendant · 2 generations on · 59 of its ownK073036 Fore-Sight, MC-2000 SeriesCas Medical Systems, Inc. · 2008
  9. Descendant · 2 generations on · 59 of its ownK061960 Fore-Sight Cerebral Oximeter Monitor, Model 2040Cas Medical Systems, Inc. · 2006
  10. Descendant · 2 generations on · 58 of its ownK083892 Fore-Sight, Model MC-2000 Series (MC-2000, MC-2010, MC2020, MC2030)Cas Medical Systems, Inc. · 2009

Showing 5 of 82 descendants. See all descendants

Descendants cleared per year

2003: 12004: 12005: 12006: 12007: 12008: 42009: 22010: 32011: 12012: 32013: 12014: 22015: 32016: 22017: 22018: 22019: 62020: 42021: 82022: 82023: 82024: 72025: 72026: 4
2003high 8 (2021) · low 1 (2003)2026

Most influential descendants

Showing 5 of 82 · See all
  • K040684T-Stat Microvascular Tissue Oximeter, Model 303Spectros Corporation · 2004 · cites it directly67descendants
  • K051257Adult Cerebral Oximeter, Model 2040Cas Medical Systems, Inc. · 2005 · 2 generations on63descendants
  • K073036Fore-Sight, MC-2000 SeriesCas Medical Systems, Inc. · 2008 · 2 generations on59descendants
  • K061960Fore-Sight Cerebral Oximeter Monitor, Model 2040Cas Medical Systems, Inc. · 2006 · 2 generations on59descendants
  • K083892Fore-Sight, Model MC-2000 Series (MC-2000, MC-2010, MC2020, MC2030)Cas Medical Systems, Inc. · 2009 · 2 generations on58descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K931154Evis 200 SystemOlympus Corp.1993—
−3K963033BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc.19966
−2K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and…The Olympus Optical Co.19985
−1K002231LF-DP Gastrointestinal and Sigmoid Fiberscope, Accessories and Ancillary…Olympus Optical Co., Ltd.2001—
0 (this device)K011869Xenf-DP Rhino-Laryngofiberscope, Its Accessories and Ancillary EquipmentThe Olympus Optical Co.2001—
+1K040684T-Stat Microvascular Tissue Oximeter, Model 303Spectros Corporation2004—
+2K051257Adult Cerebral Oximeter, Model 2040Cas Medical Systems, Inc.2005—
+2K073036Fore-Sight, MC-2000 SeriesCas Medical Systems, Inc.2008—
+2K061960Fore-Sight Cerebral Oximeter Monitor, Model 2040Cas Medical Systems, Inc.2006—
+2K083892Fore-Sight, Model MC-2000 Series (MC-2000, MC-2010, MC2020, MC2030)Cas Medical Systems, Inc.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199210
199310
199510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200410
200510
200610
200710
200840
200920
201030
201110
201230
201310
201420
201530
201620
201720
201820
201960
202040
202180
202280
202380
202470
202570
202640
FIG. 1 — Lineage of K011869, 1993–2026Source: 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 EOB? 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 EOB device

  1. #1 K253184 Video Rhinolaryngoscope System (Disposable…score 14.4 · 12 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? (3)

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
*K921707Pentax Naso-Pharyngo-Laryngoscope FNL-15P2/15RP2
Summary page 2
…876.1500 21CFR 868.5530 21CFR 874.4760 C. Predicate Devices : Model Device Description & Manufacturer 510(k)#/ Date of Cleared Pentax Naso-Pharyngo- #K921707 Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 LF-TP/DP #K981543 Olympus Optical Co., Tracheal Intu…
Pentax Precision Instrument Corp.19921
*K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and Ancillary…
Summary page 2
…Description & Manufacturer 510(k)#/ Date of Cleared Pentax Naso-Pharyngo- #K921707 Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 LF-TP/DP #K981543 Olympus Optical Co., Tracheal Intubation Fiberscopes | 08/06/1998 LF-DP #K002231 Olympus Optical Co., Gastrointestinal and Sig…
The Olympus Optical Co.19985
*K002231LF-DP Gastrointestinal and Sigmoid Fiberscope, Accessories and Ancillary Equipment
Summary page 2
…Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 LF-TP/DP #K981543 Olympus Optical Co., Tracheal Intubation Fiberscopes | 08/06/1998 LF-DP #K002231 Olympus Optical Co., Gastrointestinal and Sigmoid 1/30/2001 Fiberscope D. Summary Description of the Device 1. Summary : This…
Olympus Optical Co., Ltd.2001—

Also cleared against K921707: 3 other devices →

What descends from it? (82)

See all 82

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

NumberDeviceApplicantDecidedDescendants
K040684T-Stat Microvascular Tissue Oximeter, Model 303Spectros Corporation200467
K181286Ambu aScope RLS SlimAmbu A/S20186
K070752Ksea Miniature Endoscope, Model 11565KARL STORZ Endoscopy-America, Inc.20076
K032092Olympus Xcyf-TP3 Cystofiberscope/NephrofiberscopeOlympus Optical Co., Ltd.20030

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 8 years and passes through 4 companies; a new generation was cleared every 2.6 years on median.
  • 4 of the 8 ancestors have a recall of any class.
  • Of its descendants, K040684 (Spectros Corporation, 2004) has gone furthest, with 67 descendants of its own.
  • 3 other devices also cite its predicate K921707.

How does its category compare?

All EOB devices

EOB Nasopharyngoscope (Flexible Or Rigid): FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · EOB

3in 2025

2007: 42008: 42009: 12010: 12011: 42012: 12014: 32015: 32016: 32017: 62018: 62019: 82020: 32021: 22022: 62023: 32024: 22025: 32026 (partial year): 5
2007high 8 (2019) · low 0 (2013)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EOB

192in 2025

2007: 37 days median2008: 38 days median2011: 209 days median2014: 282 days median2015: 115 days median2016: 174 days median2017: 216 days median2018: 230 days median2019: 149 days median2020: 175 days median2022: 178 days median2023: 107 days median2025: 192 days median2026 (partial year): 180 days median
2007high 282 (2014) · low 37 (2007)2026

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

Recalls per year · EOB

1in 2023

2011: 22022: 12023: 12026 (partial year): 1
2007high 2 (2011) · low 0 (2007)2026

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

Adverse event reports per year · EOB

1,338in 2025

2007: 12008: 12009: 32011: 32012: 42013: 52014: 52015: 132016: 162017: 182018: 232019: 512020: 472021: 3452022: 1,1582023: 1,3522024: 1,4982025: 1,338
2007high 1,498 (2024) · low 0 (2010)2025

MAUDE reports naming product code EOB, 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
200743701
200843801
20091—03
20101—00
2011420923
20121—04
20130—05
2014328205
20153115013
20163174016
20176216018
20186230023
20198149051
20203175047
20212—0345
2022617811,158
2023310711,352
20242—01,498
2025319201,338
202651801—

What is it indicated for?

The Olympus XENF-DP Rhino-Laryngofiberscope, its accessories and ancillary equipment have been designed to be used with an Olympus Light Source, documentation equipment, display monitor and other ancillary equipment for endoscopic diagnosis within the upper airway which includes the nasal cavity, nasopharynx, oropharynx, hyporpharynx and larynx.

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. “K011869: Xenf-DP Rhino-Laryngofiberscope, Its Accessories and Ancillary Equipment.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K011869

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Record history
  • FDA decision record loaded May 2, 2026
  • Summary read Oct 30, 2026 (extraction version 2d9447fa9ea4)
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026