510(k) Report

510(k) · Cleared

Cleared

Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary Equipment

K013591510(k) TraditionalCleared Dec 26, 200157-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

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

Cleared on Dec 26, 2001 as substantially equivalent to K921707 (Pentax Precision Instrument Corp., 1992) and 2 other predicates after a 57-day review. Its family tree reaches back 3 generations to 1993. 5 of the 185 devices in its family, counting itself, have a Class I recall. 176 later devices descend from it.

Decided
Dec 26, 2001
Review
57 days
Class
Class II
Product code
EOB
Recalls
None
Predicates
3

Its longest line of descent runs back 3 generations to K931154 (1993). 8 ancestors in all, the oldest K850978 (1985). 176 later devices descend from it, 7 citing it directly. 5 of the 185 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1995: 2 other ancestors1992: 1 other ancestor1993: 1 other ancestor1985: 1 other ancestor2002: 1 descendant cleared2019: 13 descendants cleared, 1 with a Class I recall12020: 19 descendants cleared2005: 1 descendant cleared2007: 1 descendant cleared2018: 11 descendants cleared2026: 17 descendants cleared2003: 1 descendant cleared2006: 1 descendant cleared, 1 with a Class I recall12008: 2 descendants cleared2022: 13 descendants cleared2023: 17 descendants cleared2012: 6 descendants cleared2014: 4 descendants cleared2017: 5 descendants cleared2010: 1 descendant cleared2013: 5 descendants cleared, 1 with a Class I recall12011: 1 descendant cleared2016: 2 descendants cleared2024: 17 descendants cleared2021: 11 descendants cleared, 1 with a Class I recall12015: 6 descendants cleared2025: 21 descendants cleared, 1 with a Class I recall1K931154 · 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 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors2 generations back: 3 other ancestors 1 generation forward: 7 descendants2 generations forward: 6 descendants, 1 with a Class I recall13 generations forward: 12 descendants, 1 with a Class I recall14 generations forward: 42 descendants5 generations forward: 58 descendants, 2 with a Class I recall26 generations forward: 30 descendants, 1 with a Class I recall17 generations forward: 9 descendants8 generations forward: 7 descendants9 generations forward: 3 descendants10 generations forward: 1 descendant11 generations forward: 1 descendant K981543 · 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 · 3 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
  2. 2 generations backK963033 BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc. · 1996 · Recalled
  3. 1 generation backK981543 Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories…The Olympus Optical Co. · 1998 · Recalled
  4. This deviceK013591 Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary…Olympus Optical Co., Ltd. · 2001
  5. Descendant · cites it directly · 160 of its ownK021073 Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc. · 2002
  6. Descendant · cites it directly · 159 of its ownK052452 Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation · 2005
  7. Descendant · 2 generations on · 159 of its ownK031648 Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd. · 2003
  8. Descendant · 2 generations on · 158 of its ownK061313 Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · Recalled (Class I)
  9. Descendant · 3 generations on · 132 of its ownK100584 Evis Exeraii 180 SystemOlympus Medical Systems Corporation · 2010 · Recalled

Showing 5 of 176 descendants. See all descendants

Descendants cleared per year

2002: 12003: 12005: 12006: 12007: 12008: 22010: 12011: 12012: 62013: 52014: 42015: 62016: 22017: 52018: 112019: 132020: 192021: 112022: 132023: 172024: 172025: 212026: 17
2002high 21 (2025) · low 0 (2004)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 176 · See all
  • K021073Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc. · 2002 · cites it directly160descendants
  • K052452Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation · 2005 · cites it directly159descendants
  • K031648Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd. · 2003 · 2 generations on159descendants
  • K061313Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · 2 generations on158descendants
  • K100584Evis Exeraii 180 SystemOlympus Medical Systems Corporation · 2010 · 3 generations on132descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K931154Evis 200 SystemOlympus Corp.1993—
−2K963033BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc.19966
−1K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and…The Olympus Optical Co.19985
0 (this device)K013591Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary EquipmentOlympus Optical Co., Ltd.2001—
+1K021073Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc.2002—
+1K052452Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation2005—
+2K031648Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd.2003—
+2K061313Evis Exera 180 SystemOlympus Medical Systems Corporation2006Class I
+3K100584Evis Exeraii 180 SystemOlympus Medical Systems Corporation20109

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199210
199310
199520

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200310
200510
200611
200710
200820
201010
201110
201260
201351
201440
201560
201620
201750
2018110
2019131
2020190
2021111
2022130
2023170
2024170
2025211
2026170
FIG. 1 — Lineage of K013591, 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.

5 devices in this family have 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 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
…CFR 876.1500 21CFR 868.5530 21CFR 874.4760 C. Predicate Devices: Device Description & Model Manufacturer 510(k)#/ Date Cleared Pentax Naso-Pharyngo- #K921707 Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 Laparoscope, #K950103 Olympus America,Inc. Hand Inst…
Pentax Precision Instrument Corp.19921
*K950103Laparoscope, Hand Instruments
Summary page 2
…on & Model Manufacturer 510(k)#/ Date Cleared Pentax Naso-Pharyngo- #K921707 Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 Laparoscope, #K950103 Olympus America,Inc. Hand Instruments 03/06/1995 LF-TP/DP #K981543 Olympus Optical Co., 08/06/1998 D. Summary Description of t…
Olympus America, Inc.1995—
*K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and Ancillary…
Summary page 2
…- #K921707 Pentax Precision Laryngosocope 07/01/1992 Instrument Corp FNL-15P2/15RP2 Laparoscope, #K950103 Olympus America,Inc. Hand Instruments 03/06/1995 LF-TP/DP #K981543 Olympus Optical Co., 08/06/1998 D. Summary Description of the Device 1. Summary This subject device "XENF-TP Rhino-Laryngofiber…
The Olympus Optical Co.19985

Also cleared against K921707: 3 other devices →

What descends from it? (176)

See all 176

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

NumberDeviceApplicantDecidedDescendants
K021073Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc.2002160
K052452Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation2005159
K070752Ksea Miniature Endoscope, Model 11565KARL STORZ Endoscopy-America, Inc.20076
K190972Ambu aScope 4 RhinoLaryngo InterventionAmbu A/S20192
K181240Rhino-Laryngo Fiberscope Olympus ENF-GP2Olympus Medical Systems Corp.20181
K252050Disposable Biopsy Forceps FB-211D, FB-221D, FB-231D, FB-241DOlympus Medical Systems Corporation20260
K200342Single Use Grasping Forceps FG-214P, Single Use Grasping Forceps FG-220P, Single Use…Olympus Medical Systems Corp.20200

Has anything in its family been recalled? (5 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.

  • K061313Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · 2 generations on · ◆ in the 2006 descendants bar of FIG. 16 Class I recalls
  • K121959Evis Exera Iii Video SystemOlympus Medical Systems Corp. · 2013 · 3 generations on · ◆ in the 2013 descendants bar of FIG. 18 Class I recalls
  • K183419EVIS EXERA III Bronchovideoscope Olympus BF-XT190Olympus Medical Systems Corp. · 2019 · 5 generations on · ◆ in the 2019 descendants bar of FIG. 12 Class I recalls
  • K250862Evis Exera Iii Bronchovideoscope (Olympus BF-XP190); Evis Exera Iii Bronchovideoscope (Olympus BF-P190)…Olympus Medical Systems Corp. · 2025 · 5 generations on · ◆ in the 2025 descendants bar of FIG. 14 Class I recalls
  • K201758EVIS EXERA III Bronchovideoscope Olympus BF-XP190, EVIS EXERA III Bronchovideoscope Olympus BF-P190Olympus Medical Systems Corp. · 2021 · 6 generations on · ◆ in the 2021 descendants bar of FIG. 11 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 2.9 years on median.
  • 4 of the 8 ancestors have a recall of any class.
  • Of its descendants, K021073 (Olympus America, Inc., 2002) has gone furthest, with 160 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?

This instrument has been designed to be used with an Olympus Light Source or an Olympus Miniature Light Source, documentation equipment, display monitor, Endo-Therapy Accessories and other ancillary equipment for endoscopic diagnosis and treatment within the nasal and nasopharyngeal lumen. MAJ-524 is a detachable battery powered Miniature Light Source, which has been designed to be used with the XENF-TP. These instruments have been designed to be used…

Read the full statement (174 words)

This instrument has been designed to be used with an Olympus Light Source or an Olympus Miniature Light Source, documentation equipment, display monitor, Endo-Therapy Accessories and other ancillary equipment for endoscopic diagnosis and treatment within the nasal and nasopharyngeal lumen.

MAJ-524 is a detachable battery powered Miniature Light Source, which has been designed to be used with the XENF-TP.

These instruments have been designed to be used with an Olympus endoscope to collect tissue within the nasal and nasopharyngeal lumen.

These instruments has been designed to be used with an Olympus endoscope to retrieve foreign bodies, calculi or resected tissue from the nasal and nasopharyngeal lumen.

These instruments has been designed to be used with an Olympus endoscope to collect tissue specimens within the nasal and nasopharyngeal lumen.

These instruments has been designed to be used with an Olympus endoscope to perform endoscopic vascular or submucosal injection within the nasal and nasopharyngeal lumen.

These instruments has been designed to be used with an Olympus endoscope for spraying medications in the nasal and nasopharyngeal lumen.

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. “K013591: Xenf-TP Rhino-Laryngofiberscope, Its Acessories 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/K013591

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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