510(k) Report

510(k) · Cleared

Recalled · Class II · 2016

Pentax Naso-Pharyngo-Laryngoscope FNL-15P2/15RP2

K921707510(k) TraditionalCleared Jul 1, 199282-day reviewClass II21 CFR 874.4760Recalls 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. · EOB Nasopharyngoscope (Flexible Or Rigid)

Cleared on Jul 1, 1992 after an 82-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 5 of the 259 devices in its family, counting itself, have a Class I recall. 258 later devices descend from it. It has been recalled once.

Decided
Jul 1, 1992
Review
82 days
Class
Class II
Product code
EOB
Recalls
1
Predicates
0

258 later devices descend from it, 4 citing it directly. 5 of the 259 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 1999: 1 descendant cleared1997: 1 descendant cleared2001: 2 descendants cleared2003: 3 descendants cleared2018: 13 descendants cleared2004: 1 descendant cleared2007: 2 descendants cleared2002: 1 descendant cleared2019: 19 descendants cleared, 1 with a Class I recall12020: 22 descendants cleared2005: 2 descendants cleared2026: 20 descendants cleared2014: 7 descendants cleared2006: 2 descendants cleared, 1 with a Class I recall12008: 5 descendants cleared2009: 2 descendants cleared2012: 9 descendants cleared2015: 10 descendants cleared2022: 20 descendants cleared2025: 28 descendants cleared, 1 with a Class I recall12023: 25 descendants cleared2017: 6 descendants cleared2010: 4 descendants cleared2013: 6 descendants cleared, 1 with a Class I recall12011: 1 descendant cleared2024: 24 descendants cleared2016: 4 descendants cleared2021: 18 descendants cleared, 1 with a Class I recall11990200020102020
  1. This deviceK921707 Pentax Naso-Pharyngo-Laryngoscope FNL-15P2/15RP2Pentax Precision Instrument Corp. · 1992
  2. Descendant · cites it directly · 176 of its ownK013591 Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary…Olympus Optical Co., Ltd. · 2001
  3. Descendant · 2 generations on · 160 of its ownK021073 Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc. · 2002
  4. Descendant · 2 generations on · 159 of its ownK052452 Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation · 2005
  5. Descendant · 3 generations on · 159 of its ownK031648 Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd. · 2003
  6. Descendant · 3 generations on · 158 of its ownK061313 Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · Recalled (Class I)

Showing 5 of 258 descendants. See all descendants

Descendants cleared per year

1997: 11999: 12001: 22002: 12003: 32004: 12005: 22006: 22007: 22008: 52009: 22010: 42011: 12012: 92013: 62014: 72015: 102016: 42017: 62018: 132019: 192020: 222021: 182022: 202023: 252024: 242025: 282026: 20
1997high 28 (2025) · low 0 (1998)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 258 · See all
  • K013591Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary EquipmentOlympus Optical Co., Ltd. · 2001 · cites it directly176descendants
  • K021073Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc. · 2002 · 2 generations on160descendants
  • K052452Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation · 2005 · 2 generations on159descendants
  • K031648Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd. · 2003 · 3 generations on159descendants
  • K061313Evis Exera 180 SystemOlympus Medical Systems Corporation · 2006 · 3 generations on158descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K921707Pentax Naso-Pharyngo-Laryngoscope FNL-15P2/15RP2Pentax Precision Instrument Corp.1992—
+1K013591Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary EquipmentOlympus Optical Co., Ltd.2001—
+2K021073Visera Rhinlaryngovideoscope Olympus Enf Type VOlympus America, Inc.2002—
+2K052452Visera Rhino-Laryngovideoscope Olympus Enf Type VTOlympus Medical Systems Corporation2005—
+3K031648Visera Rhino-Laryngovideoscope Olympus Enf Type VOlympus Optical Co., Ltd.2003—
+3K061313Evis Exera 180 SystemOlympus Medical Systems Corporation2006Class I

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
199910
200120
200210
200330
200410
200520
200621
200720
200850
200920
201040
201110
201290
201361
201470
2015100
201640
201760
2018130
2019191
2020220
2021181
2022200
2023250
2024240
2025281
2026200
FIG. 1 — Lineage of K921707, 1992–2026Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (258)

See all 258

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

NumberDeviceApplicantDecidedDescendants
K013591Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary EquipmentOlympus Optical Co., Ltd.2001176
K011869Xenf-DP Rhino-Laryngofiberscope, Its Accessories and Ancillary EquipmentThe Olympus Optical Co.200182
K992526Flexible Nasopharyngo-Laryngoscopes, Flexible BronchoscopeRichard Wolf Medical Instruments Corp.19993
K964815AP-4000, Air Pulse Sensory StimulatorPentax Precision Instrument Corp.19971

Has anything in its family been recalled? (5 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Apr 6, 2016Class IIZ-2074-2016Device 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.

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 · 3 generations on · ◆ in the 2006 descendants bar of FIG. 16 Class I recalls
  • K121959Evis Exera Iii Video SystemOlympus Medical Systems Corp. · 2013 · 4 generations on · ◆ in the 2013 descendants bar of FIG. 18 Class I recalls
  • K183419EVIS EXERA III Bronchovideoscope Olympus BF-XT190Olympus Medical Systems Corp. · 2019 · 6 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 · 6 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 · 7 generations on · ◆ in the 2021 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K013591 (Olympus Optical Co., Ltd., 2001) has gone furthest, with 176 descendants of its own.

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—
Cite this page

510(k) Report. “K921707: Pentax Naso-Pharyngo-Laryngoscope FNL-15P2/15RP2.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K921707

Report an extraction error

Tell us what is wrong; we check it against the FDA summary.

Are you the manufacturer?

Send a correction or an update to this page, for example a newer model or a public statement about a recall.

Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026