510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

Rhino-Laryngofiberscope Olympus Enf Type-XP

K221660510(k) TraditionalCleared Dec 28, 2022203-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

Olympus Medical Systems Corp. · EOB Nasopharyngoscope (Flexible Or Rigid)

Cleared on Dec 28, 2022 as substantially equivalent to K181240 (Olympus Medical Systems Corp., 2018) after a 203-day review. Its family tree reaches back 5 generations to 1993. It has been recalled once.

Decided
Dec 28, 2022
Review
203 days
Class
Class II
Product code
EOB
Recalls
1
Predicates
1

Its longest line of descent runs back 5 generations to K931154 (1993). 10 ancestors in all, the oldest K850978 (1985). No later device cites it as a predicate yet.

  1. Root · 5 generations backK931154 Evis 200 SystemOlympus Corp. · 1993
  2. 4 generations backK963033 BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc. · 1996 · Recalled
  3. 3 generations backK981543 Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories…The Olympus Optical Co. · 1998 · Recalled
  4. 2 generations backK013591 Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary…Olympus Optical Co., Ltd. · 2001
  5. 1 generation backK181240 Rhino-Laryngo Fiberscope Olympus ENF-GP2Olympus Medical Systems Corp. · 2018 · Recalled
  6. This deviceK221660 Rhino-Laryngofiberscope Olympus Enf Type-XPOlympus Medical Systems Corp. · 2022
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K931154Evis 200 SystemOlympus Corp.1993—
−4K963033BF 240/P240/IT240 Bronchovideoscope & AccessoriesOlympus America, Inc.19966
−3K981543Olympus LF-TP and LF-DP Tracheal Intubation Fiberscopes, Accessories and…The Olympus Optical Co.19985
−2K013591Xenf-TP Rhino-Laryngofiberscope, Its Acessories and Ancillary EquipmentOlympus Optical Co., Ltd.2001—
−1K181240Rhino-Laryngo Fiberscope Olympus ENF-GP2Olympus Medical Systems Corp.20181
0 (this device)K221660Rhino-Laryngofiberscope Olympus Enf Type-XPOlympus Medical Systems Corp.2022—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
199210
199310
199520
FIG. 1 — Lineage of K221660, 1993–2022Source: 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
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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
*K181240Rhino-Laryngo Fiberscope Olympus ENF-GP2
Summary page 5
…Predicate Device 510(k) No. RHINO-LARYNGO FIBERSCOPE OLYMPUS ENF-GP2 K181240 Product Description RHINO-LARYNGOFIBERSCOPE OLYMPUS ENF TYPE XP is intended to be used with an Olympus video system center, do…
Olympus Medical Systems Corp.20181

What descends from it?

No later submission names this one as a predicate yet.

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

Recalls of this device

DateClassRecallRoot causeReason
Dec 4, 2023Class IIZ-0688-2024Under Investigation by firmOlympus has updated the instructions for use: Reusable cleaning brushes have been removed from the manual cleaning. Single use brushes remain compatible.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 29 years and passes through 5 companies; a new generation was cleared every 3.6 years on median.
  • 5 of the 10 ancestors have a recall of any class.

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. 2022, this device’s year, is highlighted.

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?

RHINO-LARYNGOFIBERSCOPE OLYMPUS ENF TYPE XP is intended to be used with an Olympus video system center, documentation equipment, display monitor, and other ancillary equipment for endoscopic diagnosis. RHINO-LARYNGOFIBERSCOPE OLYMPUS ENF TYPE XP is indicated for use within the nasal and nasopharyngeal lumen.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K221660: Rhino-Laryngofiberscope Olympus Enf Type-XP.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K221660

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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