510(k) Report

510(k) · Cleared

Recalled · Class II · 2022

KARL STORZ Slim Nasopharyngolaryngoscope

K171402510(k) TraditionalCleared Feb 2, 2018266-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

KARL STORZ Endoscopy-America, Inc. · EOB Nasopharyngoscope (Flexible Or Rigid)

Cleared on Feb 2, 2018 as substantially equivalent to K981458 (Karl Storz Endoscopy, 1998) and 1 other predicate after a 266-day review. Its family tree reaches back 2 generations to 1995. It has been recalled once.

Decided
Feb 2, 2018
Review
266 days
Class
Class II
Product code
EOB
Recalls
1
Predicates
2

Its longest line of descent runs back 2 generations to K945381 (1995). 3 ancestors in all. No later device cites it as a predicate yet.

  1. Root · 2 generations backK945381 Nasopharyngoscopes, Bronchoscopes, Tracheoscp[ES and Esophagoscopes…KARL STORZ Endoscopy-America, Inc. · 1995
  2. 1 generation backK030857 Mahe Pediatric Naso Pharyngoscope Its Associated and Ancillary…Mahe Intl., Inc. · 2003
  3. This deviceK171402 KARL STORZ Slim NasopharyngolaryngoscopeKARL STORZ Endoscopy-America, Inc. · 2018
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K945381Nasopharyngoscopes, Bronchoscopes, Tracheoscp[ES and Esophagoscopes…KARL STORZ Endoscopy-America, Inc.1995—
−1K030857Mahe Pediatric Naso Pharyngoscope Its Associated and Ancillary Equipment and…Mahe Intl., Inc.2003—
0 (this device)K171402KARL STORZ Slim NasopharyngolaryngoscopeKARL STORZ Endoscopy-America, Inc.2018—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199810
FIG. 1 — Lineage of K171402, 1995–2018Source: 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? (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
*K981458Ksea Rhino-Laryngo-Broncho-Fiberscope,Pediatric Broncho-Fiberscope, and…
Summary page 4
…duct code Consensus Standards: Predicate Primary Predicate Device: KARL STORZ Endoscopy-America’s Device(s): Karl Storz Rhino-Laryngo-Broncho-Fiberscope (K981458) Secondary Predicate Device: MAHE INTL., INC’s MAHE Pediatric Naso Pharyngoscope (K030857)…
Karl Storz Endoscopy19981
*K030857Mahe Pediatric Naso Pharyngoscope Its Associated and Ancillary Equipment and Endoscopic…
Summary page 4
…rl Storz Rhino-Laryngo-Broncho-Fiberscope (K981458) Secondary Predicate Device: MAHE INTL., INC’s MAHE Pediatric Naso Pharyngoscope (K030857) Reference: KARL STORZ Endoscopy-America’s KARL STORZ Flexible Video-Neuro-Endoscope System…
Mahe Intl., Inc.2003—
†K161112KARL STORZ Flexible Video-Neuro-Endoscope SystemKARL STORZ Endoscopy-America, Inc.2016—

Also cleared against K981458: 1 other device →

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
Apr 1, 2022Class IIZ-1054-2022Under Investigation by firmFailure to achieve the expected six-log reduction in microorganisms following the disinfection process.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 23 years and passes through 2 companies; a new generation was cleared every 14.3 years on median.
  • 1 of the 3 ancestors has a recall of any class.
  • 1 other device also cites its predicate K981458.

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. 2018, 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?

The KARL STORZ Slim Nasopharyngolaryngoscope System is indicated to provide visualization and access of the nasal lumens and airway anatomy (including nasopharyngeal and trachea) during diagnostic and therapeutic procedures in adult and pediatric patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K171402: KARL STORZ Slim Nasopharyngolaryngoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171402

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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