510(k) Report

510(k) · Cleared

Cleared

Karl Storz Trans-Nasal Esophagoscope

K051972510(k) TraditionalCleared Aug 15, 200525-day reviewClass II21 CFR 874.4710

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. · EOX Esophagoscope (Flexible Or Rigid)

Cleared on Aug 15, 2005 as substantially equivalent to K981458 (Karl Storz Endoscopy, 1998) and 1 other predicate after a 25-day review. Its family tree reaches back 5 generations to 1992. 2 later devices descend from it.

Decided
Aug 15, 2005
Review
25 days
Class
Class II
Product code
EOX
Recalls
None
Predicates
2

Its longest line of descent runs back 5 generations to K921244 (1992). 13 ancestors in all. 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1998: 1 other ancestor2002: 1 other ancestor1999: 1 other ancestor1996: 1 other ancestor1993: 2 other ancestors1994: 1 other ancestor1992: 1 other ancestor2022: 1 descendant cleared2020: 1 descendant clearedK921244 · Disposable Protective Sheath · Vision-Sciences, Inc. · 1992K961591 · Disposable Endosheath for E-F100 Flexible Nasopharyngoscope · Vision-Sciences, Inc. · 1996K963795 · Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable Endosheath · Vision-Sciences, Inc. · 1996K021344 · B-F200 Bronchoscope with BSS-F21 Endosheath System · Vision-Sciences, Inc. · 2002K031786 · Tne-2000 Esophagoscope with Ecs-D Endosheath System · Vision-Sciences, Inc. · 20031990200020102020
  1. Root · 5 generations backK921244 Disposable Protective SheathVision-Sciences, Inc. · 1992
  2. 4 generations backK961591 Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc. · 1996
  3. 3 generations backK963795 Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21…Vision-Sciences, Inc. · 1996
  4. 2 generations backK021344 B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc. · 2002
  5. 1 generation backK031786 Tne-2000 Esophagoscope with Ecs-D Endosheath SystemVision-Sciences, Inc. · 2003
  6. This deviceK051972 Karl Storz Trans-Nasal EsophagoscopeKARL STORZ Endoscopy-America, Inc. · 2005
  7. Descendant · cites it directly · 0 of its ownK223072 PENTAX Medical Video Esophagoscope EE17-J10Pentax of America, Inc. · 2022
  8. Descendant · cites it directly · 0 of its ownK192523 CMOS Video Esophagoscope SSUKarl Storz SE & CO. KG · 2020

Most influential descendants

Showing 2 of 2 · See all
  • K223072PENTAX Medical Video Esophagoscope EE17-J10Pentax of America, Inc. · 2022 · cites it directly0descendants
  • K192523CMOS Video Esophagoscope SSUKarl Storz SE & CO. KG · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K921244Disposable Protective SheathVision-Sciences, Inc.1992—
−4K961591Disposable Endosheath for E-F100 Flexible NasopharyngoscopeVision-Sciences, Inc.1996—
−3K963795Vision-Sciences Model B-F100 Bronchoscope with Model BS-F21 Disposable…Vision-Sciences, Inc.1996—
−2K021344B-F200 Bronchoscope with BSS-F21 Endosheath SystemVision-Sciences, Inc.2002—
−1K031786Tne-2000 Esophagoscope with Ecs-D Endosheath SystemVision-Sciences, Inc.2003—
0 (this device)K051972Karl Storz Trans-Nasal EsophagoscopeKARL STORZ Endoscopy-America, Inc.2005—
+1K223072PENTAX Medical Video Esophagoscope EE17-J10Pentax of America, Inc.2022—
+1K192523CMOS Video Esophagoscope SSUKarl Storz SE & CO. KG2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199320
199410
199610
199810
199910
200210

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202210
FIG. 1 — Lineage of K051972, 1992–2022Source: 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 EOX? 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 EOX device

  1. #1 K222366 EsoCheck Cell Collection Devicescore 7.8 · 3 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? (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 1
…or differences between the Karl Storz Trans-Nasal uses Esophagoscopes and the KSEA Rhino-Laryngo-Broncho-Fiberscope and Broncho- Fiberscope (K981458), and the TNE-2000 marketed by Vision Sciences, Inc. (K031786) raise no new issues of safety and effectiveness, as these des…
Karl Storz Endoscopy19981
*K031786Tne-2000 Esophagoscope with Ecs-D Endosheath System
Summary page 1
…uses Esophagoscopes and the KSEA Rhino-Laryngo-Broncho-Fiberscope and Broncho- Fiberscope (K981458), and the TNE-2000 marketed by Vision Sciences, Inc. (K031786) raise no new issues of safety and effectiveness, as these design differences have…
Vision-Sciences, Inc.2003—

Also cleared against K981458: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K223072PENTAX Medical Video Esophagoscope EE17-J10Pentax of America, Inc.20220
K192523CMOS Video Esophagoscope SSUKarl Storz SE & CO. KG20200

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 13 years and passes through 2 companies; a new generation was cleared every 2.0 years on median.
  • 1 of the 13 ancestors has a recall of any class.
  • Of its descendants, K223072 (Pentax of America, Inc., 2022) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K981458.

How does its category compare?

All EOX devices

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

FDA decisions per year · EOX

1in 2024

2007: 22011: 12012: 12013: 12014: 12016: 12018: 22019: 22020: 12021: 22022: 22023: 12024: 1
2007high 2 (2007) · low 0 (2008)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · EOX

Too few EOX 510(k)s in any year since 2007 to give a median.

Recalls per year · EOX

2in 2011

2011: 2
2007high 2 (2011) · low 0 (2007)2026

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

Adverse event reports per year · EOX

2in 2024

2009: 12010: 12012: 12015: 12016: 32017: 12020: 22022: 12023: 122024: 2
2007high 12 (2023) · low 0 (2007)2025

MAUDE reports naming product code EOX, 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
20072—00
20080—00
20090—01
20100—01
20111—20
20121—01
20131—00
20141—00
20150—01
20161—03
20170—01
20182—00
20192—00
20201—02
20212—00
20222—01
20231—012
20241—02
20250—00
20260—0—

What is it indicated for?

The Karl Storz Trans-Nasal Esophagoscopes are designed to be used by qualified surgeons and physicians and are indicated for endoscopic access and examination of the nasal sinuses, larynx, esophagus and gastro-esophageal junction and, using additional accessories, to perform various diagnostic and therapeutic procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K051972: Karl Storz Trans-Nasal Esophagoscope.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K051972

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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