510(k) Report

510(k) · Cleared

Recalled · Class II · 2023

Cytosponge Cell Collection Device

K181020510(k) TraditionalCleared Aug 16, 2018121-day reviewClass II21 CFR 874.4710Recalls 1

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Covidien, LLC · EOX Esophagoscope (Flexible Or Rigid)

Cleared on Aug 16, 2018 as substantially equivalent to K152794 (Covidien, LLC, 2016) and 1 other predicate after a 121-day review. Its family tree reaches back 3 generations to 1993. 2 later devices descend from it. It has been recalled once.

Decided
Aug 16, 2018
Review
121 days
Class
Class II
Product code
EOX
Recalls
1
Predicates
2

Its longest line of descent runs back 3 generations to K934193 (1993). 4 ancestors in all. 2 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2010: 1 other ancestor2021: 1 descendant cleared2024: 1 descendant clearedK934193 · Cell-Mate (TM) Mass Cytology-Cellular Retrieval Syst · Biosearch Medical Products, Inc. · 1993K142695 · Cytosponge Cell Collection Device · Covidien, LLC · 2014K152794 · Cytosponge Cell Collection Device · Covidien, LLC · 2016 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 2 generations back: 1 other ancestor 1 generation forward: 2 descendants K152794 · Cytosponge Cell Collection Device · Covidien, LLC · 2016 · recalledK142695 · Cytosponge Cell Collection Device · Covidien, LLC · 2014K934193 · Cell-Mate (TM) Mass Cytology-Cellular Retrieval Syst · Biosearch Medical Products, Inc. · 19930
  1. Root · 3 generations backK934193 Cell-Mate (TM) Mass Cytology-Cellular Retrieval SystBiosearch Medical Products, Inc. · 1993
  2. 2 generations backK142695 Cytosponge Cell Collection DeviceCovidien, LLC · 2014
  3. 1 generation backK152794 Cytosponge Cell Collection DeviceCovidien, LLC · 2016 · Recalled
  4. This deviceK181020 Cytosponge Cell Collection DeviceCovidien, LLC · 2018
  5. Descendant · cites it directly · 0 of its ownK233142 EndoSign® Cell collection device (ES-CYT-102)Cyted Limited · 2024
  6. Descendant · cites it directly · 0 of its ownK203450 EsophaCap Swallowable Cellular Retrieval Device (changed from…Capnostics, LLC · 2021 · Recalled

Most influential descendants

Showing 2 of 2 · See all
  • K233142EndoSign® Cell collection device (ES-CYT-102)Cyted Limited · 2024 · cites it directly0descendants
  • K203450EsophaCap Swallowable Cellular Retrieval Device (changed from Cell-Mata)Capnostics, LLC · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K934193Cell-Mate (TM) Mass Cytology-Cellular Retrieval SystBiosearch Medical Products, Inc.1993—
−2K142695Cytosponge Cell Collection DeviceCovidien, LLC2014—
−1K152794Cytosponge Cell Collection DeviceCovidien, LLC20162
0 (this device)K181020Cytosponge Cell Collection DeviceCovidien, LLC2018—
+1K233142EndoSign® Cell collection device (ES-CYT-102)Cyted Limited2024—
+1K203450EsophaCap Swallowable Cellular Retrieval Device (changed from Cell-Mata)Capnostics, LLC20212

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202110
202410
FIG. 1 — Lineage of K181020, 1993–2024Source: 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
*K152794Cytosponge Cell Collection Device
Summary page 4
…t Code: EOX Establishment Registration Number, Owner/Operator Number: Establishment Registration Number: 3004904811 Owner/Operator Number: 1282497 Predicate Device(s): K152794 Cytosponge™ Cell Collection Device by Covidien llc (Primary predicate) K142695 Cytosponge™ Cell Collection Device by Covidien llc…
Covidien, LLC20162
*K142695Cytosponge Cell Collection Device
Summary page 4
…hment Registration Number: 3004904811 Owner/Operator Number: 1282497 Predicate Device(s): K152794 Cytosponge™ Cell Collection Device by Covidien llc (Primary predicate) K142695 Cytosponge™ Cell Collection Device by Covidien llc (Reference predicate) Device Description: The Cytosponge™ Cell Collection Dev…
Covidien, LLC2014—

Also cleared against K152794: 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
K233142EndoSign® Cell collection device (ES-CYT-102)Cyted Limited20240
K203450EsophaCap Swallowable Cellular Retrieval Device (changed from Cell-Mata)Capnostics, LLC20210

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

Recalls of this device

DateClassRecallRoot causeReason
Jun 2, 2023Class IIZ-2282-2023Process controlCell Collection Device may be at increased risk of the sponge detaching from the string during removal of the device from the patient, which could lead to device fragments in patient, obstruction, airway obstruction, secondary…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 25 years and passes through 2 companies; a new generation was cleared every 2.3 years on median.
  • 2 of the 4 ancestors have a recall of any class.
  • Of its descendants, K233142 (Cyted Limited, 2024) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K152794.

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. 2018, this device’s year, is highlighted.

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 Cytosponge Cell Collection Device is indicated for use in the collection and retrieval of surface cells in the esophagus for cytological and histological analyses.

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. “K181020: Cytosponge Cell Collection Device.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K181020

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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