510(k) Report

510(k) · Cleared

Cleared

Hoover Negative Pressure Access Sheath (Hoover) (Hoover Model #'s IVX-NS-1040, IVX-NS-1050, IVX-NS-1140, IVX-NS-1150, IVX-NS-1240, IVX-NS-1250

K243820510(k) TraditionalCleared Jan 31, 202550-day reviewClass II21 CFR 876.1500

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

Dornier Medtech America · FED Endoscopic Access Overtube, Gastroenterology-Urology

Cleared on Jan 31, 2025 as substantially equivalent to K161110 (Well Lead Medical Co., Ltd., 2016) after a 50-day review. Its family tree reaches back 6 generations to 1977. 1 later device descends from it.

Decided
Jan 31, 2025
Review
50 days
Class
Class II
Product code
FED
Recalls
None
Predicates
1

Its longest line of descent runs back 6 generations to K770378 (1977). 25 ancestors in all. 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2016: 2 other ancestors2014: 1 other ancestor2013: 1 other ancestor2004: 1 other ancestor2000: 1 other ancestor2012: 1 other ancestor2010: 1 other ancestor2003: 2 other ancestors1999: 4 other ancestors1977: 1 other ancestor2002: 1 other ancestor1996: 1 other ancestor1994: 1 other ancestor1988: 1 other ancestor2025: 1 descendant clearedK770378 · Laparoscope, Fiber Light, Palmer-Jacobs · Richard Wolf Medical Instruments Corp. · 1977K962256 · Galileo Hysteroscopes and Laparoscopes · Galileo Electro-Optics Corp. · 1996K031974 · Asap Hysteroscope and Gynecologic Laparoscope (Surgery) 10-00018-00, 10-0019-00, 100020-00, 10-0021-00, 10-0022-00, 10-0 · Asap Endoscopic Products GmbH · 2003K060899 · Flexilux II Cystoscope and Hysteroscope · Schoelly Imaging, Inc. · 2007K150158 · Schoelly Cystoscopes/Hysteroscopes and Accessories · Schoelly Fiberoptic GmbH · 2015 · recalledK161110 · ClearPetra Suction-Evacuation Sheath · Well Lead Medical Co., Ltd. · 201619801990200020102020
  1. Root · 6 generations backK770378 Laparoscope, Fiber Light, Palmer-JacobsRichard Wolf Medical Instruments Corp. · 1977
  2. 5 generations backK962256 Galileo Hysteroscopes and LaparoscopesGalileo Electro-Optics Corp. · 1996
  3. 4 generations backK031974 Asap Hysteroscope and Gynecologic Laparoscope (Surgery) 10-00018-00…Asap Endoscopic Products GmbH · 2003
  4. 3 generations backK060899 Flexilux II Cystoscope and HysteroscopeSchoelly Imaging, Inc. · 2007
  5. 2 generations backK150158 Schoelly Cystoscopes/Hysteroscopes and AccessoriesSchoelly Fiberoptic GmbH · 2015 · Recalled
  6. 1 generation backK161110 ClearPetra Suction-Evacuation SheathWell Lead Medical Co., Ltd. · 2016
  7. This deviceK243820 Hoover Negative Pressure Access Sheath (Hoover) (Hoover Model #'s…Dornier Medtech America · 2025
  8. Descendant · cites it directly · 0 of its ownK252572 Prodeon Urethral Sheath SystemProdeon Medical, Inc. · 2025

Most influential descendants

Showing 1 of 1 · See all
  • K252572Prodeon Urethral Sheath SystemProdeon Medical, Inc. · 2025 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K770378Laparoscope, Fiber Light, Palmer-JacobsRichard Wolf Medical Instruments Corp.1977—
−5K962256Galileo Hysteroscopes and LaparoscopesGalileo Electro-Optics Corp.1996—
−4K031974Asap Hysteroscope and Gynecologic Laparoscope (Surgery) 10-00018-00…Asap Endoscopic Products GmbH2003—
−3K060899Flexilux II Cystoscope and HysteroscopeSchoelly Imaging, Inc.2007—
−2K150158Schoelly Cystoscopes/Hysteroscopes and AccessoriesSchoelly Fiberoptic GmbH20151
−1K161110ClearPetra Suction-Evacuation SheathWell Lead Medical Co., Ltd.2016—
0 (this device)K243820Hoover Negative Pressure Access Sheath (Hoover) (Hoover Model #'s IVX-NS-1040…Dornier Medtech America2025—
+1K252572Prodeon Urethral Sheath SystemProdeon Medical, Inc.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
197710
198810
199410
199610
199940
200010
200210
200320
200410
201010
201210
201310
201410
201620

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
FIG. 1 — Lineage of K243820, 1977–2025Source: 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 FED? 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 FED device

  1. #1 K241181 Disposable Ureteral Guide Sheathscore 15.0 · 5 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? (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
*K161110ClearPetra Suction-Evacuation Sheath
Summary page 5
…21 CFR 807.92(a)(3) Predicate# Predicate Trade Name (Primary Predicate is listed first) Product Code I K161110 11 ClearPetra Ureteral Access Sheath 11 FED Device Description Summary…
Well Lead Medical Co., Ltd.2016—

Also cleared against K161110: 5 other devices →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K252572Prodeon Urethral Sheath SystemProdeon Medical, Inc.20250

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 48 years and passes through 7 companies; a new generation was cleared every 8.0 years on median.
  • 2 of the 25 ancestors have a recall of any class.
  • Of its descendants, K252572 (Prodeon Medical, Inc., 2025) has gone furthest, with 0 descendants of its own.
  • 5 other devices also cite its predicate K161110.

How does its category compare?

All FED devices

FED Endoscopic Access Overtube, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · FED

11in 2025

2007: 12008: 12009: 42010: 32011: 12012: 42013: 22014: 42015: 22016: 52017: 12018: 42019: 52020: 42021: 32022: 12023: 32024: 62025: 112026 (partial year): 6
2007high 11 (2025) · low 1 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FED

120in 2025

2009: 90 days median2010: 90 days median2012: 82 days median2014: 123 days median2016: 126 days median2018: 122 days median2019: 94 days median2020: 117 days median2021: 189 days median2023: 138 days median2024: 98 days median2025: 120 days median2026 (partial year): 67 days median
2007high 189 (2021) · low 82 (2012)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · FED

4in 2024

2007: 12013: 32024: 4, 4 Class I
2007high 4 (2024) · low 0 (2008)2026

Class I (4 since 2007) Class II/III not classified

Adverse event reports per year · FED

115in 2025

2007: 142008: 182009: 192010: 192011: 202012: 352013: 252014: 342015: 352016: 292017: 322018: 342019: 302020: 332021: 552022: 362023: 532024: 642025: 115
2007high 115 (2025) · low 14 (2007)2025

MAUDE reports naming product code FED, 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
20071—114
20081—018
2009490019
2010390019
20111—020
2012482035
20132—325
20144123034
20152—035
20165126029
20171—032
20184122034
2019594030
20204117033
20213189055
20221—036
20233138053
20246984 (4)64
2025111200115
20266670—

What is it indicated for?

The Dornier Hoover Negative Pressure Access Sheath is used to establish a conduit during endoscopic urological procedures facilitating the passage of endoscopes and other instruments into the urinary tract. It is designed to establish a conduit for the treatment of urinary stones or other urinary diseases during the endoscopic procedures.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243820: Hoover Negative Pressure Access Sheath (Hoover) (Hoover Model #'s IVX-NS-1040, IVX-NS-1050, IVX-NS-1140, IVX-NS-1150, IVX-NS-1240, IVX-NS-1250.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243820

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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