510(k) · Cleared
ClearedDisposable Ureteral Guide Sheath
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Dongguan Zsr Biomedical Technology Company Limited · FED Endoscopic Access Overtube, Gastroenterology-Urology
Cleared on Aug 2, 2024 as substantially equivalent to K230748 (Youcare Technology Co.,Ltd. (Wuhan), 2023) after a 95-day review. Its family tree reaches back 5 generations to 2002. 2 later devices descend from it.
- Decided
- Aug 2, 2024
- Review
- 95 days
- Class
- Class II
- Product code
- FED
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K022135 (2002). 8 ancestors in all. 2 later devices descend from it, 2 citing it directly.
- Root · 5 generations backK022135 Ureteral Access Sheath Set (Uass)Boston Scientific Corp · 2002
- 4 generations backK122649 Navigator HD Ureteral Access Sheath SetBoston Scientific Corp · 2012
- 3 generations backK140323 Navigator HD Ureteral Access Sheath SetsBoston Scientific · 2014
- 2 generations backK151084 Well Lead Ureteral Access SheathWell Lead Medical Co., Ltd. · 2016
- 1 generation backK230748 Disposable Ureteral Access SheathYoucare Technology Co.,Ltd. (Wuhan) · 2023
- This deviceK241181 Disposable Ureteral Guide SheathDongguan Zsr Biomedical Technology Company Limited · 2024
- Descendant · cites it directly · 0 of its ownK250695 Single-use Ureteral Access SheathShenzhen HugeMed Medical Technical Development Co., Ltd. · 2025
- Descendant · cites it directly · 0 of its ownK250585 LumenaTM Ureteral Access SheathCathegenix (Xiamen) Co., Ltd. · 2025
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K022135 | Ureteral Access Sheath Set (Uass) | Boston Scientific Corp | 2002 | — |
| −4 | K122649 | Navigator HD Ureteral Access Sheath Set | Boston Scientific Corp | 2012 | — |
| −3 | K140323 | Navigator HD Ureteral Access Sheath Sets | Boston Scientific | 2014 | — |
| −2 | K151084 | Well Lead Ureteral Access Sheath | Well Lead Medical Co., Ltd. | 2016 | — |
| −1 | K230748 | Disposable Ureteral Access Sheath | Youcare Technology Co.,Ltd. (Wuhan) | 2023 | — |
| 0 (this device) | K241181 | Disposable Ureteral Guide Sheath | Dongguan Zsr Biomedical Technology Company Limited | 2024 | — |
| +1 | K250695 | Single-use Ureteral Access Sheath | Shenzhen HugeMed Medical Technical Development Co., Ltd. | 2025 | — |
| +1 | K250585 | LumenaTM Ureteral Access Sheath | Cathegenix (Xiamen) Co., Ltd. | 2025 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2003 | 1 | 0 |
| 2010 | 1 | 0 |
| 2013 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2025 | 2 | 0 |
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 K260965 CVAC Aspiration Systemscore 13.9 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K230748 | Disposable Ureteral Access SheathSummary page 5…: 21 CFR 876.1500 Regulatory Class: Class II Product code: Review FED Panel: Gastroenterology/Urology III. Predicate Devices K230748 510(k) Number: Trade Disposable Ureteral Access Sheath name: Common Endoscope and accessories name: Classificat… | 2023 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 22 years and passes through 5 companies; a new generation was cleared every 1.8 years on median.
- None of the 8 ancestors has a recall.
- Of its descendants, K250695 (Shenzhen HugeMed Medical Technical Development Co., Ltd., 2025) has gone furthest, with 0 descendants of its own.
- 1 other device also cites its predicate K230748.
How does its category compare?
All FED devicesFED Endoscopic Access Overtube, Gastroenterology-Urology: FDA decisions, review times, recalls and adverse event reports over 20 years. 2024, this device’s year, is highlighted.
FDA decisions per year · FED
11in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FED
120in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FED
4in 2024
Class I (4 since 2007) Class II/III not classified
Adverse event reports per year · FED
115in 2025
MAUDE reports naming product code FED, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 1 | — | 1 | 14 |
| 2008 | 1 | — | 0 | 18 |
| 2009 | 4 | 90 | 0 | 19 |
| 2010 | 3 | 90 | 0 | 19 |
| 2011 | 1 | — | 0 | 20 |
| 2012 | 4 | 82 | 0 | 35 |
| 2013 | 2 | — | 3 | 25 |
| 2014 | 4 | 123 | 0 | 34 |
| 2015 | 2 | — | 0 | 35 |
| 2016 | 5 | 126 | 0 | 29 |
| 2017 | 1 | — | 0 | 32 |
| 2018 | 4 | 122 | 0 | 34 |
| 2019 | 5 | 94 | 0 | 30 |
| 2020 | 4 | 117 | 0 | 33 |
| 2021 | 3 | 189 | 0 | 55 |
| 2022 | 1 | — | 0 | 36 |
| 2023 | 3 | 138 | 0 | 53 |
| 2024 | 6 | 98 | 4 (4) | 64 |
| 2025 | 11 | 120 | 0 | 115 |
| 2026 | 6 | 67 | 0 | — |
What is it indicated for?
The Disposable Ureteral Guide Sheath is used to establish a conduit during endoscopic urological procedures facilitating the passage of endoscopes and other instruments into the urinary tract
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K241181 · printed Nov 6, 2026
Cite this page
510(k) Report. “K241181: Disposable Ureteral Guide Sheath.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K241181
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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