510(k) Report

510(k) · Cleared

Cleared

Reliant (TM) Multistage Dilatation Balloon Catheter

K180418510(k) TraditionalCleared Oct 15, 2018242-day reviewClass II21 CFR 876.5010

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

Micro-Tech (Nanjing) Co., Ltd. · FGE Stents, Drains And Dilators For The Biliary Ducts

Cleared on Oct 15, 2018 as substantially equivalent to K162226 (Micro-Tech (Nanjing) Co., Ltd., 2017) after a 242-day review. Its family tree reaches back 5 generations to 1998. 2 later devices descend from it.

Decided
Oct 15, 2018
Review
242 days
Class
Class II
Product code
FGE
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K974788 (1998). 7 ancestors in all, the oldest K910931 (1991). 2 later devices descend from it, 2 citing it directly.

  1. Root · 5 generations backK974788 Cre (TM) Balloon Dilatation CatheterBoston Scientific Corp · 1998
  2. 4 generations backK110833 Cre Balloon Dilatation CatheterBoston Scientific Corporation · 2011 · Recalled
  3. 3 generations backK112994 Cre Ditatation BallonBoston Scientific Corporation · 2012 · Recalled
  4. 2 generations backK151671 Disposable Multistage Dilation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd. · 2015
  5. 1 generation backK162226 Reliant Multistage Dilatation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd. · 2017
  6. This deviceK180418 Reliant (TM) Multistage Dilatation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd. · 2018
  7. Descendant · cites it directly · 0 of its ownK253393 Single-use Balloon Dilatation Catheter (AG-5251-083018…Hangzhou AGS MedTech Co., Ltd. · 2026
  8. Descendant · cites it directly · 0 of its ownK253832 Dilation Balloon CatheterMirco-Tech (Nanjing) Co., Ltd. · 2026

Most influential descendants

Showing 2 of 2 · See all
  • K253393Single-use Balloon Dilatation Catheter (AG-5251-083018 AG-5251-085518 AG-5251-088018…Hangzhou AGS MedTech Co., Ltd. · 2026 · cites it directly0descendants
  • K253832Dilation Balloon CatheterMirco-Tech (Nanjing) Co., Ltd. · 2026 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K974788Cre (TM) Balloon Dilatation CatheterBoston Scientific Corp1998—
−4K110833Cre Balloon Dilatation CatheterBoston Scientific Corporation20116
−3K112994Cre Ditatation BallonBoston Scientific Corporation20126
−2K151671Disposable Multistage Dilation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd.2015—
−1K162226Reliant Multistage Dilatation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd.2017—
0 (this device)K180418Reliant (TM) Multistage Dilatation Balloon CatheterMicro-Tech (Nanjing) Co., Ltd.2018—
+1K253393Single-use Balloon Dilatation Catheter (AG-5251-083018 AG-5251-085518…Hangzhou AGS MedTech Co., Ltd.2026—
+1K253832Dilation Balloon CatheterMirco-Tech (Nanjing) Co., Ltd.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199110
200010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202620
FIG. 1 — Lineage of K180418, 1998–2026Source: 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 FGE? 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 FGE device

  1. #1 K240464 WallFlex Biliary RX Stent System; Epic Biliary…score 14.5 · 13 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? (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
*K162226Reliant Multistage Dilatation Balloon Catheter
Summary page 4
…lassification: 2 Product Code: 1) FGE, 2) KNQ Regulation Number: 876.5010 Review Panel: Gastroenterology/Urology 4. Identification of Predicate Device 510(k) Number: K162226 Product Name: ReliantTM Multistage Dilatation Balloon Catheter Common Name: ReliantTM Multistage Dilatation Balloon Catheter Regu…
Micro-Tech (Nanjing) Co., Ltd.2017—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K253393Single-use Balloon Dilatation Catheter (AG-5251-083018 AG-5251-085518 AG-5251-088018…Hangzhou AGS MedTech Co., Ltd.20260
K253832Dilation Balloon CatheterMirco-Tech (Nanjing) Co., Ltd.20260

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 20 years and passes through 3 companies; a new generation was cleared every 1.7 years on median.
  • 2 of the 7 ancestors have a recall of any class.
  • Of its descendants, K253393 (Hangzhou AGS MedTech Co., Ltd., 2026) has gone furthest, with 0 descendants of its own.

How does its category compare?

All FGE devices

FGE Stents, Drains And Dilators For The Biliary Ducts: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, this device’s year, is highlighted.

FDA decisions per year · FGE

7in 2025

2007: 42008: 112009: 72010: 92011: 92012: 82013: 52014: 82015: 82016: 42017: 92018: 72019: 22020: 42021: 12022: 62023: 62024: 62025: 72026 (partial year): 8
2007high 11 (2008) · low 1 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FGE

257in 2025

2007: 316 days median2008: 214 days median2009: 160 days median2010: 81 days median2011: 114 days median2012: 96 days median2013: 161 days median2014: 156 days median2015: 79 days median2016: 49 days median2017: 59 days median2018: 215 days median2020: 121 days median2022: 101 days median2023: 199 days median2024: 188 days median2025: 257 days median2026 (partial year): 153 days median
2007high 316 (2007) · low 49 (2016)2026

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

Recalls per year · FGE

1in 2024

2007: 542008: 932009: 182010: 322011: 22012: 42013: 32017: 12018: 432019: 132020: 12021: 272022: 212023: 192024: 12026 (partial year): 11
2007high 93 (2008) · low 0 (2014)2026

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

Adverse event reports per year · FGE

1,923in 2025

2007: 1,0062008: 1,4652009: 1,6552010: 1,4342011: 1,3212012: 1,1832013: 1,0602014: 1,2702015: 1,5432016: 1,4532017: 1,5152018: 1,6812019: 1,8962020: 2,1822021: 2,2972022: 1,7492023: 1,6152024: 1,9482025: 1,923
2007high 2,297 (2021) · low 1,006 (2007)2025

MAUDE reports naming product code FGE, 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
20074316541,006
200811214931,465
20097160181,655
2010981321,434
2011911421,321
201289641,183
2013516131,060
2014815601,270
201587901,543
201644901,453
201795911,515
20187215431,681
20192—131,896
2020412112,182
20211—272,297
20226101211,749
20236199191,615
2024618811,948
2025725701,923
2026815311—

What is it indicated for?

The Reliant(TM) Multistage Dilatation Balloon Catheter is indicated for use in adult and adolescent populations to

endoscopically dilate strictures of the gastrointestinal tract.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K180418: Reliant (TM) Multistage Dilatation Balloon Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K180418

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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