510(k) Report

510(k) · Cleared

Cleared

HANAROSTENT LowAx Colon/Rectum (NNN)

K190141510(k) SpecialCleared Mar 7, 201937-day reviewClass II21 CFR 878.3610

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

M.I.Tech Co., Ltd. · MQR Stent, Colonic, Metallic, Expandable

Cleared on Mar 7, 2019 as substantially equivalent to K183616 (M.I.Tech Co., Ltd., 2019) after a 37-day review. Its family tree reaches back 5 generations to 2000. 2 later devices descend from it.

Decided
Mar 7, 2019
Review
37 days
Class
Class II
Product code
MQR
Recalls
None
Predicates
1

Its longest line of descent runs back 5 generations to K000281 (2000). 8 ancestors in all. 2 later devices descend from it, 1 citing it directly.

  1. Root · 5 generations backK000281 Wallstent Enternal ProsthesisBoston Scientific Corp · 2000
  2. 4 generations backK042065 Wallflex Enternal Colonic Stent and Anchor Lock Delivery SystemBoston Scientific Corp · 2004 · Recalled
  3. 3 generations backK061877 Wallflex Enteral Colonic Stent with Anchor Lock Delivery SystemBoston Scientific Corp · 2006
  4. 2 generations backK180180 HANAROSTENT LowAxTM Colon/Rectum (NNN), HANAROSTENT LowAxTM…M.I.Tech Co., Ltd. · 2018
  5. 1 generation backK183616 HANAROSTENT LowAx Colon/Rectum (NNN), HANAROSTENT LowAx…M.I.Tech Co., Ltd. · 2019
  6. This deviceK190141 HANAROSTENT LowAx Colon/Rectum (NNN)M.I.Tech Co., Ltd. · 2019
  7. Descendant · cites it directly · 1 of its ownK223067 Niti-S Duodenal Stent; Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd. · 2023
  8. Descendant · 2 generations on · 0 of its ownK250663 Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd. · 2025

Most influential descendants

Showing 2 of 2 · See all
  • K223067Niti-S Duodenal Stent; Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd. · 2023 · cites it directly1descendant
  • K250663Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−5K000281Wallstent Enternal ProsthesisBoston Scientific Corp2000—
−4K042065Wallflex Enternal Colonic Stent and Anchor Lock Delivery SystemBoston Scientific Corp20041
−3K061877Wallflex Enteral Colonic Stent with Anchor Lock Delivery SystemBoston Scientific Corp2006—
−2K180180HANAROSTENT LowAxTM Colon/Rectum (NNN), HANAROSTENT LowAxTM Duodenum/Pylorus…M.I.Tech Co., Ltd.2018—
−1K183616HANAROSTENT LowAx Colon/Rectum (NNN), HANAROSTENT LowAx Duodenum/Pylorus (NNN)M.I.Tech Co., Ltd.2019—
0 (this device)K190141HANAROSTENT LowAx Colon/Rectum (NNN)M.I.Tech Co., Ltd.2019—
+1K223067Niti-S Duodenal Stent; Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd.2023—
+2K250663Niti-S Duodenal Comfort Stent, Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
200310
200620

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
202510
FIG. 1 — Lineage of K190141, 2000–2025Source: 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 MQR? 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 MQR device

  1. #1 K234046 WallFlex Colonic Stent System with Anchor Lock…score 8.8 · 7 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
*K183616HANAROSTENT LowAx Colon/Rectum (NNN), HANAROSTENT LowAx Duodenum/Pylorus (NNN)
Summary page 4
…HANAROSTENT® LowAx™ Colon/Rectum (NNN); HANAROSTENT® LowAx™ Duodenum/Pylorus (NNN) 510(k) Number: K183616 Decision Date: 01/10/2019 M.I.Tech…
M.I.Tech Co., Ltd.2019—
†K163468Evolution Duodenal Stent System - Uncovered, Evolution Colonic Stent System - UncoveredCook Ireland, Ltd.2017—
†K061877Wallflex Enteral Colonic Stent with Anchor Lock Delivery SystemBoston Scientific Corp2006—
†K111149Hanarostent Biliary (NNN)M.I.Tech Co., Ltd.2011—

Also cleared against K183616: 1 other device →

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K223067Niti-S Duodenal Stent; Niti-S Colonic Comfort StentTaewoong Medical Co., Ltd.20231

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 19 years and passes through 2 companies; a new generation was cleared every 2.0 years on median.
  • 2 of the 8 ancestors have a recall of any class.
  • Of its descendants, K223067 (Taewoong Medical Co., Ltd., 2023) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K183616.

How does its category compare?

All MQR devices

MQR Stent, Colonic, Metallic, Expandable: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · MQR

1in 2024

2012: 12018: 12019: 22020: 22024: 1
2007high 2 (2019) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · MQR

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

Recalls per year · MQR

1in 2010

2010: 1
2007high 1 (2010) · low 0 (2007)2026

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

Adverse event reports per year · MQR

29in 2025

2007: 302008: 1442009: 1532010: 712011: 402012: 1042013: 1002014: 702015: 722016: 562017: 492018: 442019: 422020: 462021: 562022: 352023: 382024: 702025: 29
2007high 153 (2009) · low 29 (2025)2025

MAUDE reports naming product code MQR, 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
20070—030
20080—0144
20090—0153
20100—171
20110—040
20121—0104
20130—0100
20140—070
20150—072
20160—056
20170—049
20181—044
20192—042
20202—046
20210—056
20220—035
20230—038
20241—070
20250—029
20260—0—

What is it indicated for?

The HANAROSTENT® LowAxTM Colon/Rectum (NNN) is indicated for the palliative treatment of colorectal strictures caused by malignant neoplasms and to relieve large bowel obstruction prior to colectomy in patients with malignant strictures.

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. “K190141: HANAROSTENT LowAx Colon/Rectum (NNN).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K190141

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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