510(k) Report

510(k) · Cleared

Cleared

Self-Forming Magnet (Flexagon)

K243482510(k) TraditionalCleared Jun 11, 2025215-day reviewClass II21 CFR 878.4816

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

GI Windows, Inc. · SAH Magnetic Compression Anastomosis System

Cleared on Jun 11, 2025 as substantially equivalent to K243213 (GI Windows, Inc., 2025) after a 215-day review. Its family tree reaches back 2 generations to 2024. 2 later devices descend from it.

Decided
Jun 11, 2025
Review
215 days
Class
Class II
Product code
SAH
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to DEN240013 (2024). 2 later devices descend from it, 1 citing it directly.

Descendants, by generation 1 generation forward: 1 descendant2 generations forward: 1 descendant K243213 · Self-Forming Magnet (FLEX SFM) · GI Windows, Inc. · 2025DEN240013 · MagDI System · Gt Metabolic Solutions, Inc. · 20240
  1. Root · 2 generations backDEN240013 MagDI SystemGt Metabolic Solutions, Inc. · 2024
  2. 1 generation backK243213 Self-Forming Magnet (FLEX SFM)GI Windows, Inc. · 2025
  3. This deviceK243482 Self-Forming Magnet (Flexagon)GI Windows, Inc. · 2025
  4. Descendant · cites it directly · 1 of its ownK250541 Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc. · 2025
  5. Descendant · 2 generations on · 0 of its ownK253550 Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc. · 2026

Most influential descendants

Showing 2 of 2 · See all
  • K250541Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc. · 2025 · cites it directly1descendant
  • K253550Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc. · 2026 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2DEN240013MagDI SystemGt Metabolic Solutions, Inc.2024—
−1K243213Self-Forming Magnet (FLEX SFM)GI Windows, Inc.2025—
0 (this device)K243482Self-Forming Magnet (Flexagon)GI Windows, Inc.2025—
+1K250541Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc.2025—
+2K253550Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc.2026—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
202610
FIG. 1 — Lineage of K243482, 2024–2026Source: 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 SAH? 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 SAH device

  1. #1 K242086 MagDI System (MAG-01, DS-01)score 17.2 · 1 generation · 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
*K243213Self-Forming Magnet (FLEX SFM)
Cleared while this submission was under review
Summary page 8
…FLEX SFM Characteristics Proposed – K243482 Predicate - K243213 Core Technology Method Magnetic compression Same…
GI Windows, Inc.2025—
†DEN240013MagDI SystemGt Metabolic Solutions, Inc.2024—

What descends from it? (2)

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

NumberDeviceApplicantDecidedDescendants
K250541Self-Forming Magnet (Flexagon Plus OTOLoc)GI Windows, Inc.20251

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 1 year and passes through 2 companies; a new generation was cleared every 7 months on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K250541 (GI Windows, Inc., 2025) has gone furthest, with 1 descendant of its own.

How does its category compare?

All SAH devices

SAH Magnetic Compression Anastomosis System: FDA decisions, review times, recalls and adverse event reports over 20 years. 2025, this device’s year, is highlighted.

FDA decisions per year · SAH

4in 2025

2024: 22025: 42026 (partial year): 3
2007high 4 (2025) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · SAH

140in 2025

2025: 140 days median2026 (partial year): 135 days median
2007high 140 (2025)2026

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

Recalls per year · SAH

No recall names SAH since 2007.

Adverse event reports per year · SAH

No MAUDE report names SAH since 2007.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20070—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20190—00
20200—00
20210—00
20220—00
20230—00
20242—00
2025414000
202631350—

What is it indicated for?

The GI Windows FLEXAGON System is intended for use in the creation of side-to-side duodeno-ileal anastomoses in minimally invasive and laparoscopic surgery. Once wound strength is sufficient to maintain the anastomosis, the device is passed from the body. The effects of this device on weight loss were not studied. The GI Windows FLEXAGON is intended for use in adult patients > 21 years.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K243482: Self-Forming Magnet (Flexagon).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K243482

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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