510(k) Report

De Novo · Granted

Granted

t:slim X2 insulin pump with interoperable technology

DEN180058De NovoGranted Feb 14, 2019108-day reviewClass II21 CFR 880.5730

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

Tandem Diabetes Care, Inc. · QFG Alternate Controller Enabled Insulin Infusion Pump

Granted on Feb 14, 2019 as a new device type through De Novo after a 108-day review. 8 of the 31 devices in its family, counting itself, have a Class I recall. 30 later devices descend from it.

Decided
Feb 14, 2019
Review
108 days
Class
Class II
Product code
QFG
Recalls
None

30 later devices descend from it, 3 citing it directly. 8 of the 31 devices in this family, counting this one, have a Class I recall.

Descendants, by year cleared 2019: 1 descendant cleared2023: 9 descendants cleared, 4 with a Class I recall42020: 1 descendant cleared, 1 with a Class I recall12024: 5 descendants cleared, 2 with a Class I recall22022: 2 descendants cleared, 1 with a Class I recall12025: 5 descendants cleared2026: 7 descendants cleared201620182020202220242026
  1. This deviceDEN180058 t:slim X2 insulin pump with interoperable technologyTandem Diabetes Care, Inc. · 2019
  2. Descendant · cites it directly · 17 of its ownK201214 t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2020 · Recalled (Class I)
  3. Descendant · 2 generations on · 12 of its ownK203234 t:slim X2 Insulin Pump with Interoperable Technology (with t:connect…Tandem Diabetes Care, Inc. · 2022 · Recalled (Class I)
  4. Descendant · 3 generations on · 6 of its ownK232380 t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2023 · Recalled (Class I)
  5. Descendant · cites it directly · 6 of its ownK191679 Omnipod DASH Insulin Management System with interoperable technologyInsulet Corporation · 2019
  6. Descendant · 4 generations on · 4 of its ownK251032 MiniMed 780G insulin pumpMedtronic Minimed, Inc. · 2025 · Recalled

Showing 5 of 30 descendants. See all descendants

Descendants cleared per year

2019: 12020: 12022: 22023: 92024: 52025: 52026: 7
2019high 9 (2023) · low 0 (2021)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 30 · See all
  • K201214t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2020 · cites it directly17descendants
  • K203234t:slim X2 Insulin Pump with Interoperable Technology (with t:connect mobile app)Tandem Diabetes Care, Inc. · 2022 · 2 generations on12descendants
  • K232380t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2023 · 3 generations on6descendants
  • K191679Omnipod DASH Insulin Management System with interoperable technologyInsulet Corporation · 2019 · cites it directly6descendants
  • K251032MiniMed 780G insulin pumpMedtronic Minimed, Inc. · 2025 · 4 generations on4descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)DEN180058t:slim X2 insulin pump with interoperable technologyTandem Diabetes Care, Inc.2019—
+1K201214t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc.2020Class I
+2K203234t:slim X2 Insulin Pump with Interoperable Technology (with t:connect mobile app)Tandem Diabetes Care, Inc.2022Class I
+3K232380t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc.2023Class I
+1K191679Omnipod DASH Insulin Management System with interoperable technologyInsulet Corporation2019—
+4K251032MiniMed 780G insulin pumpMedtronic Minimed, Inc.20256

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202011
202221
202394
202452
202550
202670
FIG. 1 — Lineage of DEN180058, 2019–2026Source: 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 De Novo 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.

8 devices in this family have a Class I recall. 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 QFG device

  1. #1 K251032 MiniMed 780G insulin pumpscore 19.6 · 11 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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Does it have a predicate?

De Novo decisions do not claim a predicate device.

What descends from it? (30)

See all 30

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

NumberDeviceApplicantDecidedDescendants
K201214t:slim X2 Insulin Pump with Interoperable Technology Class ITandem Diabetes Care, Inc.202017
K191679Omnipod DASH Insulin Management System with interoperable technologyInsulet Corporation20196
K213536DEKA ACE Pump SystemDeka Research and Development20234

Has anything in its family been recalled? (8 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K201214t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2020 · Cites it directly · ◆ in the 2020 descendants bar of FIG. 11 Class I recall
  • K203234t:slim X2 Insulin Pump with Interoperable Technology (with t:connect mobile app)Tandem Diabetes Care, Inc. · 2022 · 2 generations on · ◆ in the 2022 descendants bar of FIG. 11 Class I recall
  • K232380t:slim X2 Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2023 · 3 generations on · ◆ in the 2023 descendants bar of FIG. 11 Class I recall
  • K223213Tandem Mobi Insulin Pump with Interoperable TechnologyTandem Diabetes Care, Inc. · 2023 · 3 generations on · ◆ in the 2023 descendants bar of FIG. 11 Class I recall
  • K231826Omnipod 5 ACE PumpInsulet Corporation · 2023 · 3 generations on · ◆ in the 2023 descendants bar of FIG. 13 Class I recalls
  • K233044Tandem Mobi insulin pump with interoperable technologyTandem Diabetes Care, Inc. · 2023 · 4 generations on · ◆ in the 2023 descendants bar of FIG. 11 Class I recall
  • K240309Tandem Mobi insulin pump with interoperable technologyTandem Diabetes Care, Inc. · 2024 · 5 generations on · ◆ in the 2024 descendants bar of FIG. 11 Class I recall
  • K241078Tandem Mobi Insulin Pump with interoperable technologyTandem Diabetes Care, Inc. · 2024 · 6 generations on · ◆ in the 2024 descendants bar of FIG. 12 Class I recalls

What does this lineage say?

  • Of its descendants, K201214 (Tandem Diabetes Care, Inc., 2020) has gone furthest, with 17 descendants of its own.

How does its category compare?

All QFG devices

QFG Alternate Controller Enabled Insulin Infusion Pump: FDA decisions, review times, recalls and adverse event reports over 20 years. 2019, this device’s year, is highlighted.

FDA decisions per year · QFG

5in 2025

2019: 22020: 12022: 22023: 92024: 52025: 52026 (partial year): 6
2007high 9 (2023) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QFG

44in 2025

2023: 150 days median2024: 89 days median2025: 44 days median2026 (partial year): 103 days median
2007high 150 (2023) · low 44 (2025)2026

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

Recalls per year · QFG

8so far in 2026, the most since 2007

2022: 12023: 1, 1 Class I2025: 3, 1 Class I2026 (partial year): 8, 1 Class I
2007high 8 (2026) · low 0 (2007)2026

Class I (3 since 2007) Class II/III not classified

Adverse event reports per year · QFG

324,360in 2025

2020: 30,5222021: 74,7012022: 129,1192023: 188,0142024: 273,1802025: 324,360
2007high 324,360 (2025) · low 0 (2007)2025

MAUDE reports naming product code QFG, 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—00
20080—00
20090—00
20100—00
20110—00
20120—00
20130—00
20140—00
20150—00
20160—00
20170—00
20180—00
20192—00
20201—030,522
20210—074,701
20222—1129,119
202391501 (1)188,014
20245890273,180
20255443 (1)324,360
202661038 (1)—

What is it indicated for?

The t:slim X2 insulin pump with interoperable technology (the Pump) is intended for the subcutaneous delivery of insulin, at set and variable rates, for the management of diabetes mellitus in persons requiring insulin. The Pump is able to reliably and securely communicate with compatible, digitally connected devices, including automated insulin dosing software, to receive, execute, and confirm commands from these devices. The Pump is intended for single patient, home use and requires a prescription. The Pump is indicated for use with NovoLog or Humalog U-100 insulin. The Pump is indicated for use in individuals 6 years of age and greater.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “DEN180058: t:slim X2 insulin pump with interoperable technology.” Lineage record from FDA De Novo data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/DEN180058

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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