510(k) Report

510(k) · Cleared

Cleared

SmartBolus Calculator

K222239510(k) TraditionalCleared Aug 19, 202224-day reviewClass II21 CFR 862.1358

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

Insulet Corporation · QRX Continuous Glucose Monitor Informed Insulin Dose Calculator

Cleared on Aug 19, 2022 as substantially equivalent to K203772 (Insulet Corporation, 2022) after a 24-day review. Its family tree reaches back 4 generations to 2018. 1 later device descends from it.

Decided
Aug 19, 2022
Review
24 days
Class
Class II
Product code
QRX
Recalls
None
Predicates
1

Its longest line of descent runs back 4 generations to DEN170043 (2018). 1 later device descends from it, 1 citing it directly.

  1. Root · 4 generations backDEN170043 DreaMed Advisor ProDreaMed Diabetes, Ltd. · 2018
  2. 3 generations backK191370 DreaMed Advisor ProDreaMed Diabetes, Ltd. · 2019
  3. 2 generations backK201476 DreaMed Advisor ProDreaMed Diabetes, Ltd. · 2020
  4. 1 generation backK203772 Omnipod 5 SmartBolus CalculatorInsulet Corporation · 2022
  5. This deviceK222239 SmartBolus CalculatorInsulet Corporation · 2022
  6. Descendant · cites it directly · 0 of its ownK231824 SmartBolus CalculatorInsulet Corporation · 2023

Most influential descendants

Showing 1 of 1 · See all
  • K231824SmartBolus CalculatorInsulet Corporation · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4DEN170043DreaMed Advisor ProDreaMed Diabetes, Ltd.2018—
−3K191370DreaMed Advisor ProDreaMed Diabetes, Ltd.2019—
−2K201476DreaMed Advisor ProDreaMed Diabetes, Ltd.2020—
−1K203772Omnipod 5 SmartBolus CalculatorInsulet Corporation2022—
0 (this device)K222239SmartBolus CalculatorInsulet Corporation2022—
+1K231824SmartBolus CalculatorInsulet Corporation2023—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K222239, 2018–2023Source: 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 QRX? 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 QRX device

  1. #1 K252818 Dexcom Smart Basalscore 14.6 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K203772Omnipod 5 SmartBolus Calculator
Summary page 4
…1358 Submission Type: Traditional 510(k) Device Class: Class II Device Predicate: K203772 (SmartBolus Calculator) 5.1 Purpose of Submission The purpose of this submission is to modify the legally marketed SmartBo…
Insulet Corporation2022—

Also cleared against K203772: 1 other device →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K231824SmartBolus CalculatorInsulet Corporation20230

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 4 years and passes through 2 companies; a new generation was cleared every 1.1 years on median.
  • None of the 4 ancestors has a recall.
  • Of its descendants, K231824 (Insulet Corporation, 2023) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K203772.

How does its category compare?

All QRX devices

QRX Continuous Glucose Monitor Informed Insulin Dose Calculator: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · QRX

1in 2025

2022: 22023: 22025: 12026 (partial year): 1
2007high 2 (2022) · low 0 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · QRX

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

Recalls per year · QRX

1in 2025

2025: 1
2007high 1 (2025) · low 0 (2007)2026

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

Adverse event reports per year · QRX

1in 2022

2022: 1
2007high 1 (2022) · low 0 (2007)2025

MAUDE reports naming product code QRX, 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
20190—00
20200—00
20210—00
20222—01
20232—00
20240—00
20251—10
20261—0—

What is it indicated for?

The SmartBolus Calculator is software intended for the management of diabetes in persons aged 2 and older requiring rapid-acting U-100 insulin. The SmartBolus Calculator calculates a suggested bolus dose based on user-entered carbohydrates, most recent sensor glucose value (or blood glucose reading if using fingerstick), rate of change of the sensor glucose (if applicable), insulin on board (IOB), and programmable correction factor, insulin to carbohydrate ratio, and target glucose value. The SmartBolus Calculator is intended for single patient, home use and requires a prescription.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K222239: SmartBolus Calculator.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K222239

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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