510(k) · Cleared
ClearedMicrolife Dual Mode Thermometer,Model IFR1MJ1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Microlife Intellectual Property GmbH · FLL Continuous Measurement Thermometer
Cleared on Jan 27, 2012 as substantially equivalent to K091040 (Microlife Intellectual Property GmbH, 2009) and 1 other predicate after a 95-day review. Its family tree reaches back 4 generations to 2000. 1 later device descends from it.
- Decided
- Jan 27, 2012
- Review
- 95 days
- Class
- Class II
- Product code
- FLL
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 4 generations to K000969 (2000). 6 ancestors in all. 1 later device descends from it, 1 citing it directly.
- Root · 4 generations backK000969 Microlife Digital Infrared Ear Thermometer, Model IR1DA1Microlife Corp. · 2000
- 3 generations backK020725 Microlife Digital Infrared Ear Thermometer, Model IR1DE1Microlife Corp. · 2002
- 2 generations backK034023 Microlife Digital Infrared Ear Thermometer, Model IR1DE1-1Microlife Intellectual Property GmbH · 2004
- 1 generation backK091040 Microlife Digital Infrared Ear Thermometer, Model Iridvi-1Microlife Intellectual Property GmbH · 2009
- This deviceK113141 Microlife Dual Mode Thermometer,Model IFR1MJ1Microlife Intellectual Property GmbH · 2012
- Descendant · cites it directly · 0 of its ownK163256 Dual Mode Infrared ThermometerIntelliworks, LLC · 2017
Most influential descendants
Showing 1 of 1 · See all- K163256Dual Mode Infrared ThermometerIntelliworks, LLC · 2017 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −4 | K000969 | Microlife Digital Infrared Ear Thermometer, Model IR1DA1 | Microlife Corp. | 2000 | — |
| −3 | K020725 | Microlife Digital Infrared Ear Thermometer, Model IR1DE1 | Microlife Corp. | 2002 | — |
| −2 | K034023 | Microlife Digital Infrared Ear Thermometer, Model IR1DE1-1 | Microlife Intellectual Property GmbH | 2004 | — |
| −1 | K091040 | Microlife Digital Infrared Ear Thermometer, Model Iridvi-1 | Microlife Intellectual Property GmbH | 2009 | — |
| 0 (this device) | K113141 | Microlife Dual Mode Thermometer,Model IFR1MJ1 | Microlife Intellectual Property GmbH | 2012 | — |
| +1 | K163256 | Dual Mode Infrared Thermometer | Intelliworks, LLC | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2000 | 1 | 0 |
| 2004 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2017 | 1 | 0 |
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 FLL? 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 FLL device
- #1 K191829 Microlife Non-Contact Infrared Forehead…score 26.7 · 4 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
What was it cleared against? (2)
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K091040 | Microlife Digital Infrared Ear Thermometer, Model Iridvi-1Summary page 1…Device: Microlife Dual Mode Thermometer, Model IFR1MJ1 3. Predicate Device Information: Microlife Digital Infrared Ear Thermometer, Model IRI DV1 -1, K#091040 Microlife Digital Infrared Forehead Thermometer, Model FRi DM1, K#033820 4. Device Description: The Microl… | 2009 |
| * | K033820 | Microlife Digital Infrared Forehead Thermometer, Model FR1DM1Summary page 1…Information: Microlife Digital Infrared Ear Thermometer, Model IRI DV1 -1, K#091040 Microlife Digital Infrared Forehead Thermometer, Model FRi DM1, K#033820 4. Device Description: The Microlife Dual Mode Thermometer, Model IFR1 MJI1 is an electronic thermometer using an… | 2004 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K163256 | Dual Mode Infrared Thermometer | 2017 | 0 |
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 12 years and passes through 2 companies; a new generation was cleared every 2.7 years on median.
- None of the 6 ancestors has a recall.
- Of its descendants, K163256 (Intelliworks, LLC, 2017) has gone furthest, with 0 descendants of its own.
How does its category compare?
All FLL devicesFLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, this device’s year, is highlighted.
FDA decisions per year · FLL
6in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · FLL
131in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · FLL
1in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · FLL
73in 2025
MAUDE reports naming product code FLL, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 15 | 81 | 0 | 4 |
| 2008 | 14 | 59 | 0 | 13 |
| 2009 | 13 | 84 | 0 | 9 |
| 2010 | 24 | 88 | 0 | 9 |
| 2011 | 20 | 113 | 1 | 18 |
| 2012 | 17 | 126 | 0 | 26 |
| 2013 | 14 | 149 | 0 | 16 |
| 2014 | 7 | 199 | 0 | 54 |
| 2015 | 3 | 270 | 1 | 53 |
| 2016 | 22 | 157 | 0 | 58 |
| 2017 | 16 | 174 | 2 | 118 |
| 2018 | 35 | 209 | 1 | 51 |
| 2019 | 22 | 198 | 5 | 52 |
| 2020 | 21 | 194 | 0 | 53 |
| 2021 | 43 | 218 | 0 | 115 |
| 2022 | 24 | 218 | 0 | 142 |
| 2023 | 17 | 295 | 0 | 101 |
| 2024 | 13 | 223 | 0 | 118 |
| 2025 | 6 | 131 | 1 | 73 |
| 2026 | 2 | — | 1 | — |
What is it indicated for?
The Microlife Dual Mode Thermometer IFR1MJ1 is intended for the intermittent measurement and monitoring of human body temperatures. The device is indicated for use by people above 12 years old to geriatric for ear mode and from newborn to geriatric for forehead mode in the home.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K113141 · printed Nov 6, 2026
Cite this page
510(k) Report. “K113141: Microlife Dual Mode Thermometer,Model IFR1MJ1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K113141
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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