510(k) · Cleared
ClearedKejump Digital Clinical Thermometer
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
K-Jump Health Co., Ltd. · FLL Continuous Measurement Thermometer
Cleared on Oct 22, 1990 after a 75-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 4 later devices descend from it.
- Decided
- Oct 22, 1990
- Review
- 75 days
- Class
- Class II
- Product code
- FLL
- Recalls
- None
- Predicates
- 0
4 later devices descend from it, 3 citing it directly.
- This deviceK903590 Kejump Digital Clinical ThermometerK-Jump Health Co., Ltd. · 1990
- Descendant · cites it directly · 1 of its ownK023711 Digital Thermometer Classic Type and Flexible TypeAcute Ideas Co., Ltd. · 2002
- Descendant · 2 generations on · 0 of its ownK032434 Clinical Electronic ThermometerCotronic Manufacturing · 2004
- Descendant · cites it directly · 0 of its ownK021851 Digital Clinical Thermometer, Model KD-193K-Jump Health Co., Ltd. · 2002
- Descendant · cites it directly · 0 of its ownK962369 Talking Digital ThermometerUltmost Industrial Corp. · 1996
Most influential descendants
Showing 4 of 4 · See all- K023711Digital Thermometer Classic Type and Flexible TypeAcute Ideas Co., Ltd. · 2002 · cites it directly1descendant
- K032434Clinical Electronic ThermometerCotronic Manufacturing · 2004 · 2 generations on0descendants
- K021851Digital Clinical Thermometer, Model KD-193K-Jump Health Co., Ltd. · 2002 · cites it directly0descendants
- K962369Talking Digital ThermometerUltmost Industrial Corp. · 1996 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K903590 | Kejump Digital Clinical Thermometer | K-Jump Health Co., Ltd. | 1990 | — |
| +1 | K023711 | Digital Thermometer Classic Type and Flexible Type | Acute Ideas Co., Ltd. | 2002 | — |
| +2 | K032434 | Clinical Electronic Thermometer | Cotronic Manufacturing | 2004 | — |
| +1 | K021851 | Digital Clinical Thermometer, Model KD-193 | K-Jump Health Co., Ltd. | 2002 | — |
| +1 | K962369 | Talking Digital Thermometer | Ultmost Industrial Corp. | 1996 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1996 | 1 | 0 |
| 2002 | 2 | 0 |
| 2004 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), 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?
FDA has not posted a summary or statement for it, so its predicates are not known.
What descends from it? (4)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
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?
- Of its descendants, K023711 (Acute Ideas Co., Ltd., 2002) has gone furthest, with 1 descendant 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.
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 | — |
https://510kreport.com/device/K903590 · printed Nov 4, 2026
Cite this page
510(k) Report. “K903590: Kejump Digital Clinical Thermometer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K903590
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Record history
- FDA decision record loaded May 2, 2026
- Lineage and recalls computed Nov 3, 2026
- Page last updated Nov 3, 2026