510(k) · Cleared
Recalled · Class II · 2022Ysi 400 Series Atuoclavable Reusable Temperature Probe
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Yellow Springs Instrument Co., Inc. · FLL Continuous Measurement Thermometer
Cleared on Jul 19, 1996 after a 52-day review. FDA lists a 510(k) statement for it but has not posted the file, so its predicates are not known. 15 later devices descend from it. It has been recalled 2 times.
- Decided
- Jul 19, 1996
- Review
- 52 days
- Class
- Class II
- Product code
- FLL
- Recalls
- 2
- Predicates
- 0
15 later devices descend from it, 2 citing it directly.
- This deviceK962070 Ysi 400 Series Atuoclavable Reusable Temperature ProbeYellow Springs Instrument Co., Inc. · 1996
- Descendant · cites it directly · 14 of its ownK050837 Reusable Temperature Probes (M1024254 Skin Temperature Probe…GE Healthcare · 2005
- Descendant · cites it directly · 8 of its ownK121427 Unimed Temperature ProbeUnimed Medical Supplies, Inc. · 2012
- Descendant · 2 generations on · 5 of its ownK121999 General Purpose Temperature Probe, Skin Temperature ProbeDraeger Medical GmbH · 2013
- Descendant · 3 generations on · 2 of its ownK181967 Disposable Temperature ProbeShenzhen Launch Electrical Co., Ltd. · 2018
- Descendant · 2 generations on · 1 of its ownK193338 Med-link Reusable Temperature Probes, Med-link Disposable…Shenzhen Med-Link Electronics Tech Co., Ltd. · 2020
Showing 5 of 15 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 15 · See all- K050837Reusable Temperature Probes (M1024254 Skin Temperature Probe, Reusable; M1024247, GP…GE Healthcare · 2005 · cites it directly14descendants
- K121427Unimed Temperature ProbeUnimed Medical Supplies, Inc. · 2012 · cites it directly8descendants
- K121999General Purpose Temperature Probe, Skin Temperature ProbeDraeger Medical GmbH · 2013 · 2 generations on5descendants
- K181967Disposable Temperature ProbeShenzhen Launch Electrical Co., Ltd. · 2018 · 3 generations on2descendants
- K193338Med-link Reusable Temperature Probes, Med-link Disposable Temperature ProbesShenzhen Med-Link Electronics Tech Co., Ltd. · 2020 · 2 generations on1descendant
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K962070 | Ysi 400 Series Atuoclavable Reusable Temperature Probe | Yellow Springs Instrument Co., Inc. | 1996 | — |
| +1 | K050837 | Reusable Temperature Probes (M1024254 Skin Temperature Probe, Reusable… | GE Healthcare | 2005 | — |
| +1 | K121427 | Unimed Temperature Probe | Unimed Medical Supplies, Inc. | 2012 | — |
| +2 | K121999 | General Purpose Temperature Probe, Skin Temperature Probe | Draeger Medical GmbH | 2013 | — |
| +3 | K181967 | Disposable Temperature Probe | Shenzhen Launch Electrical Co., Ltd. | 2018 | — |
| +2 | K193338 | Med-link Reusable Temperature Probes, Med-link Disposable Temperature Probes | Shenzhen Med-Link Electronics Tech Co., Ltd. | 2020 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2005 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
| 2018 | 3 | 0 |
| 2019 | 2 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2023 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 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 lists a 510(k) statement for it but has not posted the file, so its predicates are not known.
What descends from it? (15)
See all 152 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Feb 7, 2022 | Class II | Z-0926-2022 | Device Design | Update to instructions for use regarding the cleaning and disinfection process for the reusable probes. |
| Mar 13, 2017 | Class II | Z-0395-2018 | Other | The reusable temperature probes are provided with instructions for sterilization that have not been proven through a validation study. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K050837 (GE Healthcare, 2005) has gone furthest, with 14 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.
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/K962070 · printed Nov 6, 2026
Cite this page
510(k) Report. “K962070: Ysi 400 Series Atuoclavable Reusable Temperature Probe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K962070
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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