510(k) · Cleared
ClearedJeol Model #JTG-500M
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Jeol · IYM System, Telethermographic, Infrared
Cleared on Nov 24, 1982 after a 41-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
- Nov 24, 1982
- Review
- 41 days
- Class
- Class III
- Product code
- IYM
- Recalls
- None
- Predicates
- 0
4 later devices descend from it, 1 citing it directly.
- This deviceK823041 Jeol Model #JTG-500MJeol · 1982
- Descendant · cites it directly · 3 of its ownK990416 Omnicorder Bioscan SystemOmnicorder Technologies, Inc. · 1999
- Descendant · 2 generations on · 2 of its ownK032350 Infrared Sciences Breastscan IR SystemInfrared Sciences Corp. · 2004
- Descendant · 3 generations on · 0 of its ownK162767 Sentinel BreastScan II SystemFirst Sense Medical, LLC · 2017
- Descendant · 3 generations on · 0 of its ownK160573 FirstSense Breast ExamFirst Sense Medical, LLC · 2016
Most influential descendants
Showing 4 of 4 · See all- K990416Omnicorder Bioscan SystemOmnicorder Technologies, Inc. · 1999 · cites it directly3descendants
- K032350Infrared Sciences Breastscan IR SystemInfrared Sciences Corp. · 2004 · 2 generations on2descendants
- K162767Sentinel BreastScan II SystemFirst Sense Medical, LLC · 2017 · 3 generations on0descendants
- K160573FirstSense Breast ExamFirst Sense Medical, LLC · 2016 · 3 generations on0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K823041 | Jeol Model #JTG-500M | Jeol | 1982 | — |
| +1 | K990416 | Omnicorder Bioscan System | Omnicorder Technologies, Inc. | 1999 | — |
| +2 | K032350 | Infrared Sciences Breastscan IR System | Infrared Sciences Corp. | 2004 | — |
| +3 | K162767 | Sentinel BreastScan II System | First Sense Medical, LLC | 2017 | — |
| +3 | K160573 | FirstSense Breast Exam | First Sense Medical, LLC | 2016 | — |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1999 | 1 | 0 |
| 2004 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 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 IYM? A 510(k) Report weighs predicate choices, recall history and review times for a new device like this one.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin 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)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K990416 | Omnicorder Bioscan System | 1999 | 3 |
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, K990416 (Omnicorder Technologies, Inc., 1999) has gone furthest, with 3 descendants of its own.
How does its category compare?
All IYM devicesIYM System, Telethermographic, Infrared: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · IYM
FDA has decided no IYM device since 2007.
Median 510(k) review, days · IYM
Too few IYM 510(k)s in any year since 2007 to give a median.
Recalls per year · IYM
No recall names IYM since 2007.
Adverse event reports per year · IYM
No MAUDE report names IYM since 2007.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 0 | — | 0 | 0 |
| 2008 | 0 | — | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 0 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 0 | — | 0 | 0 |
| 2014 | 0 | — | 0 | 0 |
| 2015 | 0 | — | 0 | 0 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 0 | — | 0 | 0 |
| 2018 | 0 | — | 0 | 0 |
| 2019 | 0 | — | 0 | 0 |
| 2020 | 0 | — | 0 | 0 |
| 2021 | 0 | — | 0 | 0 |
| 2022 | 0 | — | 0 | 0 |
| 2023 | 0 | — | 0 | 0 |
| 2024 | 0 | — | 0 | 0 |
| 2025 | 0 | — | 0 | 0 |
| 2026 | 0 | — | 0 | — |
https://510kreport.com/device/K823041 · printed Nov 4, 2026
Cite this page
510(k) Report. “K823041: Jeol Model #JTG-500M.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K823041
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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