510(k) · Cleared
Recalled · 2011Hemotherm Model 400
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Cincinnati Sub-Zero · DWJ System, Thermal Regulating
Cleared on Aug 13, 1981 after a 55-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 55 later devices descend from it. It has been recalled 2 times.
- Decided
- Aug 13, 1981
- Review
- 55 days
- Class
- Class II
- Product code
- DWJ
- Recalls
- 2
- Predicates
- 0
55 later devices descend from it, 5 citing it directly.
- This deviceK811742 Hemotherm Model 400Cincinnati Sub-Zero · 1981
- Descendant · cites it directly · 27 of its ownK012512 Setpoint Endovascular Temperature Management SystemRadiant Medical · 2002
- Descendant · cites it directly · 20 of its ownK071341 Modification to Arctic Sun Temperature Management System, Model 2000Medivance, Inc. · 2007 · Recalled
- Descendant · 2 generations on · 16 of its ownK083662 CriticoolMtre Advanced Technology, Ltd. · 2009 · Recalled
- Descendant · 2 generations on · 16 of its ownK022366 Celsius Control SystemInnercool Therapies · 2003
- Descendant · 2 generations on · 15 of its ownK030421 Alsius Coolgard 3000 & Alsius Catheter SystemAlsius Corp. · 2003 · Recalled
Showing 5 of 55 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 55 · See all- K012512Setpoint Endovascular Temperature Management SystemRadiant Medical · 2002 · cites it directly27descendants
- K071341Modification to Arctic Sun Temperature Management System, Model 2000Medivance, Inc. · 2007 · cites it directly20descendants
- K083662CriticoolMtre Advanced Technology, Ltd. · 2009 · 2 generations on16descendants
- K022366Celsius Control SystemInnercool Therapies · 2003 · 2 generations on16descendants
- K030421Alsius Coolgard 3000 & Alsius Catheter SystemAlsius Corp. · 2003 · 2 generations on15descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K811742 | Hemotherm Model 400 | Cincinnati Sub-Zero | 1981 | — |
| +1 | K012512 | Setpoint Endovascular Temperature Management System | Radiant Medical | 2002 | — |
| +1 | K071341 | Modification to Arctic Sun Temperature Management System, Model 2000 | Medivance, Inc. | 2007 | 1 |
| +2 | K083662 | Criticool | Mtre Advanced Technology, Ltd. | 2009 | 1 |
| +2 | K022366 | Celsius Control System | Innercool Therapies | 2003 | — |
| +2 | K030421 | Alsius Coolgard 3000 & Alsius Catheter System | Alsius Corp. | 2003 | 4 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 4 | 0 |
| 2004 | 2 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2007 | 5 | 0 |
| 2008 | 3 | 0 |
| 2009 | 2 | 0 |
| 2010 | 4 | 0 |
| 2011 | 3 | 0 |
| 2012 | 3 | 0 |
| 2014 | 5 | 0 |
| 2015 | 1 | 0 |
| 2016 | 4 | 0 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2020 | 3 | 0 |
| 2021 | 1 | 0 |
| 2022 | 3 | 0 |
| 2023 | 2 | 0 |
| 2025 | 3 | 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 DWJ? 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 DWJ device
- #1 K260278 ThermAffyx (TM) Patient Safety Systemscore 12.8 · 5 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? (55)
See all 555 later devices cite it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K012512 | Setpoint Endovascular Temperature Management System | 2002 | 27 |
| K071341 | Modification to Arctic Sun Temperature Management System, Model 2000 | 2007 | 20 |
| K070112 | Rapidcool Patient Temperature Management System | 2007 | 11 |
| K052601 | Stockert Heater-Cooler System 3T | 2006 | 4 |
| K122813 | Hemotherm Model 400CE Cooler/Heater System | 2012 | 0 |
Has anything in its family been recalled? (0 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| May 2, 2011 | Not classified | Z-2720-2011 | Device Design | The probe jack contacts (terminals) on certain of the firm's ECMO Heater devices are located too close to the solid state relay contacts (terminals) which can lead to the terminals coming into contact with each other. If this situation… |
| May 2, 2011 | Not classified | Z-2721-2011 | Device Design | The probe jack contacts (terminals) on certain of the firm's ECMO Heater devices are located too close to the solid state relay contacts (terminals) which can lead to the terminals coming into contact with each other. If this situation… |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- Of its descendants, K012512 (Radiant Medical, 2002) has gone furthest, with 27 descendants of its own.
How does its category compare?
All DWJ devicesDWJ System, Thermal Regulating: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · DWJ
3in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DWJ
131in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DWJ
3in 2024
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · DWJ
2,384in 2025
MAUDE reports naming product code DWJ, 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 | 4 | 106 | 0 | 52 |
| 2008 | 3 | 73 | 0 | 40 |
| 2009 | 3 | 106 | 6 | 71 |
| 2010 | 8 | 134 | 2 | 104 |
| 2011 | 4 | 180 | 7 | 136 |
| 2012 | 5 | 69 | 1 | 106 |
| 2013 | 5 | 77 | 2 | 73 |
| 2014 | 4 | 131 | 0 | 116 |
| 2015 | 0 | — | 1 | 245 |
| 2016 | 2 | — | 0 | 1,400 |
| 2017 | 5 | 153 | 3 | 1,473 |
| 2018 | 3 | 95 | 5 | 1,517 |
| 2019 | 2 | — | 3 | 2,294 |
| 2020 | 5 | 30 | 2 | 2,546 |
| 2021 | 2 | — | 1 | 2,689 |
| 2022 | 2 | — | 5 | 3,226 |
| 2023 | 6 | 42 | 0 | 3,455 |
| 2024 | 2 | — | 3 | 3,329 |
| 2025 | 3 | 131 | 0 | 2,384 |
| 2026 | 5 | 99 | 3 | — |
https://510kreport.com/device/K811742 · printed Nov 6, 2026
Cite this page
510(k) Report. “K811742: Hemotherm Model 400.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K811742
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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