510(k) · Decided
DecidedSolex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange Catheter, ICY Intravascular Heat Exchange Catheter, Quattro Intravascular Heat Exchange Catheter, Thermogard XP Console, Thermogard HQ Console
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Zoll Circulation, Inc. · NCX System, Hypothermia, Intravenous, Cooling
Cleared on Jan 13, 2023 as substantially equivalent to K220008 (Zoll Circulation, Inc., 2022) and 1 other predicate after a 30-day review. Its family tree reaches back 11 generations to 1981. 3 of the 36 devices in its family, counting itself, have a Class I recall.
- Decided
- Jan 13, 2023
- Review
- 30 days
- Class
- Class II
- Product code
- NCX
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 11 generations to K811742 (1981). 35 ancestors in all, the oldest K811743 (1981). No later device cites it as a predicate yet. 3 of the 36 devices in this family, counting this one, have a Class I recall.
- Root · 11 generations backK811742 Hemotherm Model 400Cincinnati Sub-Zero · 1981 · Recalled
- 7 generations between
- 3 generations backK153226 Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up KitZoll Circulation, Inc. · 2016 · Recalled
- 2 generations backK213031 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2021
- 1 generation backK220008 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2022
- This deviceK223746 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2023
Show all 11 generations
- Root · 11 generations backK811742 Hemotherm Model 400Cincinnati Sub-Zero · 1981 · Recalled
- 10 generations backK012512 Setpoint Endovascular Temperature Management SystemRadiant Medical · 2002
- 9 generations backK022366 Celsius Control SystemInnercool Therapies · 2003
- 8 generations backK030421 Alsius Coolgard 3000 & Alsius Catheter SystemAlsius Corp. · 2003 · Recalled
- 7 generations backK052443 Icy Catheter, Model IC-3893AAlsius Corp. · 2005
- 6 generations backK070161 Quattro Catheter Model IC4593Alsius Corp. · 2007
- 5 generations backK101987 Cool Line Catheter, Model CL-2295A, Icy Catheter, Model IC-3893A and…Zoll Circulation · 2010
- 4 generations backK141139 Solex Intravascular Heat Exchange CatheterZoll Circulation · 2014
- 3 generations backK153226 Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up KitZoll Circulation, Inc. · 2016 · Recalled
- 2 generations backK213031 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2021
- 1 generation backK220008 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2022
- This deviceK223746 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2023
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −11 | K811742 | Hemotherm Model 400 | Cincinnati Sub-Zero | 1981 | 2 |
| −10 | K012512 | Setpoint Endovascular Temperature Management System | Radiant Medical | 2002 | — |
| −9 | K022366 | Celsius Control System | Innercool Therapies | 2003 | — |
| −8 | K030421 | Alsius Coolgard 3000 & Alsius Catheter System | Alsius Corp. | 2003 | 4 |
| −7 | K052443 | Icy Catheter, Model IC-3893A | Alsius Corp. | 2005 | — |
| −6 | K070161 | Quattro Catheter Model IC4593 | Alsius Corp. | 2007 | — |
| −5 | K101987 | Cool Line Catheter, Model CL-2295A, Icy Catheter, Model IC-3893A and Quattro… | Zoll Circulation | 2010 | — |
| −4 | K141139 | Solex Intravascular Heat Exchange Catheter | Zoll Circulation | 2014 | — |
| −3 | K153226 | Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up Kit | Zoll Circulation, Inc. | 2016 | 4 |
| −2 | K213031 | Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat… | Zoll Circulation, Inc. | 2021 | — |
| −1 | K220008 | Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat… | Zoll Circulation, Inc. | 2022 | — |
| 0 (this device) | K223746 | Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat… | Zoll Circulation, Inc. | 2023 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 1 |
| 1989 | 2 | 0 |
| 1990 | 2 | 1 |
| 1991 | 2 | 0 |
| 1993 | 1 | 0 |
| 1997 | 2 | 1 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2003 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2015 | 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.
3 devices in this family have a Class I recall. 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 NCX device
- #1 K213031 Solex 7 Intravascular Heat Exchange Catheter…score 11.0 · 9 generations · no Class I recall
- #2 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 |
|---|---|---|---|
| * | K220008 | Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange…Summary page 6…mia, Intravenous, Cooling Regulation: 21 CFR 870.5900, Thermal Regulating System Product Code: NCX Predicate Devices: K220008: Solex 7® Intravascular Heat Exchange Catheter, Cool Line® Intravascular Heat Exchange Catheter,… | 2022 |
| * | K213031 | Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange…Summary page 6…Thermogard HQ™ Start-Up Kit, Thermogard HQ™ Start-Up Kit EX, Thermogard HQ™ Console K213031: Solex 7® Intravascular Heat Exchange Catheter, Cool Line® Intravascular Heat Exchange Catheter,… | 2021 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (3 Class I)
No FDA recall names this device.
Relatives with a Class I recall
Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.
- K970864Arrow-Howes Large Bore Multi-Lumen Central Venous CathetersArrow Intl., Inc. · 1997 · 4 generations back · ◆ in the 1997 ancestors bar of FIG. 11 Class I recall
- K895417Arrow Large-Bore Dual Lumen Hemodialysis KitArrow Intl., Inc. · 1990 · 5 generations back · ◆ in the 1990 ancestors bar of FIG. 11 Class I recall
- K862056[Central Venous][Multi-Lumen] Catheter W/Flex TipArrow Intl., Inc. · 1986 · 5 generations back · ◆ in the 1986 ancestors bar of FIG. 11 Class I recall
What does this lineage say?
- The line of descent spans 42 years and passes through 6 companies; a new generation was cleared every 1.5 years on median.
- 15 of the 35 ancestors have a recall of any class; 3 have a Class I recall.
How does its category compare?
All NCX devicesNCX System, Hypothermia, Intravenous, Cooling: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, this device’s year, is highlighted.
FDA decisions per year · NCX
1in 2023
2026 to Oct 25, outlined.
Median 510(k) review, days · NCX
204in 2016
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · NCX
28in 2021
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NCX
273in 2025
MAUDE reports naming product code NCX, 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 | 6 | 28 | 2 | 4 |
| 2008 | 3 | 129 | 0 | 8 |
| 2009 | 0 | — | 0 | 4 |
| 2010 | 1 | — | 0 | 9 |
| 2011 | 0 | — | 0 | 7 |
| 2012 | 0 | — | 0 | 14 |
| 2013 | 0 | — | 0 | 31 |
| 2014 | 1 | — | 1 | 41 |
| 2015 | 1 | — | 0 | 32 |
| 2016 | 3 | 204 | 0 | 311 |
| 2017 | 0 | — | 0 | 450 |
| 2018 | 0 | — | 0 | 509 |
| 2019 | 0 | — | 0 | 436 |
| 2020 | 0 | — | 0 | 415 |
| 2021 | 1 | — | 28 | 461 |
| 2022 | 1 | — | 0 | 511 |
| 2023 | 1 | — | 0 | 373 |
| 2024 | 0 | — | 0 | 343 |
| 2025 | 0 | — | 0 | 273 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
The Solex 7 Intravascular Heat Exchange Catheter connected to the Coolgard/Thermogard Thermal Regulation System is indicated for use: • In cardiac surgery patients to achieve and/or maintain normothermia during surgery and recovery/intensive care. (Maximum use period: 4 days) • To induce, maintain and reverse mild hypothermia in neurosurgery patients in surgery and recovery/intensive care. (Maximum use period: 4 days) • In fever reduction, as an adjunct…
Read the full statement (254 words)
The Solex 7 Intravascular Heat Exchange Catheter connected to the Coolgard/Thermogard Thermal Regulation System is indicated for use:
• In cardiac surgery patients to achieve and/or maintain normothermia during surgery and recovery/intensive care. (Maximum use period: 4 days)
• To induce, maintain and reverse mild hypothermia in neurosurgery patients in surgery and recovery/intensive care. (Maximum use period: 4 days)
• In fever reduction, as an adjunct to other antipyretic therapy, in adult patients with cerebral infarction and intracerebral hemorrhage who require access to the central venous circulation and who are intubated and sedated. (Maximum use period: 7 days)
The Cool Line Catheter Model CL-2295A, when used with the ZOLL Thermal Regulation System, is indicated for use in fever reduction, as an adjunct to antipyretic therapy, in adult patients with cerebral infarction and intracerebral hemorrhage who require access to the central venous circulation and who are intubated and sedated.
The ZOLL ICY Intravascular Heat Exchange Catheter Model IC-3893A, connected to the ZOLL Coolgard/Thermogard Thermal Regulation System, is indicated for use:
• In cardiac surgery adult patients to achieve and/or maintain normothermia during surgery and recovery/intensive care, and
• To induce, maintain and reverse mild hypothermia in neurosurgery adult patients in surgery and recovery/intensive care.
The ZOLL Quattro Catheter Model IC-4593, connected to a ZOLL Thermal Regulation System, is indicated for use:
• In cardiac surgery adult patients to achieve and/or maintain normothermia during surgery and recovery/intensive care, and
• To induce, maintain and reverse mild hypothermia in neurosurgery adult patients in surgery and recovery/intensive care.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K223746 · printed Nov 4, 2026
Cite this page
510(k) Report. “K223746: Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange Catheter, ICY Intravascular Heat Exchange Catheter, Quattro Intravascular Heat Exchange Catheter, Thermogard XP Console, Thermogard HQ Console.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K223746
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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