510(k) Report

510(k) · Decided

Decided

Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange Catheter, ICY Intravascular Heat Exchange Catheter, Quattro Intravascular Heat Exchange Catheter, Thermogard HQ Start-Up Kit, Thermogard HQ Start-Up Kit EX, Thermogard HQ Console

K220008510(k) TraditionalDecided Jun 2, 2022149-day reviewClass II21 CFR 870.5900

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Zoll Circulation, Inc. · NCX System, Hypothermia, Intravenous, Cooling

Cleared on Jun 2, 2022 as substantially equivalent to K213031 (Zoll Circulation, Inc., 2021) after a 149-day review. Its family tree reaches back 10 generations to 1981. 3 of the 36 devices in its family, counting itself, have a Class I recall. 1 later device descends from it.

Decided
Jun 2, 2022
Review
149 days
Class
Class II
Product code
NCX
Recalls
None
Predicates
1

Its longest line of descent runs back 10 generations to K811742 (1981). 34 ancestors in all, the oldest K811743 (1981). 1 later device descends from it, 1 citing it directly. 3 of the 36 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2015: 1 other ancestor2007: 1 other ancestor2006: 1 other ancestor2003: 1 other ancestor2008: 1 other ancestor2000: 5 other ancestors1997: 2 other ancestors, 1 with a Class I recall11990: 2 other ancestors, 1 with a Class I recall11986: 1 other ancestor, 1 with a Class I recall11985: 1 other ancestor1982: 1 other ancestor2001: 1 other ancestor1993: 1 other ancestor1991: 2 other ancestors1989: 2 other ancestors1981: 1 other ancestor2023: 1 descendant clearedK811742 · Hemotherm Model 400 · Cincinnati Sub-Zero · 1981 · recalledK012512 · Setpoint Endovascular Temperature Management System · Radiant Medical · 2002K022366 · Celsius Control System · Innercool Therapies · 2003K030421 · Alsius Coolgard 3000 & Alsius Catheter System · Alsius Corp. · 2003 · recalledK052443 · Icy Catheter, Model IC-3893A · Alsius Corp. · 2005K070161 · Quattro Catheter Model IC4593 · Alsius Corp. · 2007K101987 · Cool Line Catheter, Model CL-2295A, Icy Catheter, Model IC-3893A and Quattro Catheter, Model IC-4593 · Zoll Circulation · 2010K141139 · Solex Intravascular Heat Exchange Catheter · Zoll Circulation · 2014K153226 · Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up Kit · Zoll Circulation, Inc. · 2016 · recalledK213031 · Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange Catheter, ICY Intravascular Heat Exchange Catheter, Quattro Intravascular Heat Exchange Catheter, Start-Up Kit, Coolgard 3000 Console, Thermogard XP Console · Zoll Circulation, Inc. · 202119801990200020102020
  1. Root · 10 generations backK811742 Hemotherm Model 400Cincinnati Sub-Zero · 1981 · Recalled
  2. 6 generations between
  3. 3 generations backK141139 Solex Intravascular Heat Exchange CatheterZoll Circulation · 2014
  4. 2 generations backK153226 Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up KitZoll Circulation, Inc. · 2016 · Recalled
  5. 1 generation backK213031 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2021
  6. This deviceK220008 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2022
  7. Descendant · cites it directly · 0 of its ownK223746 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2023
Show all 10 generations
  1. Root · 10 generations backK811742 Hemotherm Model 400Cincinnati Sub-Zero · 1981 · Recalled
  2. 9 generations backK012512 Setpoint Endovascular Temperature Management SystemRadiant Medical · 2002
  3. 8 generations backK022366 Celsius Control SystemInnercool Therapies · 2003
  4. 7 generations backK030421 Alsius Coolgard 3000 & Alsius Catheter SystemAlsius Corp. · 2003 · Recalled
  5. 6 generations backK052443 Icy Catheter, Model IC-3893AAlsius Corp. · 2005
  6. 5 generations backK070161 Quattro Catheter Model IC4593Alsius Corp. · 2007
  7. 4 generations backK101987 Cool Line Catheter, Model CL-2295A, Icy Catheter, Model IC-3893A and…Zoll Circulation · 2010
  8. 3 generations backK141139 Solex Intravascular Heat Exchange CatheterZoll Circulation · 2014
  9. 2 generations backK153226 Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up KitZoll Circulation, Inc. · 2016 · Recalled
  10. 1 generation backK213031 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2021
  11. This deviceK220008 Solex 7 Intravascular Heat Exchange Catheter, Cool Line…Zoll Circulation, Inc. · 2022

Class I recalls in this family

Most influential descendants

Showing 1 of 1 · See all
  • K223746Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange…Zoll Circulation, Inc. · 2023 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−10K811742Hemotherm Model 400Cincinnati Sub-Zero19812
−9K012512Setpoint Endovascular Temperature Management SystemRadiant Medical2002—
−8K022366Celsius Control SystemInnercool Therapies2003—
−7K030421Alsius Coolgard 3000 & Alsius Catheter SystemAlsius Corp.20034
−6K052443Icy Catheter, Model IC-3893AAlsius Corp.2005—
−5K070161Quattro Catheter Model IC4593Alsius Corp.2007—
−4K101987Cool Line Catheter, Model CL-2295A, Icy Catheter, Model IC-3893A and Quattro…Zoll Circulation2010—
−3K141139Solex Intravascular Heat Exchange CatheterZoll Circulation2014—
−2K153226Solex 7 Intravascular Heat Exchange Catheter, ZOLL Start-Up KitZoll Circulation, Inc.20164
−1K213031Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat…Zoll Circulation, Inc.2021—
0 (this device)K220008Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat…Zoll Circulation, Inc.2022—
+1K223746Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat…Zoll Circulation, Inc.2023—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
198210
198510
198611
198920
199021
199120
199310
199721
200050
200110
200310
200610
200710
200810
201510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202310
FIG. 1 — Lineage of K220008, 1981–2023Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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. #1 K213031 Solex 7 Intravascular Heat Exchange Catheter…score 10.9 · 9 generations · no Class I recall
  2. #2 Held for the reportin the report
Get a 510(k) Report

What was it cleared against? (1)

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.

TypeNumberDeviceApplicantDecidedRecalls
*K213031Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange…
Summary page 6
…rmia, Intravenous, Cooling Regulation: 21 CFR 870.5900, Thermal Regulating System Product Code: NCX Predicate Device: K213031, Solex 7® Intravascular Heat Exchange Catheter, Cool Line® Intravascular Heat Exchange Catheter,…
Zoll Circulation, Inc.2021—

Also cleared against K213031: 1 other device →

What descends from it? (1)

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K223746Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange…Zoll Circulation, Inc.20230

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 41 years and passes through 6 companies; a new generation was cleared every 2.0 years on median.
  • 15 of the 34 ancestors have a recall of any class; 3 have a Class I recall.
  • Of its descendants, K223746 (Zoll Circulation, Inc., 2023) has gone furthest, with 0 descendants of its own.
  • 1 other device also cites its predicate K213031.

How does its category compare?

All NCX devices

NCX System, Hypothermia, Intravenous, Cooling: FDA decisions, review times, recalls and adverse event reports over 20 years. 2022, this device’s year, is highlighted.

FDA decisions per year · NCX

1in 2023

2007: 62008: 32010: 12014: 12015: 12016: 32021: 12022: 12023: 1
2007high 6 (2007) · low 0 (2009)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · NCX

204in 2016

2007: 28 days median2008: 129 days median2016: 204 days median
2007high 204 (2016) · low 28 (2007)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · NCX

28in 2021

2007: 22014: 12021: 28
2007high 28 (2021) · low 0 (2008)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · NCX

273in 2025

2007: 42008: 82009: 42010: 92011: 72012: 142013: 312014: 412015: 322016: 3112017: 4502018: 5092019: 4362020: 4152021: 4612022: 5112023: 3732024: 3432025: 273
2007high 511 (2022) · low 4 (2007)2025

MAUDE reports naming product code NCX, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
200762824
2008312908
20090—04
20101—09
20110—07
20120—014
20130—031
20141—141
20151—032
201632040311
20170—0450
20180—0509
20190—0436
20200—0415
20211—28461
20221—0511
20231—0373
20240—0343
20250—0273
20260—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.

Cite this page

510(k) Report. “K220008: Solex 7 Intravascular Heat Exchange Catheter, Cool Line Intravascular Heat Exchange Catheter, ICY Intravascular Heat Exchange Catheter, Quattro Intravascular Heat Exchange Catheter, Thermogard HQ Start-Up Kit, Thermogard HQ Start-Up Kit EX, Thermogard HQ Console.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K220008

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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