510(k) Report

510(k) · Cleared

Recalled · Class II · 2026

Blanketrol II Hyper-Hypothermia Temperature Managment System

K110104510(k) TraditionalCleared Feb 4, 201122-day reviewClass II21 CFR 870.5900Recalls 3

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

Cincinnati Sub-Zero Products, Inc. · DWJ System, Thermal Regulating

Cleared on Feb 4, 2011 as substantially equivalent to K101589 (Cincinnati Sub-Zero Products, Inc., 2010) after a 22-day review. Its family tree reaches back 4 generations to 2000. 1 later device descends from it. It has been recalled 3 times.

Decided
Feb 4, 2011
Review
22 days
Class
Class II
Product code
DWJ
Recalls
3
Predicates
1

Its longest line of descent runs back 4 generations to K003349 (2000). 8 ancestors in all, the oldest K811742 (1981). 1 later device descends from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 1991: 1 other ancestor2007: 1 other ancestor2001: 1 other ancestor1981: 1 other ancestor2012: 1 descendant clearedK003349 · Allon 2001 Modified · Mtre Advanced Technology, Ltd. · 2000K024128 · Allon 2001 Version 5 · Mtre Advanced Technology, Ltd. · 2003 · recalledK083662 · Criticool · Mtre Advanced Technology, Ltd. · 2009 · recalledK101589 · Blanketrol Iii, Model 233 and Coolblue, Model 25-01 Hyper-Hypothermia Systems · Cincinnati Sub-Zero Products, Inc. · 2010 · recalled19801990200020102020
  1. Root · 4 generations backK003349 Allon 2001 ModifiedMtre Advanced Technology, Ltd. · 2000
  2. 3 generations backK024128 Allon 2001 Version 5Mtre Advanced Technology, Ltd. · 2003 · Recalled
  3. 2 generations backK083662 CriticoolMtre Advanced Technology, Ltd. · 2009 · Recalled
  4. 1 generation backK101589 Blanketrol Iii, Model 233 and Coolblue, Model 25-01…Cincinnati Sub-Zero Products, Inc. · 2010 · Recalled
  5. This deviceK110104 Blanketrol II Hyper-Hypothermia Temperature Managment SystemCincinnati Sub-Zero Products, Inc. · 2011
  6. Descendant · cites it directly · 0 of its ownK121720 Welkins Emt/Icu Temperature Managerment SystemWelkins, LLC · 2012

Most influential descendants

Showing 1 of 1 · See all
  • K121720Welkins Emt/Icu Temperature Managerment SystemWelkins, LLC · 2012 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K003349Allon 2001 ModifiedMtre Advanced Technology, Ltd.2000—
−3K024128Allon 2001 Version 5Mtre Advanced Technology, Ltd.20031
−2K083662CriticoolMtre Advanced Technology, Ltd.20091
−1K101589Blanketrol Iii, Model 233 and Coolblue, Model 25-01 Hyper-Hypothermia SystemsCincinnati Sub-Zero Products, Inc.20106
0 (this device)K110104Blanketrol II Hyper-Hypothermia Temperature Managment SystemCincinnati Sub-Zero Products, Inc.2011—
+1K121720Welkins Emt/Icu Temperature Managerment SystemWelkins, LLC2012—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198110
199110
200110
200710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201210
FIG. 1 — Lineage of K110104, 2000–2012Source: 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.

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. #1 K260278 ThermAffyx (TM) Patient Safety Systemscore 12.8 · 5 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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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
*K101589Blanketrol Iii, Model 233 and Coolblue, Model 25-01 Hyper-Hypothermia Systems
Summary page 1
…11. IDENTIFICATION OF PREDICATES: a. Cincinnati Sub-Zero Blanketrol III Model 233 Hyper-Hypothermia Temperature Management System (K 10 15 89) DEVICE DESCRIPTION The Blanketrol II Model 222S is a water (liquid) recirculating device providing either…
Cincinnati Sub-Zero Products, Inc.20106

Also cleared against K101589: 2 other devices →

What descends from it? (1)

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

NumberDeviceApplicantDecidedDescendants
K121720Welkins Emt/Icu Temperature Managerment SystemWelkins, LLC20120

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Jul 13, 2026Class IIZ-2968-2026Device DesignOverheating occurring on 115V CPU boards for the Blanketrol III Model 233, Innercool CoolBlue Model STx, and Blanketrol II Model 222S products may cause the device to shut down.
Jul 2, 2019Class IIZ-0418-2020Labeling False and MisleadingWarnings statements have been added- exceeding 40 degree C for extended periods may cause tissue damage. Additionally, a caution was added and clarifications were made regarding the use of the Automatic modes
Jan 8, 2014Class IIZ-1679-2014Mixed-up of materials/componentsThe incorrect voltage component was placed into the device during manufacturing. This may make the device unable to maintain patient temperature during cooling mode. The device will continue to indicate that the unit is cooling because…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 11 years and passes through 2 companies; a new generation was cleared every 2.2 years on median.
  • 7 of the 8 ancestors have a recall of any class.
  • Of its descendants, K121720 (Welkins, LLC, 2012) has gone furthest, with 0 descendants of its own.
  • 2 other devices also cite its predicate K101589.

How does its category compare?

All DWJ devices

DWJ System, Thermal Regulating: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.

FDA decisions per year · DWJ

3in 2025

2007: 42008: 32009: 32010: 82011: 42012: 52013: 52014: 42016: 22017: 52018: 32019: 22020: 52021: 22022: 22023: 62024: 22025: 32026 (partial year): 5
2007high 8 (2010) · low 0 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DWJ

131in 2025

2007: 106 days median2008: 73 days median2009: 106 days median2010: 134 days median2011: 180 days median2012: 69 days median2013: 77 days median2014: 131 days median2017: 153 days median2018: 95 days median2020: 30 days median2023: 42 days median2025: 131 days median2026 (partial year): 99 days median
2007high 180 (2011) · low 30 (2020)2026

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

Recalls per year · DWJ

3in 2024

2009: 62010: 22011: 72012: 12013: 22015: 12017: 32018: 52019: 32020: 22021: 12022: 52024: 32026 (partial year): 3
2007high 7 (2011) · low 0 (2007)2026

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

Adverse event reports per year · DWJ

2,384in 2025

2007: 522008: 402009: 712010: 1042011: 1362012: 1062013: 732014: 1162015: 2452016: 1,4002017: 1,4732018: 1,5172019: 2,2942020: 2,5462021: 2,6892022: 3,2262023: 3,4552024: 3,3292025: 2,384
2007high 3,455 (2023) · low 40 (2008)2025

MAUDE reports naming product code DWJ, 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
20074106052
2008373040
20093106671
201081342104
201141807136
20125691106
2013577273
201441310116
20150—1245
20162—01,400
2017515331,473
201839551,517
20192—32,294
202053022,546
20212—12,689
20222—53,226
202364203,455
20242—33,329
2025313102,384
20265993—

What is it indicated for?

The Blanketrol II Model 222S Hyper-Hypothermia Temperature Management System is used to lower or to raise a patient's temperature and/or maintain a desired patient temperature through conductive heat transfer. The system is composed of a heater, a compressor, a circulating pump and blankets/pads.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K110104: Blanketrol II Hyper-Hypothermia Temperature Managment System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K110104

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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