510(k) Report

510(k) · Cleared

Recalled · Class II · 2025

Allon 2001 Version 5

K024128510(k) SpecialCleared Feb 10, 200356-day reviewClass II21 CFR 870.5900Recalls 1

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

Mtre Advanced Technology, Ltd. · DWJ System, Thermal Regulating

Cleared on Feb 10, 2003 as substantially equivalent to K003349 (Mtre Advanced Technology, Ltd., 2000) after a 56-day review. Its family tree reaches back 1 generation to 2000. 17 later devices descend from it. It has been recalled once.

Decided
Feb 10, 2003
Review
56 days
Class
Class II
Product code
DWJ
Recalls
1
Predicates
1

Its longest line of descent runs back 1 generation to K003349 (2000). 17 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2014: 2 descendants cleared2009: 1 descendant cleared2011: 2 descendants cleared2010: 1 descendant cleared2016: 2 descendants cleared2012: 3 descendants cleared2017: 1 descendant cleared2025: 3 descendants cleared2018: 1 descendant cleared2020: 1 descendant clearedReference device: K001546 · ALLON 2001 · Mtre Advanced Technology, Ltd. · 2000K003349 · Allon 2001 Modified · Mtre Advanced Technology, Ltd. · 2000200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 2 descendants3 generations forward: 5 descendants4 generations forward: 5 descendants5 generations forward: 2 descendants6 generations forward: 1 descendant K003349 · Allon 2001 Modified · Mtre Advanced Technology, Ltd. · 20000+5
  1. Root · 1 generation backK003349 Allon 2001 ModifiedMtre Advanced Technology, Ltd. · 2000
  2. This deviceK024128 Allon 2001 Version 5Mtre Advanced Technology, Ltd. · 2003
  3. Descendant · cites it directly · 16 of its ownK083662 CriticoolMtre Advanced Technology, Ltd. · 2009 · Recalled
  4. Descendant · 2 generations on · 9 of its ownK100585 Medi-Therm Hyper/Hypothermia System, Models MTA6900, MTA7900Gaymar Industries, Inc. · 2011
  5. Descendant · 3 generations on · 4 of its ownK142702 Arctic Sun Temperature Management System, ArcticGel Pads (Universal…Medivance, Inc. · 2014 · Recalled
  6. Descendant · 2 generations on · 4 of its ownK101589 Blanketrol Iii, Model 233 and Coolblue, Model 25-01…Cincinnati Sub-Zero Products, Inc. · 2010 · Recalled
  7. Descendant · 3 generations on · 3 of its ownK152266 Altrix Precision Temperature Management SystemStryker Medical · 2016 · Recalled

Showing 5 of 17 descendants. See all descendants

Descendants cleared per year

2009: 12010: 12011: 22012: 32014: 22016: 22017: 12018: 12020: 12025: 3
2009high 3 (2012) · low 0 (2013)2026

Most influential descendants

Showing 5 of 17 · See all
  • K083662CriticoolMtre Advanced Technology, Ltd. · 2009 · cites it directly16descendants
  • K100585Medi-Therm Hyper/Hypothermia System, Models MTA6900, MTA7900Gaymar Industries, Inc. · 2011 · 2 generations on9descendants
  • K142702Arctic Sun Temperature Management System, ArcticGel Pads (Universal, XXS, XS, S, M and…Medivance, Inc. · 2014 · 3 generations on4descendants
  • K101589Blanketrol Iii, Model 233 and Coolblue, Model 25-01 Hyper-Hypothermia SystemsCincinnati Sub-Zero Products, Inc. · 2010 · 2 generations on4descendants
  • K152266Altrix Precision Temperature Management SystemStryker Medical · 2016 · 3 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K003349Allon 2001 ModifiedMtre Advanced Technology, Ltd.2000—
0 (this device)K024128Allon 2001 Version 5Mtre Advanced Technology, Ltd.2003—
+1K083662CriticoolMtre Advanced Technology, Ltd.20091
+2K100585Medi-Therm Hyper/Hypothermia System, Models MTA6900, MTA7900Gaymar Industries, Inc.2011—
+3K142702Arctic Sun Temperature Management System, ArcticGel Pads (Universal, XXS, XS…Medivance, Inc.20146
+2K101589Blanketrol Iii, Model 233 and Coolblue, Model 25-01 Hyper-Hypothermia SystemsCincinnati Sub-Zero Products, Inc.20106
+3K152266Altrix Precision Temperature Management SystemStryker Medical20161

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200910
201010
201120
201230
201420
201620
201710
201810
202010
202530
FIG. 1 — Lineage of K024128, 2000–2025Source: 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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K003349Allon 2001 Modified
Summary page 2
…is provided in a variety of shapes and sizes, which are manufactured of the same materials and by the same process as those already cleared under KO01 546, K992356 and K003349. Indication for use-- The Allon 2001 version 5 is intended to maintain pre-set body…
Mtre Advanced Technology, Ltd.2000—
*—Cincinnati Subzero - Blanketrol
Named without a submission number
—
†K001546ALLON 2001Mtre Advanced Technology, Ltd.2000—
†K992356Unnamed device—

Also cleared against K003349: 3 other devices →

What descends from it? (17)

See all 17

2 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K083662CriticoolMtre Advanced Technology, Ltd.200916
K140078Tecotherm Neo (T Neo)Inspiration Healthcare, Ltd.20140

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

Recalls of this device

DateClassRecallRoot causeReason
May 13, 2025Class IIZ-1966-2025Device DesignAn investigation into a report of the patient wrap (ThermoWrap), used with the Allon device, exceeding the set temperature determined that if: 1. The Human Sensor Board is disconnected from the Controller Board in the Allon device AND the…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • Its one ancestor has no recall.
  • Of its descendants, K083662 (Mtre Advanced Technology, Ltd., 2009) has gone furthest, with 16 descendants of its own.
  • 3 other devices also cite its predicate K003349.

How does its category compare?

All DWJ devices

DWJ System, Thermal Regulating: FDA decisions, review times, recalls and adverse event reports over 20 years.

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 Allon 2001 version 5 is intended to maintain pre-set body temperature as determined by the physician. It can also be utilized to maintain normal body temperature during surgical procedures. It is indicated for use in hospital invasive and coronary care units, in operating, recovery and emergency rooms, in burn units, and on medical / surgical floors. This system can be used with adult and pediatric patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K024128: Allon 2001 Version 5.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K024128

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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