510(k) Report

510(k) · Cleared

Cleared

Medline ComfortTemp Patient Warming System

K231211510(k) TraditionalCleared Dec 1, 2023217-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

Medline Industries, LP · DWJ System, Thermal Regulating

Cleared on Dec 1, 2023 as substantially equivalent to K210603 (3M Company, 2021) after a 217-day review. Its family tree reaches back 3 generations to 2000.

Decided
Dec 1, 2023
Review
217 days
Class
Class II
Product code
DWJ
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K001149 (2000). No later device cites it as a predicate yet.

  1. Root · 3 generations backK001149 Augustine Medical Bair Huuger, Model 750 Total Temperature…Augustine Medical, Inc. · 2000 · Recalled
  2. 2 generations backK171373 3M Bair Hugger Model 675 Total Temperature Management System3M Company · 2017
  3. 1 generation backK210603 3M Bair Hugger Temperature Management System (Model 675)3M Company · 2021
  4. This deviceK231211 Medline ComfortTemp Patient Warming SystemMedline Industries, LP · 2023
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K001149Augustine Medical Bair Huuger, Model 750 Total Temperature Management…Augustine Medical, Inc.20001
−2K1713733M Bair Hugger Model 675 Total Temperature Management System3M Company2017—
−1K2106033M Bair Hugger Temperature Management System (Model 675)3M Company2021—
0 (this device)K231211Medline ComfortTemp Patient Warming SystemMedline Industries, LP2023—
FIG. 1 — Lineage of K231211, 2000–2023Source: 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.

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
*K2106033M Bair Hugger Temperature Management System (Model 675)
Summary page 4
…fication Name: Thermal Regulating System Product Code: DWJ Classification Panel: Cardiovascular Regulatory Class: II Regulation Number: 21 CFR 870.5900 Predicate Device K210603, 3M Bair Hugger Model 675 Total Temperature Management System Device Description The Medline ComfortTemp Patient Warming System…
3M Company2021—

What descends from it?

No later submission names this one as a predicate yet.

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

No FDA recall names this device.

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 23 years and passes through 3 companies; a new generation was cleared every 3.5 years on median.
  • 1 of the 3 ancestors has a recall of any class.

How does its category compare?

All DWJ devices

DWJ System, Thermal Regulating: FDA decisions, review times, recalls and adverse event reports over 20 years. 2023, 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 Medline ComfortTemp Patient Warming System is intended to prevent and treat hypothermia. In addition, the temperature management system can be used to provide patient thermal comfort when conditions exist that may cause patients to feel too warm or too cold. The temperature management system can be used with adult and pediatric patients.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K231211: Medline ComfortTemp Patient Warming System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231211

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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