510(k) Report

510(k) · Cleared

Cleared

Bair Hugger (R) Patient Warming System-Modification

K903360510(k) TraditionalCleared Aug 14, 199029-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

Augustine Medical, Inc. · DWJ System, Thermal Regulating

Cleared on Aug 14, 1990 after a 29-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 9 later devices descend from it.

Decided
Aug 14, 1990
Review
29 days
Class
Class II
Product code
DWJ
Recalls
None
Predicates
0

9 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1997: 1 descendant cleared2004: 1 descendant cleared2006: 2 descendants cleared2014: 2 descendants cleared2009: 1 descendant cleared2024: 1 descendant cleared2018: 1 descendant cleared1990200020102020
  1. This deviceK903360 Bair Hugger (R) Patient Warming System-ModificationAugustine Medical, Inc. · 1990
  2. Descendant · cites it directly · 7 of its ownK041686 Bair Hugger Temperature Management SystemArizant Healthcare, Inc. · 2004
  3. Descendant · 2 generations on · 6 of its ownK053645 Modification to:Bair Hugger Temperature Management SystemsArizant Healthcare, Inc. · 2006 · Recalled
  4. Descendant · 3 generations on · 4 of its ownK060865 Bair Paws Temperature Management System Model 850Arizant Healthcare, Inc. · 2006 · Recalled
  5. Descendant · 4 generations on · 2 of its ownK083336 Level 1 Snuggle Warm Adult Underbody Convective Warming Blanket…Smiths Medical Asd, Inc. · 2009
  6. Descendant · 5 generations on · 1 of its ownK141686 Equator Convective Warmer, Snuggle Warm Adult Full Body Convective…Smith Medical Asd, Inc. · 2014

Showing 5 of 9 descendants. See all descendants

Descendants cleared per year

1997: 12004: 12006: 22009: 12014: 22018: 12024: 1
1997high 2 (2006) · low 0 (1998)2026

Most influential descendants

Showing 5 of 9 · See all
  • K041686Bair Hugger Temperature Management SystemArizant Healthcare, Inc. · 2004 · cites it directly7descendants
  • K053645Modification to:Bair Hugger Temperature Management SystemsArizant Healthcare, Inc. · 2006 · 2 generations on6descendants
  • K060865Bair Paws Temperature Management System Model 850Arizant Healthcare, Inc. · 2006 · 3 generations on4descendants
  • K083336Level 1 Snuggle Warm Adult Underbody Convective Warming Blanket, Model SW-2013, Level 1…Smiths Medical Asd, Inc. · 2009 · 4 generations on2descendants
  • K141686Equator Convective Warmer, Snuggle Warm Adult Full Body Convective Warming Blanket…Smith Medical Asd, Inc. · 2014 · 5 generations on1descendant
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K903360Bair Hugger (R) Patient Warming System-ModificationAugustine Medical, Inc.1990—
+1K041686Bair Hugger Temperature Management SystemArizant Healthcare, Inc.2004—
+2K053645Modification to:Bair Hugger Temperature Management SystemsArizant Healthcare, Inc.20064
+3K060865Bair Paws Temperature Management System Model 850Arizant Healthcare, Inc.20066
+4K083336Level 1 Snuggle Warm Adult Underbody Convective Warming Blanket, Model…Smiths Medical Asd, Inc.2009—
+5K141686Equator Convective Warmer, Snuggle Warm Adult Full Body Convective Warming…Smith Medical Asd, Inc.2014—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199710
200410
200620
200910
201420
201810
202410
FIG. 1 — Lineage of K903360, 1990–2024Source: 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), 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (9)

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

NumberDeviceApplicantDecidedDescendants
K041686Bair Hugger Temperature Management SystemArizant Healthcare, Inc.20047
K964673Bair Hugger Model 630 Cardiac BlanketAugustine Medical, Inc.19970

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?

  • Of its descendants, K041686 (Arizant Healthcare, Inc., 2004) has gone furthest, with 7 descendants of its own.

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—
Cite this page

510(k) Report. “K903360: Bair Hugger (R) Patient Warming System-Modification.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K903360

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026