510(k) Report

510(k) · Cleared

Cleared

Multichannel 2000 Fluoroptic Thermomet

K841105510(k) TraditionalCleared Jul 3, 1984111-day reviewClass II21 CFR 880.2910

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

Luxtron · FLL Continuous Measurement Thermometer

Cleared on Jul 3, 1984 after a 111-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 21 later devices descend from it.

Decided
Jul 3, 1984
Review
111 days
Class
Class II
Product code
FLL
Recalls
None
Predicates
0

21 later devices descend from it, 1 citing it directly.

Descendants, by year cleared 2003: 1 descendant cleared2006: 1 descendant cleared2008: 2 descendants cleared2007: 2 descendants cleared2010: 1 descendant cleared2015: 4 descendants cleared2009: 2 descendants cleared2018: 2 descendants cleared2011: 1 descendant cleared2023: 1 descendant cleared2025: 1 descendant cleared2013: 1 descendant cleared2024: 1 descendant cleared2016: 1 descendant cleared19801990200020102020
  1. This deviceK841105 Multichannel 2000 Fluoroptic ThermometLuxtron · 1984
  2. Descendant · cites it directly · 20 of its ownK031556 Vivatherm Themperature Measurement SystemVivant Medical, Inc. · 2003
  3. Descendant · 2 generations on · 15 of its ownK052919 Microsulis Tissue Ablation SystemMicrosulis Americas, Inc. · 2006
  4. Descendant · 3 generations on · 11 of its ownK072870 Microwave Tissue Coagulation System (MTCS)Foundry Newco X, Inc. · 2008
  5. Descendant · 4 generations on · 10 of its ownK082819 Dermatologic Treatment System (DTS) G2Miramar Labs, Inc. · 2009
  6. Descendant · 5 generations on · 5 of its ownK103014 Miradry SystemMiramar Labs, Inc. · 2011 · Recalled

Showing 5 of 21 descendants. See all descendants

Descendants cleared per year

2003: 12006: 12007: 22008: 22009: 22010: 12011: 12013: 12015: 42016: 12018: 22023: 12024: 12025: 1
2003high 4 (2015) · low 0 (2004)2026

Most influential descendants

Showing 5 of 21 · See all
  • K031556Vivatherm Themperature Measurement SystemVivant Medical, Inc. · 2003 · cites it directly20descendants
  • K052919Microsulis Tissue Ablation SystemMicrosulis Americas, Inc. · 2006 · 2 generations on15descendants
  • K072870Microwave Tissue Coagulation System (MTCS)Foundry Newco X, Inc. · 2008 · 3 generations on11descendants
  • K082819Dermatologic Treatment System (DTS) G2Miramar Labs, Inc. · 2009 · 4 generations on10descendants
  • K103014Miradry SystemMiramar Labs, Inc. · 2011 · 5 generations on5descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K841105Multichannel 2000 Fluoroptic ThermometLuxtron1984—
+1K031556Vivatherm Themperature Measurement SystemVivant Medical, Inc.2003—
+2K052919Microsulis Tissue Ablation SystemMicrosulis Americas, Inc.2006—
+3K072870Microwave Tissue Coagulation System (MTCS)Foundry Newco X, Inc.2008—
+4K082819Dermatologic Treatment System (DTS) G2Miramar Labs, Inc.2009—
+5K103014Miradry SystemMiramar Labs, Inc.20112

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200310
200610
200720
200820
200920
201010
201110
201310
201540
201610
201820
202310
202410
202510
FIG. 1 — Lineage of K841105, 1984–2025Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in FLL? 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 FLL device

  1. #1 K191829 Microlife Non-Contact Infrared Forehead…score 26.7 · 4 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? (21)

See all 21

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

NumberDeviceApplicantDecidedDescendants
K031556Vivatherm Themperature Measurement SystemVivant Medical, Inc.200320

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, K031556 (Vivant Medical, Inc., 2003) has gone furthest, with 20 descendants of its own.

How does its category compare?

All FLL devices

FLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · FLL

6in 2025

2007: 152008: 142009: 132010: 242011: 202012: 172013: 142014: 72015: 32016: 222017: 162018: 352019: 222020: 212021: 432022: 242023: 172024: 132025: 62026 (partial year): 2
2007high 43 (2021) · low 3 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · FLL

131in 2025

2007: 81 days median2008: 59 days median2009: 84 days median2010: 88 days median2011: 113 days median2012: 126 days median2013: 149 days median2014: 199 days median2015: 270 days median2016: 157 days median2017: 174 days median2018: 209 days median2019: 198 days median2020: 194 days median2021: 218 days median2022: 218 days median2023: 295 days median2024: 223 days median2025: 131 days median
2007high 295 (2023) · low 59 (2008)2026

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

Recalls per year · FLL

1in 2025

2011: 12015: 12017: 22018: 12019: 52025: 12026 (partial year): 1
2007high 5 (2019) · low 0 (2007)2026

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

Adverse event reports per year · FLL

73in 2025

2007: 42008: 132009: 92010: 92011: 182012: 262013: 162014: 542015: 532016: 582017: 1182018: 512019: 522020: 532021: 1152022: 1422023: 1012024: 1182025: 73
2007high 142 (2022) · low 4 (2007)2025

MAUDE reports naming product code FLL, 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
2007158104
20081459013
2009138409
2010248809
201120113118
201217126026
201314149016
20147199054
20153270153
201622157058
2017161742118
201835209151
201922198552
202021194053
2021432180115
2022242180142
2023172950101
2024132230118
20256131173
20262—1—
Cite this page

510(k) Report. “K841105: Multichannel 2000 Fluoroptic Thermomet.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K841105

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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