510(k) Report

510(k) · Cleared

Cleared

TempTraq TT-100

K143267510(k) TraditionalCleared Sep 2, 2015293-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

Blue Spark Technologies, Inc. · FLL Continuous Measurement Thermometer

Cleared on Sep 2, 2015 as substantially equivalent to K063542 (Mesure Technology Co., Ltd., 2007) after a 293-day review. Its family tree reaches back 3 generations to 2001. 32 later devices descend from it.

Decided
Sep 2, 2015
Review
293 days
Class
Class II
Product code
FLL
Recalls
None
Predicates
1

Its longest line of descent runs back 3 generations to K003326 (2001). 32 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2020: 3 descendants cleared2017: 1 descendant cleared2019: 2 descendants cleared2018: 1 descendant cleared2024: 7 descendants cleared2022: 3 descendants cleared2021: 2 descendants cleared2025: 6 descendants cleared2023: 5 descendants cleared2026: 2 descendants clearedReference device: K132761 · Wireless Thermometer · Raiing Medical Company · 2014K003326 · Funet Amy Mama Body Thermometer · Funai Radio & Communications Corp. · 2001K023956 · Thermometer Models ST313C/F, ST314C/F, ST323C/F, ST324C/F, ST333C/F, ST334C/F · Mesure Technology Co., Ltd. · 2004K063542 · Wireless Temperature Monitor / Models ST323C and ST323F. · Mesure Technology Co., Ltd. · 2007200020052010201520202025
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 4 descendants3 generations forward: 7 descendants4 generations forward: 9 descendants5 generations forward: 4 descendants6 generations forward: 6 descendants K063542 · Wireless Temperature Monitor / Models ST323C and ST323F. · Mesure Technology Co., Ltd. · 2007K023956 · Thermometer Models ST313C/F, ST314C/F, ST323C/F, ST324C/F, ST333C/F, ST334C/F · Mesure Technology Co., Ltd. · 2004K003326 · Funet Amy Mama Body Thermometer · Funai Radio & Communications Corp. · 20010+5
  1. Root · 3 generations backK003326 Funet Amy Mama Body ThermometerFunai Radio & Communications Corp. · 2001
  2. 2 generations backK023956 Thermometer Models ST313C/F, ST314C/F, ST323C/F, ST324C/F, ST333C/F…Mesure Technology Co., Ltd. · 2004
  3. 1 generation backK063542 Wireless Temperature Monitor / Models ST323C and ST323F.Mesure Technology Co., Ltd. · 2007
  4. This deviceK143267 TempTraq TT-100Blue Spark Technologies, Inc. · 2015
  5. Descendant · cites it directly · 29 of its ownK162137 Fever Scout™ Continuous Monitoring thermometerVivaLNK, Inc. · 2017
  6. Descendant · 2 generations on · 26 of its ownK181013 Fever ScoutVivaLNK, Inc. · 2018
  7. Descendant · 3 generations on · 16 of its ownK191272 Wearable Device, Wearable PackageCurrent Health, Ltd. · 2019
  8. Descendant · 4 generations on · 8 of its ownK210133 Current Health Monitoring System Gen 2 (G2)Current Health · 2021
  9. Descendant · 4 generations on · 7 of its ownK221282 Empatica Health Monitoring PlatformEmpatica S.r.l. · 2022

Showing 5 of 32 descendants. See all descendants

Descendants cleared per year

2017: 12018: 12019: 22020: 32021: 22022: 32023: 52024: 72025: 62026: 2
2017high 7 (2024) · low 1 (2017)2026

Most influential descendants

Showing 5 of 32 · See all
  • K162137Fever Scout™ Continuous Monitoring thermometerVivaLNK, Inc. · 2017 · cites it directly29descendants
  • K181013Fever ScoutVivaLNK, Inc. · 2018 · 2 generations on26descendants
  • K191272Wearable Device, Wearable PackageCurrent Health, Ltd. · 2019 · 3 generations on16descendants
  • K210133Current Health Monitoring System Gen 2 (G2)Current Health · 2021 · 4 generations on8descendants
  • K221282Empatica Health Monitoring PlatformEmpatica S.r.l. · 2022 · 4 generations on7descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−3K003326Funet Amy Mama Body ThermometerFunai Radio & Communications Corp.2001—
−2K023956Thermometer Models ST313C/F, ST314C/F, ST323C/F, ST324C/F, ST333C/F, ST334C/FMesure Technology Co., Ltd.2004—
−1K063542Wireless Temperature Monitor / Models ST323C and ST323F.Mesure Technology Co., Ltd.2007—
0 (this device)K143267TempTraq TT-100Blue Spark Technologies, Inc.2015—
+1K162137Fever Scout™ Continuous Monitoring thermometerVivaLNK, Inc.2017—
+2K181013Fever ScoutVivaLNK, Inc.2018—
+3K191272Wearable Device, Wearable PackageCurrent Health, Ltd.2019—
+4K210133Current Health Monitoring System Gen 2 (G2)Current Health2021—
+4K221282Empatica Health Monitoring PlatformEmpatica S.r.l.2022—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201710
201810
201920
202030
202120
202230
202350
202470
202560
202620
FIG. 1 — Lineage of K143267, 2001–2026Source: 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 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? (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
*K063542Wireless Temperature Monitor / Models ST323C and ST323F.
Summary page 6
…General Hospital Class II Equivalent legally marketed devices:  Wireless Thermometer (ST323C/F) by Mesure Technology Co., Ltd (K063542) The Raiing Medical iThermonitor (K132761) provides an example of a cleared device that affixes the sensor to the skin under the…
Mesure Technology Co., Ltd.2007—
†K132761Wireless ThermometerRaiing Medical Company2014—

What descends from it? (32)

See all 32

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

NumberDeviceApplicantDecidedDescendants
K162137Fever Scout™ Continuous Monitoring thermometerVivaLNK, Inc.201729
K201977TempTraqBlue Spark Technologies, Inc.20201

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 14 years and passes through 3 companies; a new generation was cleared every 3.2 years on median.
  • None of the 3 ancestors has a recall.
  • Of its descendants, K162137 (VivaLNK, Inc., 2017) has gone furthest, with 29 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. 2015, this device’s year, is highlighted.

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—

What is it indicated for?

The Wireless thermometer, model TT-100, is a battery-operated electronic device with intended use of measuring human body temperature precisely. This device is single-use and intended for armpit temperature measurement for persons of all age.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K143267: TempTraq TT-100.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K143267

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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