510(k) Report

510(k) · Cleared

Cleared

Unimed Temperature Probe

K121427510(k) TraditionalCleared May 29, 201215-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

Unimed Medical Supplies, Inc. · FLL Continuous Measurement Thermometer

Cleared on May 29, 2012 as substantially equivalent to K962070 (Yellow Springs Instrument Co., Inc., 1996) and 1 other predicate after a 15-day review. Its family tree reaches back 2 generations to 1996. 8 later devices descend from it.

Decided
May 29, 2012
Review
15 days
Class
Class II
Product code
FLL
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K962070 (1996). 8 later devices descend from it, 7 citing it directly.

Descendants, by year cleared 2025: 1 descendant cleared2020: 1 descendant cleared2018: 1 descendant cleared2019: 2 descendants cleared2021: 1 descendant cleared2026: 1 descendant cleared2023: 1 descendant clearedK962070 · Ysi 400 Series Atuoclavable Reusable Temperature Probe · Yellow Springs Instrument Co., Inc. · 1996 · recalledK050837 · Reusable Temperature Probes (M1024254 Skin Temperature Probe, Reusable; M1024247, GP Temperature Probe, Adult, Resuable · GE Healthcare · 20051995200020052010201520202025
  1. Root · 2 generations backK962070 Ysi 400 Series Atuoclavable Reusable Temperature ProbeYellow Springs Instrument Co., Inc. · 1996 · Recalled
  2. 1 generation backK050837 Reusable Temperature Probes (M1024254 Skin Temperature Probe…GE Healthcare · 2005
  3. This deviceK121427 Unimed Temperature ProbeUnimed Medical Supplies, Inc. · 2012
  4. Descendant · cites it directly · 1 of its ownK193338 Med-link Reusable Temperature Probes, Med-link Disposable…Shenzhen Med-Link Electronics Tech Co., Ltd. · 2020
  5. Descendant · cites it directly · 0 of its ownK253162 Temperature probes (T2252-PG); Temperature probes (TCMA-AG)…Unimed Medical Supplies, Inc. · 2026
  6. Descendant · cites it directly · 0 of its ownK243000 Reusable Temperature Probe (T1306, T2306, T3306, T4306); Disposable…Shenzhen Medke Technology Co., Ltd. · 2025
  7. Descendant · 2 generations on · 0 of its ownK223807 Reusable Temperature Probe, Disposable Temperature ProbeShenzhen Sino-K Medical Technology Co.,Ltd · 2023
  8. Descendant · cites it directly · 0 of its ownK203636 PlusCare Temperature Probes, Skin Types: PT2252-AS, PTHP-AS…Jkh USA, LLC · 2021

Showing 5 of 8 descendants. See all descendants

Descendants cleared per year

2018: 12019: 22020: 12021: 12023: 12025: 12026: 1
2018high 2 (2019) · low 0 (2022)2026

Most influential descendants

Showing 5 of 8 · See all
  • K193338Med-link Reusable Temperature Probes, Med-link Disposable Temperature ProbesShenzhen Med-Link Electronics Tech Co., Ltd. · 2020 · cites it directly1descendant
  • K253162Temperature probes (T2252-PG); Temperature probes (TCMA-AG); Temperature probes…Unimed Medical Supplies, Inc. · 2026 · cites it directly0descendants
  • K243000Reusable Temperature Probe (T1306, T2306, T3306, T4306); Disposable Temperature Probe…Shenzhen Medke Technology Co., Ltd. · 2025 · cites it directly0descendants
  • K223807Reusable Temperature Probe, Disposable Temperature ProbeShenzhen Sino-K Medical Technology Co.,Ltd · 2023 · 2 generations on0descendants
  • K203636PlusCare Temperature Probes, Skin Types: PT2252-AS, PTHP-AS, PTMQ-AS, PTSW-AS…Jkh USA, LLC · 2021 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K962070Ysi 400 Series Atuoclavable Reusable Temperature ProbeYellow Springs Instrument Co., Inc.19962
−1K050837Reusable Temperature Probes (M1024254 Skin Temperature Probe, Reusable…GE Healthcare2005—
0 (this device)K121427Unimed Temperature ProbeUnimed Medical Supplies, Inc.2012—
+1K193338Med-link Reusable Temperature Probes, Med-link Disposable Temperature ProbesShenzhen Med-Link Electronics Tech Co., Ltd.2020—
+1K253162Temperature probes (T2252-PG); Temperature probes (TCMA-AG); Temperature…Unimed Medical Supplies, Inc.2026—
+1K243000Reusable Temperature Probe (T1306, T2306, T3306, T4306); Disposable…Shenzhen Medke Technology Co., Ltd.2025—
+2K223807Reusable Temperature Probe, Disposable Temperature ProbeShenzhen Sino-K Medical Technology Co.,Ltd2023—
+1K203636PlusCare Temperature Probes, Skin Types: PT2252-AS, PTHP-AS, PTMQ-AS, PTSW-AS…Jkh USA, LLC2021—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201810
201920
202010
202110
202310
202510
202610
FIG. 1 — Lineage of K121427, 1996–2026Source: 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? (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
*K962070Ysi 400 Series Atuoclavable Reusable Temperature Probe
Summary page 2
…General Purpose Temperature Probe TMR-AG Unined General Purpose Temperature Probe Predicate Device: YSI 400 Series Autoclavable Temperature Probe (K962070) GE Reusable Temperature Probes (K050837) Indications for use Unined Temperature Probes are intended to be used for monitoring t…
Yellow Springs Instrument Co., Inc.19962
*K050837Reusable Temperature Probes (M1024254 Skin Temperature Probe, Reusable; M1024247, GP…
Summary page 2
…MR-AG Unined General Purpose Temperature Probe Predicate Device: YSI 400 Series Autoclavable Temperature Probe (K962070) GE Reusable Temperature Probes (K050837) Indications for use Unined Temperature Probes are intended to be used for monitoring temperature. The temperature probes are re…
GE Healthcare2005—

Also cleared against K962070: 1 other device →

What descends from it? (8)

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

NumberDeviceApplicantDecidedDescendants
K193338Med-link Reusable Temperature Probes, Med-link Disposable Temperature ProbesShenzhen Med-Link Electronics Tech Co., Ltd.20201
K253162Temperature probes (T2252-PG); Temperature probes (TCMA-AG); Temperature probes…Unimed Medical Supplies, Inc.20260
K243000Reusable Temperature Probe (T1306, T2306, T3306, T4306); Disposable Temperature Probe…Shenzhen Medke Technology Co., Ltd.20250
K203636PlusCare Temperature Probes, Skin Types: PT2252-AS, PTHP-AS, PTMQ-AS, PTSW-AS…Jkh USA, LLC20210
K182751Reusable Temperature ProbeShenzhen Caremed Medical Technology Co., Ltd.20190
K182667Med-link Temperature ProbesShenzhen Med-Link Electronics Tech Co., Ltd.20190
K173194Temperature ProbeOrantech, Inc.20180

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 16 years and passes through 3 companies; a new generation was cleared every 8.8 years on median.
  • 1 of the 2 ancestors has a recall of any class.
  • Of its descendants, K193338 (Shenzhen Med-Link Electronics Tech Co., Ltd., 2020) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K962070.

How does its category compare?

All FLL devices

FLL Continuous Measurement Thermometer: FDA decisions, review times, recalls and adverse event reports over 20 years. 2012, 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?

Unimed Temperature Probes are intended to be used for monitoring temperature. The temperature probes are reusable and designed for use with monitors of Philips, Marquette, Mindray, Spacelabs, Siemens, Artema/S&W and other monitors compatible with YSI 400 series temperature probes.

These devices are indicated for used by qualified medical personnel only.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K121427: Unimed Temperature Probe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K121427

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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