510(k) Report

510(k) · Cleared

Cleared

Trans-Scan 3-D Transcranial Doppler

K874685510(k) TraditionalCleared Apr 25, 1988165-day reviewClass II21 CFR 892.1560

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

Carolina Medical Electronics · IYO System, Imaging, Pulsed Echo, Ultrasonic

Cleared on Apr 25, 1988 after a 165-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 1 of the 95 devices in its family, counting itself, has a Class I recall. 94 later devices descend from it.

Decided
Apr 25, 1988
Review
165 days
Class
Class II
Product code
IYO
Recalls
None
Predicates
0

94 later devices descend from it, 1 citing it directly. 1 of the 95 devices in this family, counting this one, has a Class I recall.

Descendants, by year cleared 1999: 1 descendant cleared2002: 1 descendant cleared2012: 3 descendants cleared2006: 2 descendants cleared2008: 2 descendants cleared2003: 1 descendant cleared2015: 5 descendants cleared2005: 1 descendant cleared2009: 3 descendants cleared2014: 4 descendants cleared2018: 7 descendants cleared2010: 3 descendants cleared2020: 5 descendants cleared, 1 with a Class I recall12019: 7 descendants cleared2017: 7 descendants cleared2024: 7 descendants cleared2011: 2 descendants cleared2016: 3 descendants cleared2022: 5 descendants cleared2025: 5 descendants cleared2013: 1 descendant cleared2023: 8 descendants cleared2026: 8 descendants cleared2021: 3 descendants cleared1990200020102020
  1. This deviceK874685 Trans-Scan 3-D Transcranial DopplerCarolina Medical Electronics · 1988
  2. Descendant · cites it directly · 93 of its ownK991054 Bravo Multi-Modality SystemNicolet Biomedical, Inc. · 1999 · Recalled
  3. Descendant · 2 generations on · 40 of its ownK031510 Nim-SpineMedtronic Xomed · 2003
  4. Descendant · 2 generations on · 30 of its ownK112052 Carefusion Nicolet EdxCarefusion 209, Inc. · 2012
  5. Descendant · 3 generations on · 30 of its ownK083124 NIM 3.0Medtronic Xomed, Inc. · 2009 · Recalled
  6. Descendant · 2 generations on · 24 of its ownK132694 Nuvasive NVM5 SystemNu Vasive, Incorporated · 2014

Showing 5 of 94 descendants. See all descendants

Descendants cleared per year

1999: 12002: 12003: 12005: 12006: 22008: 22009: 32010: 32011: 22012: 32013: 12014: 42015: 52016: 32017: 72018: 72019: 72020: 52021: 32022: 52023: 82024: 72025: 52026: 8
1999high 8 (2023) · low 0 (2000)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 94 · See all
  • K991054Bravo Multi-Modality SystemNicolet Biomedical, Inc. · 1999 · cites it directly93descendants
  • K031510Nim-SpineMedtronic Xomed · 2003 · 2 generations on40descendants
  • K112052Carefusion Nicolet EdxCarefusion 209, Inc. · 2012 · 2 generations on30descendants
  • K083124NIM 3.0Medtronic Xomed, Inc. · 2009 · 3 generations on30descendants
  • K132694Nuvasive NVM5 SystemNu Vasive, Incorporated · 2014 · 2 generations on24descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K874685Trans-Scan 3-D Transcranial DopplerCarolina Medical Electronics1988—
+1K991054Bravo Multi-Modality SystemNicolet Biomedical, Inc.19994
+2K031510Nim-SpineMedtronic Xomed2003—
+2K112052Carefusion Nicolet EdxCarefusion 209, Inc.2012—
+3K083124NIM 3.0Medtronic Xomed, Inc.20093
+2K132694Nuvasive NVM5 SystemNu Vasive, Incorporated2014—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200210
200310
200510
200620
200820
200930
201030
201120
201230
201310
201440
201550
201630
201770
201870
201970
202051
202130
202250
202380
202470
202550
202680
FIG. 1 — Lineage of K874685, 1988–2026Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

1 device in this family has a Class I recall. 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 IYO device

  1. #1 K243937 Accuro 3Sscore 20.5 · 18 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? (94)

See all 94

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

NumberDeviceApplicantDecidedDescendants
K991054Bravo Multi-Modality SystemNicolet Biomedical, Inc.199993

Has anything in its family been recalled? (1 Class I)

No FDA recall names this device.

Relatives with a Class I recall

Class I is FDA’s most serious recall class. A recall in the family tree is context for this device, not evidence about it.

  • K200759NIM Vital, Nerve Integrity MonitorMedtronic Xomed, Inc. · 2020 · 4 generations on · ◆ in the 2020 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • Of its descendants, K991054 (Nicolet Biomedical, Inc., 1999) has gone furthest, with 93 descendants of its own.

How does its category compare?

All IYO devices

IYO System, Imaging, Pulsed Echo, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IYO

7in 2025

2007: 202008: 142009: 132010: 152011: 112012: 152013: 172014: 142015: 192016: 102017: 192018: 142019: 132020: 112021: 152022: 52023: 112024: 102025: 72026 (partial year): 10
2007high 20 (2007) · low 5 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYO

171in 2025

2007: 17 days median2008: 36 days median2009: 79 days median2010: 113 days median2011: 69 days median2012: 68 days median2013: 50 days median2014: 63 days median2015: 46 days median2016: 36 days median2017: 72 days median2018: 56 days median2019: 59 days median2020: 57 days median2021: 64 days median2022: 190 days median2023: 177 days median2024: 220 days median2025: 171 days median2026 (partial year): 139 days median
2007high 220 (2024) · low 17 (2007)2026

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

Recalls per year · IYO

1in 2022

2007: 42008: 52009: 92010: 82012: 22013: 32014: 22015: 12018: 12019: 12021: 112022: 12026 (partial year): 1
2007high 11 (2021) · low 0 (2011)2026

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

Adverse event reports per year · IYO

485in 2025

2007: 392008: 202009: 272010: 202011: 582012: 782013: 4362014: 3042015: 2682016: 2542017: 2382018: 3682019: 5372020: 4982021: 6172022: 5112023: 5272024: 6402025: 485
2007high 640 (2024) · low 20 (2008)2025

MAUDE reports naming product code IYO, 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
20072017439
20081436520
20091379927
201015113820
20111169058
20121568278
201317503436
201414632304
201519461268
201610360254
201719720238
201814561368
201913591537
202011570498
2021156411617
202251901511
2023111770527
2024102200640
202571710485
2026101391—
Cite this page

510(k) Report. “K874685: Trans-Scan 3-D Transcranial Doppler.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K874685

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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