510(k) Report

510(k) · Cleared

Cleared

AU6

K990360510(k) TraditionalCleared Apr 30, 199984-day reviewClass II21 CFR 892.1550

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

Biosound Esaote, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Apr 30, 1999 as substantially equivalent to K980468 (Biosound Esaote, Inc., 1998) after an 84-day review. Its family tree reaches back 2 generations to 1995. 83 later devices descend from it.

Decided
Apr 30, 1999
Review
84 days
Class
Class II
Product code
IYN
Recalls
None
Predicates
1

Its longest line of descent runs back 2 generations to K944485 (1995). 83 later devices descend from it, 4 citing it directly.

Descendants, by year cleared 2001: 1 descendant cleared2002: 1 descendant cleared2013: 2 descendants cleared2005: 6 descendants cleared2006: 3 descendants cleared2004: 1 descendant cleared2003: 1 descendant cleared2008: 2 descendants cleared2010: 2 descendants cleared2016: 6 descendants cleared2014: 6 descendants cleared2007: 2 descendants cleared2011: 5 descendants cleared2009: 2 descendants cleared2012: 3 descendants cleared2018: 4 descendants cleared2020: 5 descendants cleared2017: 5 descendants cleared2019: 6 descendants cleared2025: 6 descendants cleared2023: 2 descendants cleared2026: 5 descendants cleared2021: 2 descendants cleared2022: 2 descendants cleared2024: 3 descendants clearedK944485 · 4000 AU Ultrasound Imaging System · Biosound, Inc. · 1995K980468 · AU5 Ultrasound Imaging System · Biosound Esaote, Inc. · 19981995200020052010201520202025
Descendants, by generation 1 generation forward: 4 descendants2 generations forward: 16 descendants3 generations forward: 19 descendants4 generations forward: 11 descendants5 generations forward: 5 descendants6 generations forward: 5 descendants7 generations forward: 5 descendants8 generations forward: 4 descendants9 generations forward: 5 descendants10 generations forward: 2 descendants11 generations forward: 2 descendants12 generations forward: 2 descendants13 generations forward: 1 descendant14 generations forward: 2 descendants K980468 · AU5 Ultrasound Imaging System · Biosound Esaote, Inc. · 1998K944485 · 4000 AU Ultrasound Imaging System · Biosound, Inc. · 19950+5+10
  1. Root · 2 generations backK944485 4000 AU Ultrasound Imaging SystemBiosound, Inc. · 1995
  2. 1 generation backK980468 AU5 Ultrasound Imaging SystemBiosound Esaote, Inc. · 1998
  3. This deviceK990360 AU6Biosound Esaote, Inc. · 1999
  4. Descendant · cites it directly · 71 of its ownK014168 AU6 (Technos/Technos MP) Ultrasound Imaging System (Addition of 3D…Biosound Esaote, Inc. · 2002
  5. Descendant · 2 generations on · 67 of its ownK040596 Ultrasound Imaging System, Model 7300Esaote, S.p.A. · 2004 · Recalled
  6. Descendant · 3 generations on · 66 of its ownK050326 7350 Ultrasound Imaging System, Model 7350Esaote, S.p.A. · 2005 · Recalled
  7. Descendant · 2 generations on · 66 of its ownK023255 Technos MP, Model AU6Biosound Esaote, Inc. · 2003
  8. Descendant · cites it directly · 64 of its ownK051837 Mylab 90 Ultrasound Imaging System, Model 6100Esaote, S.p.A. · 2005

Showing 5 of 83 descendants. See all descendants

Descendants cleared per year

2001: 12002: 12003: 12004: 12005: 62006: 32007: 22008: 22009: 22010: 22011: 52012: 32013: 22014: 62016: 62017: 52018: 42019: 62020: 52021: 22022: 22023: 22024: 32025: 62026: 5
2001high 6 (2005) · low 0 (2015)2026

Most influential descendants

Showing 5 of 83 · See all
  • K014168AU6 (Technos/Technos MP) Ultrasound Imaging System (Addition of 3D Imaging Mode and…Biosound Esaote, Inc. · 2002 · cites it directly71descendants
  • K040596Ultrasound Imaging System, Model 7300Esaote, S.p.A. · 2004 · 2 generations on67descendants
  • K0503267350 Ultrasound Imaging System, Model 7350Esaote, S.p.A. · 2005 · 3 generations on66descendants
  • K023255Technos MP, Model AU6Biosound Esaote, Inc. · 2003 · 2 generations on66descendants
  • K051837Mylab 90 Ultrasound Imaging System, Model 6100Esaote, S.p.A. · 2005 · cites it directly64descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K9444854000 AU Ultrasound Imaging SystemBiosound, Inc.1995—
−1K980468AU5 Ultrasound Imaging SystemBiosound Esaote, Inc.1998—
0 (this device)K990360AU6Biosound Esaote, Inc.1999—
+1K014168AU6 (Technos/Technos MP) Ultrasound Imaging System (Addition of 3D Imaging…Biosound Esaote, Inc.2002—
+2K040596Ultrasound Imaging System, Model 7300Esaote, S.p.A.20044
+3K0503267350 Ultrasound Imaging System, Model 7350Esaote, S.p.A.20051
+2K023255Technos MP, Model AU6Biosound Esaote, Inc.2003—
+1K051837Mylab 90 Ultrasound Imaging System, Model 6100Esaote, S.p.A.2005—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200110
200210
200310
200410
200560
200630
200720
200820
200920
201020
201150
201230
201320
201460
201660
201750
201840
201960
202050
202120
202220
202320
202430
202560
202650
FIG. 1 — Lineage of K990360, 1995–2026Source: 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 IYN? 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 IYN device

  1. #1 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) Report

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
*K980468AU5 Ultrasound Imaging System
Summary page 1
…nd Imaging System Classification Name(s): System, Imaging, Pulsed Doppler, Ultrasonic Classification Number: 90IYN; 90I' YO 807.92(a)(3) Predicate Device(s) Esaote AUS K980468 Additional Substantial Equivalence Information is provided in the following substantial Equivalence Comparison Table. Page 3 =…
Biosound Esaote, Inc.1998—

Also cleared against K980468: 4 other devices →

What descends from it? (83)

See all 83

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

NumberDeviceApplicantDecidedDescendants
K014168AU6 (Technos/Technos MP) Ultrasound Imaging System (Addition of 3D Imaging Mode and…Biosound Esaote, Inc.200271
K051837Mylab 90 Ultrasound Imaging System, Model 6100Esaote, S.p.A.200564
K132466Mylabseven 6400, Mylabalpha 7400Esaote, S.p.A.201322
K013142DiasusDynamic Imaging, Ltd.200110

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 4 years and passes through 2 companies; a new generation was cleared every 3.3 years on median.
  • None of the 2 ancestors has a recall.
  • Of its descendants, K014168 (Biosound Esaote, Inc., 2002) has gone furthest, with 71 descendants of its own.
  • 4 other devices also cite its predicate K980468.

How does its category compare?

All IYN devices

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

FDA decisions per year · IYN

57in 2025

2007: 132008: 252009: 182010: 292011: 392012: 432013: 512014: 562015: 542016: 602017: 642018: 592019: 472020: 572021: 462022: 532023: 442024: 502025: 572026 (partial year): 44
2007high 64 (2017) · low 13 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYN

124in 2025

2007: 26 days median2008: 18 days median2009: 29 days median2010: 67 days median2011: 46 days median2012: 37 days median2013: 60 days median2014: 39 days median2015: 55 days median2016: 56 days median2017: 83 days median2018: 85 days median2019: 79 days median2020: 72 days median2021: 105 days median2022: 105 days median2023: 115 days median2024: 119 days median2025: 124 days median2026 (partial year): 107 days median
2007high 124 (2025) · low 18 (2008)2026

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

Recalls per year · IYN

10in 2025

2007: 162008: 122009: 82010: 102011: 82012: 32013: 82014: 22015: 32016: 22018: 72020: 42021: 82022: 102023: 42024: 12025: 102026 (partial year): 2, 1 Class I
2007high 16 (2007) · low 0 (2017)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · IYN

610in 2025

2007: 32008: 22009: 92010: 172011: 182012: 202013: 182014: 482015: 1162016: 1452017: 1462018: 852019: 592020: 672021: 2132022: 1862023: 2292024: 2662025: 610
2007high 610 (2025) · low 2 (2008)2025

MAUDE reports naming product code IYN, 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
20071326163
20082518122
2009182989
201029671017
20113946818
20124337320
20135160818
20145639248
201554553116
201660562145
201764830146
20185985785
20194779059
20205772467
2021461058213
20225310510186
2023441154229
2024501191266
20255712410610
2026441072 (1)—

What is it indicated for?

The AU6 ultrasound imaging system is intended to be used by a physician for diagnostic imaging in cardiac, abdominal, peripheral vessel and fetal applications.

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K990360: AU6.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K990360

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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