510(k) Report

510(k) · Cleared

Recalled · Class II · 2021

Arietta 65

K181376510(k) TraditionalCleared Jul 18, 201855-day reviewClass II21 CFR 892.1550Recalls 1

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

Hitachi Healthcare Americas Corporation · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Jul 18, 2018 as substantially equivalent to K173739 (Hitachi Healthcare Americas Corporation, 2018) after a 55-day review. Its family tree reaches back 16 generations to 1995. 3 later devices descend from it. It has been recalled once.

Decided
Jul 18, 2018
Review
55 days
Class
Class II
Product code
IYN
Recalls
1
Predicates
1

Its longest line of descent runs back 16 generations to K935595 (1995). 82 ancestors in all, the oldest K891689 (1989). 3 later devices descend from it, 2 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2013: 1 other ancestor2011: 1 other ancestor2003: 7 other ancestors2008: 1 other ancestor2006: 2 other ancestors2004: 10 other ancestors2001: 6 other ancestors2000: 6 other ancestors1999: 6 other ancestors1997: 4 other ancestors2007: 1 other ancestor1996: 1 other ancestor2005: 5 other ancestors2002: 4 other ancestors1995: 4 other ancestors1998: 1 other ancestor1994: 4 other ancestors1992: 1 other ancestor1989: 1 other ancestor2020: 1 descendant cleared2019: 1 descendant cleared2022: 1 descendant clearedReference device: K160559 · NOBLUS™ Ultrasound Diagnostic System · Hitachi Medical Corporation · 2016 · recalledReference device: K140443 · Arietta 60/ARIETTAS60/ARIETTAV60 · Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014Reference device: K134016 · Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound Scanner · Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · recalledK935595 · Acuson Model 3001 · Acuson Corp. · 1995K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2003×3: 3 generations cleared close together, K041319 (2004), K042770 (2004), K050240 (2005) K052894 · Sonoline G60 S Ultrasound System · Siemens Medical Solutions USA, Inc. · 2005 · recalled×2: 2 generations cleared close together, K063138 (2006), K063803 (2007) K072786 · Acuson S2000 Ultrasound System · Siemens Medical Solutions USA, Inc. · 2007K093466 · HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision Preirus · Hitachi Medical Systems America, Inc. · 2010 · recalledK110673 · HI Vision Ascendus Diagnostic Ultrasound Scanner · Hitachi Medical Systems America, Inc. · 2011K134016 · Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound Scanner · Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · recalled×2: 2 generations cleared close together, K171708 (2017), K173739 (2018) 1990200020102020
Other ancestors, by generationDescendants, by generation 4 generations back: 1 other ancestor5 generations back: 3 other ancestors6 generations back: 8 other ancestors7 generations back: 4 other ancestors8 generations back: 8 other ancestors9 generations back: 6 other ancestors10 generations back: 8 other ancestors11 generations back: 9 other ancestors12 generations back: 9 other ancestors13 generations back: 10 other ancestors 1 generation forward: 2 descendants2 generations forward: 1 descendant K173739 · Aloka Arietta 850 · Hitachi Healthcare Americas Corporation · 2018 · recalledK171708 · Aloka Arietta 850 · Hitachi Healthcare Americas Corporation · 2017 · recalledK134016 · Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound Scanner · Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · recalledK110673 · HI Vision Ascendus Diagnostic Ultrasound Scanner · Hitachi Medical Systems America, Inc. · 2011K093466 · HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision Preirus · Hitachi Medical Systems America, Inc. · 2010 · recalledK072786 · Acuson S2000 Ultrasound System · Siemens Medical Solutions USA, Inc. · 2007K063803 · Acuson Antares Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · recalledK063138 · Modification to Acuson Antares Ultrasound System · Siemens Medical Solutions USA, Inc. · 2006K052894 · Sonoline G60 S Ultrasound System · Siemens Medical Solutions USA, Inc. · 2005 · recalledK050240 · Modification to Acuson CV70 Cardiovascular System · Siemens Medical Solutions USA, Inc. · 2005 · recalledK042770 · Modification to Acuson CV70 Cardiovascular System · Siemens Medical Solutions USA, Inc. · 2004 · recalledK041319 · Sequoia Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2004K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2003K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K935595 · Acuson Model 3001 · Acuson Corp. · 1995−15−10−50
  1. Root · 16 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 12 generations between
  3. 3 generations backK134016 Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · Recalled
  4. 2 generations backK171708 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2017 · Recalled
  5. 1 generation backK173739 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2018 · Recalled
  6. This deviceK181376 Arietta 65Hitachi Healthcare Americas Corporation · 2018
  7. Descendant · cites it directly · 1 of its ownK190248 Arietta 50Hitachi Healthcare Americas · 2019
  8. Descendant · 2 generations on · 0 of its ownK220295 Arietta 50Fujifilm Healthcare Corporation · 2022
  9. Descendant · cites it directly · 0 of its ownK202422 Arietta 65Hitachi Healthcare Americas · 2020
Show all 16 generations
  1. Root · 16 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 15 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 14 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 13 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 12 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 11 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. 10 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  8. 9 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  9. 8 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
  10. 7 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
  11. 6 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  12. 5 generations backK093466 HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision…Hitachi Medical Systems America, Inc. · 2010 · Recalled
  13. 4 generations backK110673 HI Vision Ascendus Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc. · 2011
  14. 3 generations backK134016 Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical · 2014 · Recalled
  15. 2 generations backK171708 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2017 · Recalled
  16. 1 generation backK173739 Aloka Arietta 850Hitachi Healthcare Americas Corporation · 2018 · Recalled
  17. This deviceK181376 Arietta 65Hitachi Healthcare Americas Corporation · 2018

Most influential descendants

Showing 3 of 3 · See all
  • K190248Arietta 50Hitachi Healthcare Americas · 2019 · cites it directly1descendant
  • K220295Arietta 50Fujifilm Healthcare Corporation · 2022 · 2 generations on0descendants
  • K202422Arietta 65Hitachi Healthcare Americas · 2020 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−16K935595Acuson Model 3001Acuson Corp.1995—
−15K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−14K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−13K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−12K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−11K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
−10K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
−9K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051
−8K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006—
−7K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI20079
−6K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
−5K093466HI Vision Preirus Doagnostic Ultrasound Scanner Model HI Vision PreirusHitachi Medical Systems America, Inc.20101
−4K110673HI Vision Ascendus Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc.2011—
−3K134016Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical20142
−2K171708Aloka Arietta 850Hitachi Healthcare Americas Corporation20171
−1K173739Aloka Arietta 850Hitachi Healthcare Americas Corporation20182
0 (this device)K181376Arietta 65Hitachi Healthcare Americas Corporation2018—
+1K190248Arietta 50Hitachi Healthcare Americas2019—
+2K220295Arietta 50Fujifilm Healthcare Corporation2022—
+1K202422Arietta 65Hitachi Healthcare Americas2020—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199210
199440
199540
199610
199740
199810
199960
200060
200160
200240
200370
2004100
200550
200620
200710
200810
201110
201310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202010
202210
FIG. 1 — Lineage of K181376, 1995–2022Source: 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
*K173739Aloka Arietta 850
Summary page 4
…P P P P P P P Vessel Other (spec.) N = new indication; P = previously cleared in K173739, K160559 *Combination of each operating mode, B, M, PWD, CWD and Color Doppler. B/B, B/M, B/PW, CFM-B/CFM-B, CFM-B/CFM-M, CFM-…
Hitachi Healthcare Americas Corporation20182
†K160559NOBLUS™ Ultrasound Diagnostic SystemHitachi Medical Corporation20161
†K140443Arietta 60/ARIETTAS60/ARIETTAV60Hitachi Aloka Medical,Ltd. (Hitachi Aloka Medical2014—
†K134016Arietta 70/Arietta S70/Arietta V70 Diagnostic Ultrasound ScannerHitachi Aloka Medical,Ltd. (Hitachi Aloka Medical20142

Also cleared against K173739: 1 other device →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K190248Arietta 50Hitachi Healthcare Americas20191
K202422Arietta 65Hitachi Healthcare Americas20200

Has anything in its family been recalled? (0 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Oct 14, 2021Class IIZ-0192-2022Software designWhen the ultrasound system is used in combination with a Fujifilm (formally Hitachi) transducer, there is an error in the calculation formula of Effective Regurgitant Orifice Area (EROA) when you perform MR Flow combined with Left…

No ancestor or descendant has a Class I recall.

What does this lineage say?

  • The line of descent spans 23 years and passes through 6 companies; a new generation was cleared every 11 months on median.
  • 21 of the 82 ancestors have a recall of any class.
  • Of its descendants, K190248 (Hitachi Healthcare Americas, 2019) has gone furthest, with 1 descendant of its own.
  • 1 other device also cites its predicate K173739.

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. 2018, this device’s year, is highlighted.

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 ARIETTA 65 is intended for use by trained personnel (doctor, Sonographer, etc.) for the diagnostic ultrasound evaluation of Fetal, Abdominal, Intra-operative (Spec.), Pediatric, Small Organ (Spec.), Neonatal Cephalic, Adult Cephalic, Trans-rectal, Trans-vaginal, Trans-esoph. (non-Card.), Musculo-skel. (Convent.), Musculo-skel. (Superfic.), Wound (Cavernous/Non-Cavernous), Gynecology, Cardiac Adult, Cardiac Pediatric, Trans-esophageal (card.)…

Read the full statement (86 words)

The ARIETTA 65 is intended for use by trained personnel (doctor, Sonographer, etc.) for the diagnostic ultrasound evaluation of Fetal, Abdominal, Intra-operative (Spec.), Pediatric, Small Organ (Spec.), Neonatal Cephalic, Adult Cephalic, Trans-rectal, Trans-vaginal, Trans-esoph. (non-Card.), Musculo-skel. (Convent.), Musculo-skel. (Superfic.), Wound (Cavernous/Non-Cavernous), Gynecology, Cardiac Adult, Cardiac Pediatric, Trans-esophageal (card.), Peripheral vessel clinical applications.

The Modes of Operation are B mode, M mode, PW mode (Pulsed Wave Doppler), CW mode (Continuous Wave Doppler), Color Doppler, Power Doppler (Color Flow Angiography), TDI (Tissue Doppler Imaging), 3D Imaging, 4D Imaging.

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. “K181376: Arietta 65.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K181376

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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