510(k) Report

510(k) · Cleared

Cleared

HI Vision Ascendus, HV Ascendus, Ascendus

K153421510(k) TraditionalCleared Jan 21, 201657-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

Hitachi Aloka Medical America, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Jan 21, 2016 as substantially equivalent to K110673 (Hitachi Medical Systems America, Inc., 2011) and 2 other predicates after a 57-day review. Its family tree reaches back 16 generations to 1995.

Decided
Jan 21, 2016
Review
57 days
Class
Class II
Product code
IYN
Recalls
None
Predicates
3

Its longest line of descent runs back 16 generations to K935595 (1995). 94 ancestors in all, the oldest K891689 (1989). No later device cites it as a predicate yet.

Other ancestors, by year cleared 2011: 1 other ancestor2013: 1 other ancestor2012: 2 other ancestors2010: 5 other ancestors2002: 8 other ancestors2009: 2 other ancestors2008: 1 other ancestor2007: 2 other ancestors2006: 2 other ancestors2005: 5 other ancestors2004: 11 other ancestors2003: 6 other ancestors2001: 4 other ancestors2000: 6 other ancestors1999: 7 other ancestors1997: 4 other ancestors1995: 4 other ancestors1998: 1 other ancestor1994: 4 other ancestors1992: 1 other ancestor1989: 1 other ancestorK935595 · 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. · 2003K041319 · Sequoia Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2004×2: 2 generations cleared close together, 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. · 2007K081148 · Siemens Acuson 2000 Ultrasound System with Abvs Transducer · Siemens Medical Solutions USA, Inc., Ultrasound DI · 2008 · recalledK111674 · Acuson · Siemens Medical Solutions USA, Inc. · 2011 · recalledK121138 · Acuson S3000 Diagnostic Ultrasound System · Siemens Medical Solution · 2012K130881 · Acuson S2000 and S3000 · Siemens Medical Solutions USA, Inc. · 2013K142368 · Noblus Diagnostic Ultrasound Scanner · Hitachi Aloka Medical, Ltd. · 2015 · recalled1985199019952000200520102015
Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 5 other ancestors3 generations back: 10 other ancestors4 generations back: 9 other ancestors5 generations back: 17 other ancestors6 generations back: 9 other ancestors7 generations back: 9 other ancestors8 generations back: 9 other ancestors9 generations back: 9 other ancestors K142368 · Noblus Diagnostic Ultrasound Scanner · Hitachi Aloka Medical, Ltd. · 2015 · recalledK130881 · Acuson S2000 and S3000 · Siemens Medical Solutions USA, Inc. · 2013K121138 · Acuson S3000 Diagnostic Ultrasound System · Siemens Medical Solution · 2012K111674 · Acuson · Siemens Medical Solutions USA, Inc. · 2011 · recalledK081148 · Siemens Acuson 2000 Ultrasound System with Abvs Transducer · Siemens Medical Solutions USA, Inc., Ultrasound DI · 2008 · 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 backK121138 Acuson S3000 Diagnostic Ultrasound SystemSiemens Medical Solution · 2012
  4. 2 generations backK130881 Acuson S2000 and S3000Siemens Medical Solutions USA, Inc. · 2013
  5. 1 generation backK142368 Noblus Diagnostic Ultrasound ScannerHitachi Aloka Medical, Ltd. · 2015 · Recalled
  6. This deviceK153421 HI Vision Ascendus, HV Ascendus, AscendusHitachi Aloka Medical America, Inc. · 2016
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 backK081148 Siemens Acuson 2000 Ultrasound System with Abvs TransducerSiemens Medical Solutions USA, Inc., Ultrasound DI · 2008 · Recalled
  13. 4 generations backK111674 AcusonSiemens Medical Solutions USA, Inc. · 2011 · Recalled
  14. 3 generations backK121138 Acuson S3000 Diagnostic Ultrasound SystemSiemens Medical Solution · 2012
  15. 2 generations backK130881 Acuson S2000 and S3000Siemens Medical Solutions USA, Inc. · 2013
  16. 1 generation backK142368 Noblus Diagnostic Ultrasound ScannerHitachi Aloka Medical, Ltd. · 2015 · Recalled
  17. This deviceK153421 HI Vision Ascendus, HV Ascendus, AscendusHitachi Aloka Medical America, Inc. · 2016
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—
−5K081148Siemens Acuson 2000 Ultrasound System with Abvs TransducerSiemens Medical Solutions USA, Inc., Ultrasound DI20083
−4K111674AcusonSiemens Medical Solutions USA, Inc.20113
−3K121138Acuson S3000 Diagnostic Ultrasound SystemSiemens Medical Solution2012—
−2K130881Acuson S2000 and S3000Siemens Medical Solutions USA, Inc.2013—
−1K142368Noblus Diagnostic Ultrasound ScannerHitachi Aloka Medical, Ltd.20151
0 (this device)K153421HI Vision Ascendus, HV Ascendus, AscendusHitachi Aloka Medical America, Inc.2016—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199210
199440
199540
199740
199810
199970
200060
200140
200280
200360
2004110
200550
200620
200720
200810
200920
201050
201110
201220
201310
FIG. 1 — Lineage of K153421, 1995–2016Source: 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? (3)

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
*K110673HI Vision Ascendus Diagnostic Ultrasound Scanner
Summary page 4
…P P P P P P Other (Spec.) N= new indication P= previously cleared in K110673 *Combination of each operating mode, B, M, PWD, and Color Doppler, B/B, B/M, B/PW, PW/PW, B/CW, CFM-B/CW, CFM-B/CFM-B, CFM- B/C…
Hitachi Medical Systems America, Inc.2011—
*K142368Noblus Diagnostic Ultrasound Scanner
Summary page 47
…90-ITX 892.1570 Diagnostic Ultrasound Transducer 3. Legally Marketed Predicate Device(s): HI VISION Ascendus (K110673) Noblus (K142368) Siemens Acuson S2000/S3000 (K130881) 4. Device Description: An ultrasound diagnostic system with the following…
Hitachi Aloka Medical, Ltd.20151
*K130881Acuson S2000 and S3000
Summary page 47
…nostic Ultrasound Transducer 3. Legally Marketed Predicate Device(s): HI VISION Ascendus (K110673) Noblus (K142368) Siemens Acuson S2000/S3000 (K130881) 4. Device Description: An ultrasound diagnostic system with the following features: o Ultrasound transduce…
Siemens Medical Solutions USA, Inc.2013—

Also cleared against K110673: 2 other devices →

What descends from it?

No later submission names this one as a predicate yet.

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 21 years and passes through 6 companies; a new generation was cleared every 12 months on median.
  • 26 of the 94 ancestors have a recall of any class.
  • 2 other devices also cite its predicate K110673.

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. 2016, 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?

HI VISION Ascendus is intended for use by trained personnel (doctor, sonographer, etc.) for the diagnostic ultrasound evaluation of Abdominal, Cardiac, Intra-operative, Trans-esophageal (Cardiac, Non-Cardiac) - Adult/Pediatric, Fetal, Pediatric, Small Organ, Peripheral vessel, Biopsy, Trans-rectal, Trans-vaginal, Musculoskeletal (Convent. / Superfic.), Neonatal Cephalic, Adult Cephalic, Endoscopy, Intra-luminal, Gynecology, Urology and Laparoscopic…

Read the full statement (107 words)

HI VISION Ascendus is intended for use by trained personnel (doctor, sonographer, etc.) for the diagnostic ultrasound

evaluation of Abdominal, Cardiac, Intra-operative, Trans-esophageal (Cardiac, Non-Cardiac) - Adult/Pediatric, Fetal,

Pediatric, Small Organ, Peripheral vessel, Biopsy, Trans-rectal, Trans-vaginal, Musculoskeletal (Convent. / Superfic.),

Neonatal Cephalic, Adult Cephalic, Endoscopy, Intra-luminal, Gynecology, Urology and Laparoscopic clinical

applications.

The modes of operation of the HI VISION Ascendus are B mode, M mode, PW mode (Pulsed Wave Doppler), CW mode

(Continuous Wave Doppler), Dual Doppler mode, CFI mode (Color Flow Image), Amplitude Dopper (Color Flow

Angiography), TDI (Tissue Doppler Imaging), 3D Imaging, 4D Imaging, Real-time Virtual Sonography, Real-time Tissue Elastography and Shear Wave Measurement.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K153421: HI Vision Ascendus, HV Ascendus, Ascendus.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K153421

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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