510(k) Report

510(k) · Cleared

Cleared

Interson USB Ultrasound System

K163443510(k) TraditionalCleared Apr 13, 2017126-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

Interson Corporation · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Apr 13, 2017 as substantially equivalent to K152899 (Philips Healthcare, Inc., 2015) and 1 other predicate after a 126-day review. Its family tree reaches back 18 generations to 1995. 6 of the 177 devices in its family, counting itself, have a Class I recall. 3 later devices descend from it.

Decided
Apr 13, 2017
Review
126 days
Class
Class II
Product code
IYN
Recalls
None
Predicates
2

Its longest line of descent runs back 18 generations to K935595 (1995). 173 ancestors in all, the oldest K850478 (1985). 3 later devices descend from it, 3 citing it directly. 6 of the 177 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2007: 3 other ancestors1999: 16 other ancestors2012: 2 other ancestors2011: 1 other ancestor1996: 7 other ancestors, 1 with a Class I recall11992: 2 other ancestors1991: 1 other ancestor2010: 1 other ancestor2009: 3 other ancestors2005: 9 other ancestors2004: 11 other ancestors, 1 with a Class I recall12003: 9 other ancestors2006: 2 other ancestors2002: 17 other ancestors2000: 14 other ancestors, 1 with a Class I recall11997: 9 other ancestors2001: 13 other ancestors1998: 13 other ancestors, 3 with a Class I recall31995: 7 other ancestors1994: 6 other ancestors1993: 2 other ancestors1988: 1 other ancestor1986: 1 other ancestor1985: 1 other ancestor1989: 3 other ancestors1987: 1 other ancestor2019: 1 descendant cleared2023: 1 descendant cleared2020: 1 descendant clearedK935595 · 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. · 2007K091970 · Aixplorer Ultrasound System · Supersonic Imagine · 2009K102041 · Aixplorer · Supersonic Imagine · 2010K112255 · Aixplorer · Supersonic Imagine · 2012×3: 3 generations cleared close together, K130499 (2013), K132304 (2013), K133833 (2014) K152899 · Philips Lumify Diagnostic Ultrasound System · Philips Healthcare, Inc. · 2015 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor3 generations back: 5 other ancestors4 generations back: 7 other ancestors5 generations back: 14 other ancestors6 generations back: 53 other ancestors, 6 with a Class I recall67 generations back: 27 other ancestors8 generations back: 24 other ancestors9 generations back: 11 other ancestors10 generations back: 8 other ancestors11 generations back: 4 other ancestors 1 generation forward: 3 descendants K152899 · Philips Lumify Diagnostic Ultrasound System · Philips Healthcare, Inc. · 2015 · recalledK133833 · Nuvis Diagnostic Ultrasound System · Philips Ultrasound, Inc. · 2014 · recalledK132304 · Epiq Diagnostic Ultrasound System · Philips Ultrasound, Inc. · 2013 · recalledK130499 · IU22 Diagnostic Ultrasound System · Philips Ultrasound, Inc. · 2013 · recalledK112255 · Aixplorer · Supersonic Imagine · 2012K102041 · Aixplorer · Supersonic Imagine · 2010K091970 · Aixplorer Ultrasound System · Supersonic Imagine · 2009K072786 · 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 · 18 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 14 generations between
  3. 3 generations backK132304 Epiq Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2013 · Recalled
  4. 2 generations backK133833 Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2014 · Recalled
  5. 1 generation backK152899 Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc. · 2015 · Recalled
  6. This deviceK163443 Interson USB Ultrasound SystemInterson Corporation · 2017
  7. Descendant · cites it directly · 0 of its ownK233734 Interson USB Ultrasound SystemInterson Corporation · 2023
  8. Descendant · cites it directly · 0 of its ownK192170 VistaScan USB Ultrasound Imaging SystemEmagine Solutions Technology, LLC · 2020
  9. Descendant · cites it directly · 0 of its ownK192573 Dolphin Medical Imaging USB Ultrasound SystemDolphin Medical Imaging, LLC · 2019
Show all 18 generations
  1. Root · 18 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 17 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 16 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 15 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 14 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 13 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. 12 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  8. 11 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  9. 10 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
  10. 9 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
  11. 8 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  12. 7 generations backK091970 Aixplorer Ultrasound SystemSupersonic Imagine · 2009
  13. 6 generations backK102041 AixplorerSupersonic Imagine · 2010
  14. 5 generations backK112255 AixplorerSupersonic Imagine · 2012
  15. 4 generations backK130499 IU22 Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2013 · Recalled
  16. 3 generations backK132304 Epiq Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2013 · Recalled
  17. 2 generations backK133833 Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc. · 2014 · Recalled
  18. 1 generation backK152899 Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc. · 2015 · Recalled
  19. This deviceK163443 Interson USB Ultrasound SystemInterson Corporation · 2017

Class I recalls in this family

Most influential descendants

Showing 3 of 3 · See all
  • K233734Interson USB Ultrasound SystemInterson Corporation · 2023 · cites it directly0descendants
  • K192170VistaScan USB Ultrasound Imaging SystemEmagine Solutions Technology, LLC · 2020 · cites it directly0descendants
  • K192573Dolphin Medical Imaging USB Ultrasound SystemDolphin Medical Imaging, LLC · 2019 · cites it directly0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−18K935595Acuson Model 3001Acuson Corp.1995—
−17K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−16K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−15K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−14K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−13K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
−12K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
−11K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051
−10K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006—
−9K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI20079
−8K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
−7K091970Aixplorer Ultrasound SystemSupersonic Imagine2009—
−6K102041AixplorerSupersonic Imagine2010—
−5K112255AixplorerSupersonic Imagine2012—
−4K130499IU22 Diagnostic Ultrasound SystemPhilips Ultrasound, Inc.20132
−3K132304Epiq Diagnostic Ultrasound SystemPhilips Ultrasound, Inc.201336
−2K133833Nuvis Diagnostic Ultrasound SystemPhilips Ultrasound, Inc.20143
−1K152899Philips Lumify Diagnostic Ultrasound SystemPhilips Healthcare, Inc.20154
0 (this device)K163443Interson USB Ultrasound SystemInterson Corporation2017—
+1K233734Interson USB Ultrasound SystemInterson Corporation2023—
+1K192170VistaScan USB Ultrasound Imaging SystemEmagine Solutions Technology, LLC2020—
+1K192573Dolphin Medical Imaging USB Ultrasound SystemDolphin Medical Imaging, LLC2019—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
198610
198710
198810
198930
199110
199220
199320
199460
199570
199671
199790
1998133
1999160
2000141
2001130
2002170
200390
2004111
200590
200620
200730
200930
201010
201110
201220

Descendants by year cleared

Year clearedDevicesWith a Class I recall
201910
202010
202310
FIG. 1 — Lineage of K163443, 1995–2023Source: 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.

6 devices in this family have 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 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? (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
*K152899Philips Lumify Diagnostic Ultrasound System
Summary page 8
…Diagnostic ultrasonic transducer ITX Track Track 3 Predicate Device – 21 CFR 807.92 (a)(3) Philips Lumify Diagnostic Ultrasound System K152899 10/30/2015 Interson USB Ultrasound Probe System K070907 4/17/2007 Device Description –…
Philips Healthcare, Inc.20154
*K070907Interson Usb Ultrasound Probe System
Summary page 8
…cate Device – 21 CFR 807.92 (a)(3) Philips Lumify Diagnostic Ultrasound System K152899 10/30/2015 Interson USB Ultrasound Probe System K070907 4/17/2007 Device Description – 21 CFR 807.92 (a)(4): The Interson USB Ultrasound Imaging System is a self-contain…
Regulatory Management Services2007—

Also cleared against K152899: 4 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K233734Interson USB Ultrasound SystemInterson Corporation20230
K192170VistaScan USB Ultrasound Imaging SystemEmagine Solutions Technology, LLC20200
K192573Dolphin Medical Imaging USB Ultrasound SystemDolphin Medical Imaging, LLC20190

Has anything in its family been recalled? (6 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.

  • K040050Instatrak System with Multiple Dataset Navigation, Model IT3500Ge Medical Systems Navigation and Visualization IN · 2004 · 6 generations back · ◆ in the 2004 ancestors bar of FIG. 11 Class I recall
  • K994270Instatrak 3000 System with Fluorotrak Module, Model IT3000Visualization Technology, Inc. · 2000 · 6 generations back · ◆ in the 2000 ancestors bar of FIG. 12 Class I recalls
  • K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 6 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K982994Skull Base Instatrak SystemVisualization Technology, Inc. · 1998 · 6 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 6 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
  • K960330InstatrakVisualization Technology, Inc. · 1996 · 6 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 22 years and passes through 7 companies; a new generation was cleared every 11 months on median.
  • 44 of the 173 ancestors have a recall of any class; 6 have a Class I recall.
  • Of its descendants, K233734 (Interson Corporation, 2023) has gone furthest, with 0 descendants of its own.
  • 4 other devices also cite its predicate K152899.

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. 2017, 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 Interson USB Ultrasound System is intended for diagnostic ultrasound imaging in B, color Doppler, or Combined (B + Color) modes. It is indicated for diagnostic ultrasound imaging and fluid flow analysis in the following applications:

Fetal/Obstetric

Abdominal

Pediatric

Small Organ

Musculo-skeletal (conventional)

Musculo-skeletal (superficial)

Urology

Gynecology

Pelvic Floor

Neuro-muscular

Peripheral Vessel

The system is intended for use by healthcare professionals.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K163443: Interson USB Ultrasound System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K163443

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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