510(k) Report

510(k) · Cleared

Cleared

Shear Wave Quantificational Ultrasound Diagnostic System

K173595510(k) TraditionalCleared Jun 22, 2018213-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

Wuxi Hisky Medical Technologies Co., Ltd. · IYO System, Imaging, Pulsed Echo, Ultrasonic

Cleared on Jun 22, 2018 as substantially equivalent to K123806 (Echosens, 2013) and 1 other predicate after a 213-day review. Its family tree reaches back 15 generations to 1995. 3 later devices descend from it.

Decided
Jun 22, 2018
Review
213 days
Class
Class II
Product code
IYO
Recalls
None
Predicates
2

Its longest line of descent runs back 15 generations to K935595 (1995). 107 ancestors in all, the oldest K852159 (1985). 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2007: 1 other ancestor2006: 5 other ancestors2004: 12 other ancestors2001: 8 other ancestors1999: 10 other ancestors2005: 7 other ancestors2003: 8 other ancestors2002: 7 other ancestors2000: 7 other ancestors1998: 2 other ancestors1997: 6 other ancestors2010: 1 other ancestor1996: 2 other ancestors1995: 5 other ancestors1994: 7 other ancestors1992: 2 other ancestors1985: 1 other ancestor1989: 1 other ancestor2020: 1 descendant cleared2025: 2 descendants 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 · 2012K123806 · Fibroscan · Echosens · 20131990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 7 other ancestors3 generations back: 17 other ancestors4 generations back: 16 other ancestors5 generations back: 19 other ancestors6 generations back: 10 other ancestors7 generations back: 14 other ancestors8 generations back: 2 other ancestors9 generations back: 1 other ancestor10 generations back: 2 other ancestors11 generations back: 3 other ancestors 1 generation forward: 1 descendant2 generations forward: 2 descendants K123806 · Fibroscan · Echosens · 2013K112255 · 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 · 15 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 11 generations between
  3. 3 generations backK102041 AixplorerSupersonic Imagine · 2010
  4. 2 generations backK112255 AixplorerSupersonic Imagine · 2012
  5. 1 generation backK123806 FibroscanEchosens · 2013
  6. This deviceK173595 Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd. · 2018
  7. Descendant · cites it directly · 2 of its ownK200136 Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd. · 2020
  8. Descendant · 2 generations on · 0 of its ownK250026 Shear Wave Quantificational Ultrasound Diagnostic System…Wuxi Hisky Medical Technologies Co., Ltd. · 2025
  9. Descendant · 2 generations on · 0 of its ownK243880 Shear Wave Quantificational Ultrasound Diagnostic System (Mini900…Wuxi Hisky Medical Technologies Co., Ltd. · 2025
Show all 15 generations
  1. Root · 15 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 14 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 13 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 12 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 11 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 10 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. 9 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  8. 8 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  9. 7 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
  10. 6 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
  11. 5 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  12. 4 generations backK091970 Aixplorer Ultrasound SystemSupersonic Imagine · 2009
  13. 3 generations backK102041 AixplorerSupersonic Imagine · 2010
  14. 2 generations backK112255 AixplorerSupersonic Imagine · 2012
  15. 1 generation backK123806 FibroscanEchosens · 2013
  16. This deviceK173595 Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd. · 2018

Most influential descendants

Showing 3 of 3 · See all
  • K200136Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd. · 2020 · cites it directly2descendants
  • K250026Shear Wave Quantificational Ultrasound Diagnostic System…Wuxi Hisky Medical Technologies Co., Ltd. · 2025 · 2 generations on0descendants
  • K243880Shear Wave Quantificational Ultrasound Diagnostic System (Mini900, Mini990, Mini800…Wuxi Hisky Medical Technologies Co., Ltd. · 2025 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−15K935595Acuson Model 3001Acuson Corp.1995—
−14K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−13K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−12K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−11K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−10K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
−9K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
−8K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051
−7K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006—
−6K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI20079
−5K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
−4K091970Aixplorer Ultrasound SystemSupersonic Imagine2009—
−3K102041AixplorerSupersonic Imagine2010—
−2K112255AixplorerSupersonic Imagine2012—
−1K123806FibroscanEchosens2013—
0 (this device)K173595Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd.2018—
+1K200136Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd.2020—
+2K250026Shear Wave Quantificational Ultrasound Diagnostic System…Wuxi Hisky Medical Technologies Co., Ltd.2025—
+2K243880Shear Wave Quantificational Ultrasound Diagnostic System (Mini900, Mini990…Wuxi Hisky Medical Technologies Co., Ltd.2025—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
198910
199220
199470
199550
199620
199760
199820
1999100
200070
200180
200270
200380
2004120
200570
200650
200710
201010

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202010
202520
FIG. 1 — Lineage of K173595, 1995–2025Source: 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 IYO? 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
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
*K123806Fibroscan
Summary page 9
…Power Synthesis Conversion 5. Identification of Predicate Device(s) Predicate Device 1 : 510(k) Number: K123806 Product Name: FibroScan○ R Manufacturer: Echosens Predicate Device 2 :…
Echosens2013—
*K072164DC-6 Diagnostic Ultrasound System
Summary page 9
…510(k) Number: K123806 Product Name: FibroScan○ R Manufacturer: Echosens Predicate Device 2 : 510(k) Number: K072164 Product Name: Diagnostic Ultrasound System Model Name: DC-6 Manufacturer: Shenzhen Mindray Bio-Medical Electr…
Shenzhen Mindray Bio-Medical Electronics Co., Ltd.2007—

Also cleared against K123806: 2 other devices →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K200136Shear Wave Quantificational Ultrasound Diagnostic SystemWuxi Hisky Medical Technologies Co., Ltd.20202

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 23 years and passes through 6 companies; a new generation was cleared every 11 months on median.
  • 24 of the 107 ancestors have a recall of any class.
  • Of its descendants, K200136 (Wuxi Hisky Medical Technologies Co., Ltd., 2020) has gone furthest, with 2 descendants of its own.
  • 2 other devices also cite its predicate K123806.

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

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—

What is it indicated for?

Shear Wave Quantificational Ultrasound Diagnostic System, Model FT9000, is intended to measure the speed of 50Hz shear wave with 2.5MHz ultrasound wave in the liver. The shear wave speed may be used as an aid to clinical management of patients with liver disease.

Shear Wave Quantificational Ultrasound Diagnostic System, Model FT9000, is intended for general purpose pulse echo ultrasound imaging and Doppler flow analysis of the human body. It can be used in the following applications: Abdominal.

Details please refer to the attached pages.

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K173595: Shear Wave Quantificational Ultrasound Diagnostic System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K173595

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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