510(k) Report

510(k) · Cleared

Cleared

Accuro

K171594510(k) TraditionalCleared Oct 20, 2017142-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

Rivanna Medical, LLC · IYO System, Imaging, Pulsed Echo, Ultrasonic

Cleared on Oct 20, 2017 as substantially equivalent to K132736 (Rivanna Medical, LLC, 2014) and 1 other predicate after a 142-day review. Its family tree reaches back 17 generations to 1995. 3 later devices descend from it.

Decided
Oct 20, 2017
Review
142 days
Class
Class II
Product code
IYO
Recalls
None
Predicates
2

Its longest line of descent runs back 17 generations to K935595 (1995). 157 ancestors in all, the oldest K850478 (1985). 3 later devices descend from it, 1 citing it directly.

Other ancestors, by year clearedDescendants, by year cleared 2014: 1 other ancestor2011: 1 other ancestor2007: 5 other ancestors2005: 12 other ancestors2009: 4 other ancestors2002: 10 other ancestors2001: 10 other ancestors2000: 9 other ancestors1998: 6 other ancestors2010: 1 other ancestor1999: 12 other ancestors1996: 5 other ancestors1995: 8 other ancestors1992: 3 other ancestors1997: 9 other ancestors1991: 1 other ancestor2008: 4 other ancestors2004: 11 other ancestors2003: 10 other ancestors1986: 1 other ancestor1985: 1 other ancestor2006: 6 other ancestors1994: 5 other ancestors1989: 3 other ancestors1993: 1 other ancestor1987: 1 other ancestor2025: 1 descendant cleared2026: 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. · 2007K083095 · Sonixtouch Ultrasound System · Ultrasonix Medical Corporation · 2008K092271 · GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4 · GE Healthcare · 2009 · recalledK110943 · Logiq E9 · GE Healthcare · 2011 · recalledK113690 · GE Logiq I, Logiq E and Vivid E · GE Healthcare · 2011 · recalledK140693 · Vscan with Dual Probe · Ge Medical Sysyems Ultrasound & Primary Care Diagn · 2014K161588 · Vscan Extend · GE Medical Systems Ultrasound & Primary Care Diagnostics, LLC · 2016 · recalled1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor2 generations back: 3 other ancestors3 generations back: 7 other ancestors4 generations back: 12 other ancestors5 generations back: 17 other ancestors6 generations back: 20 other ancestors7 generations back: 29 other ancestors8 generations back: 23 other ancestors9 generations back: 12 other ancestors10 generations back: 8 other ancestors11 generations back: 4 other ancestors12 generations back: 3 other ancestors13 generations back: 1 other ancestor 1 generation forward: 1 descendant2 generations forward: 2 descendants K161588 · Vscan Extend · GE Medical Systems Ultrasound & Primary Care Diagnostics, LLC · 2016 · recalledK140693 · Vscan with Dual Probe · Ge Medical Sysyems Ultrasound & Primary Care Diagn · 2014K113690 · GE Logiq I, Logiq E and Vivid E · GE Healthcare · 2011 · recalledK110943 · Logiq E9 · GE Healthcare · 2011 · recalledK092271 · GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4 · GE Healthcare · 2009 · recalledK083095 · Sonixtouch Ultrasound System · Ultrasonix Medical Corporation · 2008K072786 · 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 · 17 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 13 generations between
  3. 3 generations backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
  4. 2 generations backK140693 Vscan with Dual ProbeGe Medical Sysyems Ultrasound & Primary Care Diagn · 2014
  5. 1 generation backK161588 Vscan ExtendGE Medical Systems Ultrasound & Primary Care Diagnostics, LLC · 2016 · Recalled
  6. This deviceK171594 AccuroRivanna Medical, LLC · 2017
  7. Descendant · cites it directly · 2 of its ownK243937 Accuro 3SRivanna Medical, Inc. · 2025
  8. Descendant · 2 generations on · 0 of its ownK253452 Accuro 3SRivanna Medical, Inc. · 2026
  9. Descendant · 2 generations on · 0 of its ownK254021 Accuro XVRivanna Medical, Inc. · 2026
Show all 17 generations
  1. Root · 17 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 16 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 15 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 14 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 13 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 12 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. 11 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  8. 10 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  9. 9 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
  10. 8 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
  11. 7 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  12. 6 generations backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
  13. 5 generations backK092271 GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3…GE Healthcare · 2009 · Recalled
  14. 4 generations backK110943 Logiq E9GE Healthcare · 2011 · Recalled
  15. 3 generations backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
  16. 2 generations backK140693 Vscan with Dual ProbeGe Medical Sysyems Ultrasound & Primary Care Diagn · 2014
  17. 1 generation backK161588 Vscan ExtendGE Medical Systems Ultrasound & Primary Care Diagnostics, LLC · 2016 · Recalled
  18. This deviceK171594 AccuroRivanna Medical, LLC · 2017

Most influential descendants

Showing 3 of 3 · See all
  • K243937Accuro 3SRivanna Medical, Inc. · 2025 · cites it directly2descendants
  • K253452Accuro 3SRivanna Medical, Inc. · 2026 · 2 generations on0descendants
  • K254021Accuro XVRivanna Medical, Inc. · 2026 · 2 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−17K935595Acuson Model 3001Acuson Corp.1995—
−16K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−15K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−14K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−13K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−12K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
−11K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
−10K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051
−9K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006—
−8K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI20079
−7K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
−6K083095Sonixtouch Ultrasound SystemUltrasonix Medical Corporation2008—
−5K092271GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4GE Healthcare20091
−4K110943Logiq E9GE Healthcare20112
−3K113690GE Logiq I, Logiq E and Vivid EGE Healthcare20111
−2K140693Vscan with Dual ProbeGe Medical Sysyems Ultrasound & Primary Care Diagn2014—
−1K161588Vscan ExtendGE Medical Systems Ultrasound & Primary Care Diagnostics, LLC20168
0 (this device)K171594AccuroRivanna Medical, LLC2017—
+1K243937Accuro 3SRivanna Medical, Inc.2025—
+2K253452Accuro 3SRivanna Medical, Inc.2026—
+2K254021Accuro XVRivanna Medical, Inc.2026—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198510
198610
198710
198930
199110
199230
199310
199450
199580
199650
199790
199860
1999120
200090
2001100
2002100
2003100
2004110
2005120
200660
200750
200840
200940
201010
201110
201410

Descendants by year cleared

Year clearedDevicesWith a Class I recall
202510
202620
FIG. 1 — Lineage of K171594, 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 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
*K132736Accuro 3000 Ultrasound Scanner
Summary page 4
…ans-esoph. (Cardiac) Intra-cardiac Other (Specify) Peripheral Vessel Peripheral vessel P 2,3 Other (Specify) N = new indication; P = previously cleared by FDA in K132736 *Examples of other modes of operation may include: A-mode, Amplitude Doppler, 3-D Imaging, Harmonic Imaging, Tissue Motion Dopple…
Rivanna Medical, LLC2014—
*K161588Vscan Extend
Summary page 5
…Name: Premarket Notification: Manufacturer: Vscan Extend 1YO21 CFR892.1560 Ultrasonic Pulsed Echo Imaging System ITX21 CFR892.1570 Diagnostic Ultrasonic Transducer K161588, August 31" 2016 GE Medical Systems Ultrasound & Primary Care Diagnostics, LLC 62 KIVANNA Device Description T…
GE Medical Systems Ultrasound & Primary Care Diagnostics, LLC20168

Also cleared against K132736: 1 other device →

What descends from it? (3)

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

NumberDeviceApplicantDecidedDescendants
K243937Accuro 3SRivanna Medical, Inc.20252

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 22 years and passes through 8 companies; a new generation was cleared every 12 months on median.
  • 31 of the 157 ancestors have a recall of any class.
  • Of its descendants, K243937 (Rivanna Medical, Inc., 2025) has gone furthest, with 2 descendants of its own.
  • 1 other device also cites its predicate K132736.

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. 2017, 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?

The Accuro is intended for diagnostic ultrasound imaging of the human body in the following clinical applications:

Abdominal, Musculoskeletal (conventional and superficial), Cardiac, Peripheral Vascular, Small Organs (e.g. thyroid,

breast), and Pediatrics. A typical examination using the Accuro is guidance of neuraxial anesthesia.

Intended Use: Diagnostic ultrasound imaging or fluid flow analysis of the human body as follows:

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. “K171594: Accuro.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171594

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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