510(k) · Cleared
ClearedLinkQuest Diagnostic Ultrasound System model SQ860
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Linkquest, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Oct 5, 2017 as substantially equivalent to K083095 (Ultrasonix Medical Corporation, 2008) and 1 other predicate after a 90-day review. Its family tree reaches back 12 generations to 1995.
- Decided
- Oct 5, 2017
- Review
- 90 days
- Class
- Class II
- Product code
- IYN
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 12 generations to K935595 (1995). 102 ancestors in all, the oldest K891689 (1989). No later device cites it as a predicate yet.
- Root · 12 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 8 generations between
- 3 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 2 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 1 generation backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
- This deviceK172059 LinkQuest Diagnostic Ultrasound System model SQ860Linkquest, Inc. · 2017
Show all 12 generations
- Root · 12 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 11 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 10 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 9 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 8 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 7 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 6 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 5 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 4 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 3 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 2 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 1 generation backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
- This deviceK172059 LinkQuest Diagnostic Ultrasound System model SQ860Linkquest, Inc. · 2017
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −12 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −11 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −10 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −9 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −8 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −7 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −6 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −5 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −4 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −3 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −2 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −1 | K083095 | Sonixtouch Ultrasound System | Ultrasonix Medical Corporation | 2008 | — |
| 0 (this device) | K172059 | LinkQuest Diagnostic Ultrasound System model SQ860 | Linkquest, Inc. | 2017 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 0 |
| 2003 | 10 | 0 |
| 2004 | 11 | 0 |
| 2005 | 8 | 0 |
| 2006 | 6 | 0 |
| 2007 | 1 | 0 |
| 2008 | 4 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 0 |
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 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the 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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K083095 | Sonixtouch Ultrasound SystemSummary page 10…r array, convex array, Intracavity array, phased array and 4D array with a frequency range of approximately 2 MHz to 10.0 MHz. Predicate Devices: Ultrasonics Touch k083095 Manufactured by: Ultrasonix Medical Corporation 130-4311 Viking Way… | 2008 |
| * | K130173 | Sonosite Maxx Series Ultrasound SystemSummary page 11…Canada V6V 2K9 1 SonoSite maxx k130173 Manufactured by: FUJIFILM SonoSite Inc 21919 301 Drive SE… | 2013 |
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 22 years and passes through 5 companies; a new generation was cleared every 11 months on median.
- 27 of the 102 ancestors have a recall of any class.
- 5 other devices also cite its predicate K083095.
How does its category compare?
All IYN devicesIYN 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
2026 to Oct 25, outlined.
Median 510(k) review, days · IYN
124in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · IYN
10in 2025
Class I (1 since 2007) Class II/III not classified
Adverse event reports per year · IYN
610in 2025
MAUDE reports naming product code IYN, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 13 | 26 | 16 | 3 |
| 2008 | 25 | 18 | 12 | 2 |
| 2009 | 18 | 29 | 8 | 9 |
| 2010 | 29 | 67 | 10 | 17 |
| 2011 | 39 | 46 | 8 | 18 |
| 2012 | 43 | 37 | 3 | 20 |
| 2013 | 51 | 60 | 8 | 18 |
| 2014 | 56 | 39 | 2 | 48 |
| 2015 | 54 | 55 | 3 | 116 |
| 2016 | 60 | 56 | 2 | 145 |
| 2017 | 64 | 83 | 0 | 146 |
| 2018 | 59 | 85 | 7 | 85 |
| 2019 | 47 | 79 | 0 | 59 |
| 2020 | 57 | 72 | 4 | 67 |
| 2021 | 46 | 105 | 8 | 213 |
| 2022 | 53 | 105 | 10 | 186 |
| 2023 | 44 | 115 | 4 | 229 |
| 2024 | 50 | 119 | 1 | 266 |
| 2025 | 57 | 124 | 10 | 610 |
| 2026 | 44 | 107 | 2 (1) | — |
What is it indicated for?
The LinkQuest Diagnostic Ultrasound System model SQ860 is intended for diagnostic ultrasound imaging analysis of
adults, pregnant women, pediatric patients and neonates. It is intended for use by or on the order of a physician or
similarly qualified health care professional in fetal, abdominal, pediatric, small organ (breast, thyroid, testes), neonatal
cephalic, adult cephalic, trans-rectal, trans-vaginal, musculo-skeletal (conventional, superficial), cardiac adult, cardiac
pediatric, peripheral vessel and urology exams.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K172059 · printed Nov 6, 2026
Cite this page
510(k) Report. “K172059: LinkQuest Diagnostic Ultrasound System model SQ860.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K172059
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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