510(k) · Cleared
ClearedDigital Ultrasonic Diagnostic Imaging System (Model: F6)
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Guangdong Youkey Medical Co., Ltd. · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Mar 22, 2024 as substantially equivalent to K211746 (Guangdong Youkey Medical Co., Ltd., 2022) after a 266-day review. Its family tree reaches back 27 generations to 1995. 6 of the 326 devices in its family, counting itself, have a Class I recall.
- Decided
- Mar 22, 2024
- Review
- 266 days
- Class
- Class II
- Product code
- IYN
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 27 generations to K935595 (1995). 325 ancestors in all, the oldest K850478 (1985). No later device cites it as a predicate yet. 6 of the 326 devices in this family, counting this one, have a Class I recall.
- Root · 27 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 23 generations between
- 3 generations backK180799 Clarius Ultrasound ScannerClarius Mobile Health Corp. · 2018
- 2 generations backK192107 Clarius Ultrasound ScannerClarius Mobile Health Corp. · 2019
- 1 generation backK211746 Pocket Ultrasound SystemGuangdong Youkey Medical Co., Ltd. · 2022
- This deviceK231930 Digital Ultrasonic Diagnostic Imaging System (Model: F6)Guangdong Youkey Medical Co., Ltd. · 2024
Show all 27 generations
- Root · 27 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 26 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 25 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 24 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 23 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 22 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 21 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 20 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 19 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 18 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 17 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 16 generations backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
- 15 generations backK092271 GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3…GE Healthcare · 2009 · Recalled
- 14 generations backK110943 Logiq E9GE Healthcare · 2011 · Recalled
- 13 generations backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
- 12 generations backK121699 Acuson X300 Diagnostic Ultrasound System Sonovista X300 Diagnostic…Siemens Medical Solutions USA, Inc. · 2012
- 11 generations backK123001 Acuson X700 Diagnstic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2012 · Recalled
- 10 generations backK132804 Acuson S1000 / S2000 / S3000Siemens Medical Solutions USA, Inc. Ultrasound Gro · 2013 · Recalled
- 9 generations backK140959 Acuson S1000, S2000, S3000 Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc. · 2014
- 8 generations backK142876 ACUSON S1000/ S2000/ S3000 Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc. · 2014 · Recalled
- 7 generations backK152369 ACUSON S1000, S2000, S3000 Diagnostic Ultrasuond SystemSiemens Medical Solutions USA, Inc. Ultrasound Group · 2015
- 6 generations backK162243 ACUSON S1000 / S2000 / S3000 Diagnostic Ultrasound SystemSiemens Medi Cal Solutions, Inc. · 2016
- 5 generations backK163635 ACUSON S1000/S2000/S3000 Diagnostic Ultrasound SystemsSiemens Medical Solutions USA, Inc. Ultrasound Group · 2017 · Recalled
- 4 generations backK172162 ACUSON S3000 S2000 S1000 Diagnostic Ultrasound SystemsSiemens Healthcare · 2017
- 3 generations backK180799 Clarius Ultrasound ScannerClarius Mobile Health Corp. · 2018
- 2 generations backK192107 Clarius Ultrasound ScannerClarius Mobile Health Corp. · 2019
- 1 generation backK211746 Pocket Ultrasound SystemGuangdong Youkey Medical Co., Ltd. · 2022
- This deviceK231930 Digital Ultrasonic Diagnostic Imaging System (Model: F6)Guangdong Youkey Medical Co., Ltd. · 2024
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −27 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −26 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −25 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −24 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −23 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −22 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −21 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −20 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −19 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −18 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −17 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −16 | K083095 | Sonixtouch Ultrasound System | Ultrasonix Medical Corporation | 2008 | — |
| −15 | K092271 | GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4 | GE Healthcare | 2009 | 1 |
| −14 | K110943 | Logiq E9 | GE Healthcare | 2011 | 2 |
| −13 | K113690 | GE Logiq I, Logiq E and Vivid E | GE Healthcare | 2011 | 1 |
| −12 | K121699 | Acuson X300 Diagnostic Ultrasound System Sonovista X300 Diagnostic Ultrasound… | Siemens Medical Solutions USA, Inc. | 2012 | — |
| −11 | K123001 | Acuson X700 Diagnstic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2012 | 2 |
| −10 | K132804 | Acuson S1000 / S2000 / S3000 | Siemens Medical Solutions USA, Inc. Ultrasound Gro | 2013 | 3 |
| −9 | K140959 | Acuson S1000, S2000, S3000 Diagnostic Ultrasound Systems | Siemens Medical Solutions USA, Inc. | 2014 | — |
| −8 | K142876 | ACUSON S1000/ S2000/ S3000 Diagnostic Ultrasound Systems | Siemens Medical Solutions USA, Inc. | 2014 | 1 |
| −7 | K152369 | ACUSON S1000, S2000, S3000 Diagnostic Ultrasuond System | Siemens Medical Solutions USA, Inc. Ultrasound Group | 2015 | — |
| −6 | K162243 | ACUSON S1000 / S2000 / S3000 Diagnostic Ultrasound System | Siemens Medi Cal Solutions, Inc. | 2016 | — |
| −5 | K163635 | ACUSON S1000/S2000/S3000 Diagnostic Ultrasound Systems | Siemens Medical Solutions USA, Inc. Ultrasound Group | 2017 | 1 |
| −4 | K172162 | ACUSON S3000 S2000 S1000 Diagnostic Ultrasound Systems | Siemens Healthcare | 2017 | — |
| −3 | K180799 | Clarius Ultrasound Scanner | Clarius Mobile Health Corp. | 2018 | — |
| −2 | K192107 | Clarius Ultrasound Scanner | Clarius Mobile Health Corp. | 2019 | — |
| −1 | K211746 | Pocket Ultrasound System | Guangdong Youkey Medical Co., Ltd. | 2022 | — |
| 0 (this device) | K231930 | Digital Ultrasonic Diagnostic Imaging System (Model: F6) | Guangdong Youkey Medical Co., Ltd. | 2024 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 1 |
| 1997 | 12 | 0 |
| 1998 | 17 | 3 |
| 1999 | 17 | 0 |
| 2000 | 15 | 1 |
| 2001 | 18 | 0 |
| 2002 | 22 | 0 |
| 2003 | 20 | 0 |
| 2004 | 20 | 1 |
| 2005 | 17 | 0 |
| 2006 | 11 | 0 |
| 2007 | 14 | 0 |
| 2008 | 11 | 0 |
| 2009 | 11 | 0 |
| 2010 | 9 | 0 |
| 2011 | 5 | 0 |
| 2012 | 10 | 0 |
| 2013 | 9 | 0 |
| 2014 | 2 | 0 |
| 2015 | 3 | 0 |
| 2016 | 2 | 0 |
| 2017 | 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.
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 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? (1)
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 |
|---|---|---|---|
| * | K211746 | Pocket Ultrasound SystemSummary page 5…e Name: Pocket Ultrasound System Common Name: Diagnostic Ultrasound System and Transducer Classification name: Ultrasonic Pulsed Doppler Imaging System 510(K) Number: K211746 Review Panel: Radiology Product Code: IYN, IYO, ITX Regulation Class: II Regulation Number: 21 CFR 892.1550 Reference Device… | 2022 |
| † | K102991 | M5 Diagnostic Ultrasound System | 2010 |
| † | K151339 | SONON Ultrasound Imaging System (Model: SONON 300C) | 2015 |
| † | K170085 | SONON Ultrasound Imaging System, Model: 300L | 2017 |
What descends from it?
No later submission names this one as a predicate yet.
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 · 11 generations back · ◆ in the 2004 ancestors bar of FIG. 11 Class I recall
- K994270Instatrak 3000 System with Fluorotrak Module, Model IT3000Visualization Technology, Inc. · 2000 · 11 generations back · ◆ in the 2000 ancestors bar of FIG. 12 Class I recalls
- K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 11 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K982994Skull Base Instatrak SystemVisualization Technology, Inc. · 1998 · 11 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 11 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K960330InstatrakVisualization Technology, Inc. · 1996 · 11 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall
Nearest 5 of 6; all are on the web page.
What does this lineage say?
- The line of descent spans 29 years and passes through 11 companies; a new generation was cleared every 11 months on median.
- 85 of the 325 ancestors have a recall of any class; 6 have a Class I recall.
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. 2024, 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?
Digital Ultrasonic Diagnostic Imaging System (Model: F6) is a general use ultrasound device intended for use by appropriately qualified and trained healthcare professionals for ultrasound imaging, measurement, display and fluid flow analysis of the human body. Specific clinical applications and exam types include: Abdominal, Obstetrics, Gynaecology, Small Parts (breast, thyroid, etc.), Peripheral Vascular, Urology. Modes of operation include B mode, M mode, Color Doppler, Power Doppler, PWD and Combined (B+M; B+CD; B+PD; B+PWD). This system is suitable for use in hospital and clinical settings.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K231930 · printed Nov 6, 2026
Cite this page
510(k) Report. “K231930: Digital Ultrasonic Diagnostic Imaging System (Model: F6).” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K231930
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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