510(k) · Cleared
Cleared6420 Ultrasound System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Esaote, S.p.A. · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Dec 4, 2018 as substantially equivalent to K161168 (Esaote Europe B.V., 2016) and 2 other predicates after a 15-day review. Its family tree reaches back 21 generations to 1995. 7 of the 339 devices in its family, counting itself, have a Class I recall.
- Decided
- Dec 4, 2018
- Review
- 15 days
- Class
- Class II
- Product code
- IYN
- Recalls
- None
- Predicates
- 3
Its longest line of descent runs back 21 generations to K935595 (1995). 338 ancestors in all, the oldest K844472 (1985). No later device cites it as a predicate yet. 7 of the 339 devices in this family, counting this one, have a Class I recall.
- Root · 21 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 17 generations between
- 3 generations backK151451 Aplio 500/400/300 Diagnostic Ultrasound System V6.0Toshibamedical Systems Corporation · 2015 · Recalled
- 2 generations backK163082 6200 Ultrasound System and 6250 Ultrasound SystemEsaote, S.p.A. · 2017 · Recalled
- 1 generation backK173291 6440 Ultrasound SystemEsaote, S.p.A. · 2018
- This deviceK183191 6420 Ultrasound SystemEsaote, S.p.A. · 2018
Show all 21 generations
- Root · 21 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 20 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 19 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 18 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 17 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 16 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 15 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 14 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 13 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 12 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 11 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 10 generations backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
- 9 generations backK092271 GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3…GE Healthcare · 2009 · Recalled
- 8 generations backK110943 Logiq E9GE Healthcare · 2011 · Recalled
- 7 generations backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
- 6 generations backK120741 Voluson S6, Voluson S8GE Healthcare · 2012
- 5 generations backK122387 Voluson P6, Voluson P8GE Healthcare · 2012
- 4 generations backK131937 Voluson I/EGE Healthcare · 2013
- 3 generations backK151451 Aplio 500/400/300 Diagnostic Ultrasound System V6.0Toshibamedical Systems Corporation · 2015 · Recalled
- 2 generations backK163082 6200 Ultrasound System and 6250 Ultrasound SystemEsaote, S.p.A. · 2017 · Recalled
- 1 generation backK173291 6440 Ultrasound SystemEsaote, S.p.A. · 2018
- This deviceK183191 6420 Ultrasound SystemEsaote, S.p.A. · 2018
Class I recalls in this family
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −21 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −20 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −19 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −18 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −17 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −16 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −15 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −14 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −13 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −12 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −11 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −10 | K083095 | Sonixtouch Ultrasound System | Ultrasonix Medical Corporation | 2008 | — |
| −9 | K092271 | GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4 | GE Healthcare | 2009 | 1 |
| −8 | K110943 | Logiq E9 | GE Healthcare | 2011 | 2 |
| −7 | K113690 | GE Logiq I, Logiq E and Vivid E | GE Healthcare | 2011 | 1 |
| −6 | K120741 | Voluson S6, Voluson S8 | GE Healthcare | 2012 | — |
| −5 | K122387 | Voluson P6, Voluson P8 | GE Healthcare | 2012 | — |
| −4 | K131937 | Voluson I/E | GE Healthcare | 2013 | — |
| −3 | K151451 | Aplio 500/400/300 Diagnostic Ultrasound System V6.0 | Toshibamedical Systems Corporation | 2015 | 2 |
| −2 | K163082 | 6200 Ultrasound System and 6250 Ultrasound System | Esaote, S.p.A. | 2017 | 2 |
| −1 | K173291 | 6440 Ultrasound System | Esaote, S.p.A. | 2018 | — |
| 0 (this device) | K183191 | 6420 Ultrasound System | Esaote, S.p.A. | 2018 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 1 |
| 1997 | 14 | 0 |
| 1998 | 19 | 3 |
| 1999 | 23 | 0 |
| 2000 | 19 | 1 |
| 2001 | 21 | 0 |
| 2002 | 24 | 0 |
| 2003 | 26 | 0 |
| 2004 | 21 | 1 |
| 2005 | 23 | 0 |
| 2006 | 16 | 0 |
| 2007 | 9 | 1 |
| 2008 | 12 | 0 |
| 2009 | 9 | 0 |
| 2010 | 7 | 0 |
| 2011 | 13 | 0 |
| 2012 | 7 | 0 |
| 2013 | 7 | 0 |
| 2014 | 7 | 0 |
| 2015 | 1 | 0 |
| 2016 | 2 | 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.
7 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? (3)
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 |
|---|---|---|---|
| * | K161168 | MyLabSix Ultrasound SystemSummary page 33…(3) Predicate Device(s) Predicate 510(k) Device Owner Primary K161168 6420 – MyLabSix Esaote Europe B.V. Reference K173291 6440 – MyLab 9 eXP Esaote S.… | 2016 |
| * | K173291 | 6440 Ultrasound SystemSummary page 33…510(k) Device Owner Primary K161168 6420 – MyLabSix Esaote Europe B.V. Reference K173291 6440 – MyLab 9 eXP Esaote S.p.A. Additional substantial equivalence information is provided in the substantial equ… | 2018 |
| * | K141486 | Mylabsix Ultrasound SystemSummary page 34…oys the same fundamental technological characteristics as their predicate devices. The 6420 upgraded system is substantially equivalent to Esaote 6420 model cleared via K141486, and updated via K161168 clearance. • Clinical uses for which Esaote 6420 and 6440 models have been respectively cleared by… | 2014 |
What descends from it?
No later submission names this one as a predicate yet.
Has anything in its family been recalled? (7 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.
- K070106VV Fluoro 3DBrainlab AG · 2007 · 4 generations back · ◆ in the 2007 ancestors bar of FIG. 11 Class I recall
- 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 · 7 generations back · ◆ in the 2000 ancestors bar of FIG. 12 Class I recalls
- K983529Instatrak 3000Visualization Technology, Inc. · 1998 · 7 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K982994Skull Base Instatrak SystemVisualization Technology, Inc. · 1998 · 7 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K981998Pediatric Instatrak SystemVisualization Technology, Inc. · 1998 · 7 generations back · ◆ in the 1998 ancestors bar of FIG. 11 Class I recall
- K960330InstatrakVisualization Technology, Inc. · 1996 · 7 generations back · ◆ in the 1996 ancestors bar of FIG. 11 Class I recall
Nearest 5 of 7; all are on the web page.
What does this lineage say?
- The line of descent spans 23 years and passes through 7 companies; a new generation was cleared every 11 months on median.
- 87 of the 338 ancestors have a recall of any class; 7 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. 2018, 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?
Esaote's 6420 is intended to perform diagnostic general ultrasound studies including: Fetal, Abdominal, Intraoperative (Abdominal), Laparoscopic, Pediatric, Small organs, Neonatal, Neonatal Cephalic, Adult Cephalic, Transrectal, Transvaginal, Musculoskeletal (Conventional), Musculoskeletal (Superficial), Urological, Cardiovascular Adult, Cardiovascular Pediatric, Transoesophageal (cardiac), Peripheral Vessel. The equipment provides imaging for guidance…
Read the full statement (99 words)
Esaote's 6420 is intended to perform diagnostic general ultrasound studies
including:
Fetal, Abdominal, Intraoperative (Abdominal), Laparoscopic, Pediatric, Small organs, Neonatal, Neonatal Cephalic, Adult
Cephalic, Transrectal, Transvaginal, Musculoskeletal (Conventional), Musculoskeletal (Superficial),
Urological, Cardiovascular Adult, Cardiovascular Pediatric, Transoesophageal (cardiac), Peripheral Vessel.
The equipment provides imaging for guidance of biopsy and imaging to assist in the placement of needles and catheters in
vascular or other anatomical structures as well as peripheral nerve blocks in Musculoskeletal applications.
The ultrasonic medical diagnostic equipment is intended to be connected to mechanical and electronic ultrasound probes
(convex array, linear array and phase array) and Doppler probes.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K183191 · printed Nov 6, 2026
Cite this page
510(k) Report. “K183191: 6420 Ultrasound System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K183191
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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