510(k) · Cleared
ClearedAcuson X150 Diagnostic Ultrasound System Sonovista X150 Diagnostic Ultrasound System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Siemens Medical Solutions USA, Inc. Ultrasound Gro · IYN System, Imaging, Pulsed Doppler, Ultrasonic
Cleared on Jun 22, 2012 as substantially equivalent to K081121 (Siemens Medical Solutions USA, Inc., Ultrasound DI, 2008) and 5 other predicates after a 17-day review. Its family tree reaches back 15 generations to 1995.
- Decided
- Jun 22, 2012
- Review
- 17 days
- Class
- Class II
- Product code
- IYN
- Recalls
- None
- Predicates
- 6
Its longest line of descent runs back 15 generations to K935595 (1995). 128 ancestors in all, the oldest K863700 (1987). No later device cites it as a predicate yet.
- Root · 15 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 11 generations between
- 3 generations backK092271 GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3…GE Healthcare · 2009 · Recalled
- 2 generations backK110943 Logiq E9GE Healthcare · 2011 · Recalled
- 1 generation backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
- This deviceK121646 Acuson X150 Diagnostic Ultrasound System Sonovista X150 Diagnostic…Siemens Medical Solutions USA, Inc. Ultrasound Gro · 2012
Show all 15 generations
- Root · 15 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
- 14 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
- 13 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
- 12 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
- 11 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
- 10 generations backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
- 9 generations backK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 8 generations backK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
- 7 generations backK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
- 6 generations backK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
- 5 generations backK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
- 4 generations backK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008
- 3 generations backK092271 GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3…GE Healthcare · 2009 · Recalled
- 2 generations backK110943 Logiq E9GE Healthcare · 2011 · Recalled
- 1 generation backK113690 GE Logiq I, Logiq E and Vivid EGE Healthcare · 2011 · Recalled
- This deviceK121646 Acuson X150 Diagnostic Ultrasound System Sonovista X150 Diagnostic…Siemens Medical Solutions USA, Inc. Ultrasound Gro · 2012
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −15 | K935595 | Acuson Model 3001 | Acuson Corp. | 1995 | — |
| −14 | K973767 | Harmonic Imaging with Contrast | Acuson Corp. | 1997 | — |
| −13 | K022567 | Sequoia Signature II Diagnostic Ultrasound System | Acuson Corp. | 2002 | — |
| −12 | K032114 | Sequoia 8.0 Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2003 | — |
| −11 | K041319 | Sequoia Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc. | 2004 | — |
| −10 | K042770 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2004 | 1 |
| −9 | K050240 | Modification to Acuson CV70 Cardiovascular System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −8 | K052894 | Sonoline G60 S Ultrasound System | Siemens Medical Solutions USA, Inc. | 2005 | 1 |
| −7 | K063138 | Modification to Acuson Antares Ultrasound System | Siemens Medical Solutions USA, Inc. | 2006 | — |
| −6 | K063803 | Acuson Antares Diagnostic Ultrasound System | Siemens Medical Solutions USA, Inc., Ultrasound DI | 2007 | 9 |
| −5 | K072786 | Acuson S2000 Ultrasound System | Siemens Medical Solutions USA, Inc. | 2007 | — |
| −4 | K083095 | Sonixtouch Ultrasound System | Ultrasonix Medical Corporation | 2008 | — |
| −3 | K092271 | GE Logiq E9 BT2010 Diagnostic Ultrasound System, Model 5205000-3, 5205000-4 | GE Healthcare | 2009 | 1 |
| −2 | K110943 | Logiq E9 | GE Healthcare | 2011 | 2 |
| −1 | K113690 | GE Logiq I, Logiq E and Vivid E | GE Healthcare | 2011 | 1 |
| 0 (this device) | K121646 | Acuson X150 Diagnostic Ultrasound System Sonovista X150 Diagnostic Ultrasound… | Siemens Medical Solutions USA, Inc. Ultrasound Gro | 2012 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1987 | 1 | 0 |
| 1989 | 1 | 0 |
| 1992 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 0 |
| 2002 | 9 | 0 |
| 2003 | 10 | 0 |
| 2004 | 14 | 0 |
| 2005 | 11 | 0 |
| 2006 | 6 | 0 |
| 2007 | 5 | 0 |
| 2008 | 7 | 0 |
| 2009 | 2 | 0 |
| 2010 | 4 | 0 |
| 2011 | 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? (6)
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 |
|---|---|---|---|
| * | K081121 | Modification to Acuson X150 Ultrasound SystemSummary page 1…e, and is substantially equivalent to the current product that is already cleared for USA distribution under the following 510(k) Prearket Notification number: *K081121, ACUSON X1 5OTm Diagnostic Ultrasound System, SONOVISTA X150 Diagnostic Ultrasound System * K1 13179, ACUSON SC… | 2008 |
| * | K113179 | Acuson SC2000 Diagnostic Ultrasound SystemSummary page 1…wing 510(k) Prearket Notification number: *K081121, ACUSON X1 5OTm Diagnostic Ultrasound System, SONOVISTA X150 Diagnostic Ultrasound System * K1 13179, ACUSON SC200TM Diagnostic Ultrasound System * K101091, ZONARE zone Ultra Ultrasoud System * K113690, GE LOGIC ,… | 2011 |
| * | K101091 | Z.One Ultra Ultrasound SystemSummary page 1…SON X1 5OTm Diagnostic Ultrasound System, SONOVISTA X150 Diagnostic Ultrasound System * K1 13179, ACUSON SC200TM Diagnostic Ultrasound System * K101091, ZONARE zone Ultra Ultrasoud System * K113690, GE LOGIC , LOGIO e, Vivid e * K014206, GE LogiqBooK XP * K… | 2010 |
| * | K113690 | GE Logiq I, Logiq E and Vivid ESummary page 1…50 Diagnostic Ultrasound System * K1 13179, ACUSON SC200TM Diagnostic Ultrasound System * K101091, ZONARE zone Ultra Ultrasoud System * K113690, GE LOGIC , LOGIO e, Vivid e * K014206, GE LogiqBooK XP * K101 757, Sonosite M-turbo B. Device Description: Th… | 2011 |
| * | K014206 | LogiqbookSummary page 1…* K1 13179, ACUSON SC200TM Diagnostic Ultrasound System * K101091, ZONARE zone Ultra Ultrasoud System * K113690, GE LOGIC , LOGIO e, Vivid e * K014206, GE LogiqBooK XP * K101 757, Sonosite M-turbo B. Device Description: The Siemens ACUSON X1SO0 Diagnostic Ultrasound Sy… | 2002 |
| * | K101757 | Sonosite Nanomaxx Series Ultrasound System, Sonosite Maxx Series Ultrasound SystemSummary page 1…ostic Ultrasound System * K101091, ZONARE zone Ultra Ultrasoud System * K113690, GE LOGIC , LOGIO e, Vivid e * K014206, GE LogiqBooK XP * K101 757, Sonosite M-turbo B. Device Description: The Siemens ACUSON X1SO0 Diagnostic Ultrasound System is a multi-purpose mobile, soft… | 2010 |
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 17 years and passes through 6 companies; a new generation was cleared every 11 months on median.
- 32 of the 128 ancestors have a recall of any class.
- 1 other device also cites its predicate K081121.
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. 2012, 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 Siemens Acuson X1 50 ultrasound imaging system is intended for the following applications: General Radiology, Fetal, Abdominal, Intraoperative, Pediatric, Small Parts, Neonatal/Adult Cephalic, Cardiac, Transesophageal, Pelvic, Transcranial, OB/GYN, Urology, Vascular, Musculoskeletal, Superficial Musculoskeletal, and Peripheral Vascular applications.
The system also provides for the measurement of anatomical structures and for analysis packages that provide information that is used for clinical diagnosis purposes.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K121646 · printed Nov 6, 2026
Cite this page
510(k) Report. “K121646: Acuson X150 Diagnostic Ultrasound System Sonovista X150 Diagnostic 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/K121646
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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