510(k) · Cleared
ClearedUltraextend Usws-900A V2.1 and V3.1
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Toshiba America Medical Systems, In.C · LLZ System, Image Processing, Radiological
Cleared on Jul 23, 2013 as substantially equivalent to K082596 (Toshiba America Medical Systems, In.C, 2008) and 1 other predicate after a 33-day review. Its family tree reaches back 15 generations to 1995.
- Decided
- Jul 23, 2013
- Review
- 33 days
- Class
- Class II
- Product code
- LLZ
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 15 generations to K935595 (1995). 137 ancestors in all, the oldest K894632 (1989). 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 backK110870 Aplio Diagnostic Ultrasound System; Aplio Diagnostic Ultrasound…Toshiba America Medical Systems, In.C · 2011
- 1 generation backK121076 Ultraextend FX, Ultrasound Workstation PackageToshiba America Medical Systems, In.C · 2012
- This deviceK131822 Ultraextend Usws-900A V2.1 and V3.1Toshiba America Medical Systems, In.C · 2013
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 backK110870 Aplio Diagnostic Ultrasound System; Aplio Diagnostic Ultrasound…Toshiba America Medical Systems, In.C · 2011
- 1 generation backK121076 Ultraextend FX, Ultrasound Workstation PackageToshiba America Medical Systems, In.C · 2012
- This deviceK131822 Ultraextend Usws-900A V2.1 and V3.1Toshiba America Medical Systems, In.C · 2013
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 | K110870 | Aplio Diagnostic Ultrasound System; Aplio Diagnostic Ultrasound System; Aplio… | Toshiba America Medical Systems, In.C | 2011 | — |
| −1 | K121076 | Ultraextend FX, Ultrasound Workstation Package | Toshiba America Medical Systems, In.C | 2012 | — |
| 0 (this device) | K131822 | Ultraextend Usws-900A V2.1 and V3.1 | Toshiba America Medical Systems, In.C | 2013 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1989 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 0 |
| 2002 | 8 | 0 |
| 2003 | 10 | 0 |
| 2004 | 13 | 0 |
| 2005 | 9 | 0 |
| 2006 | 9 | 0 |
| 2007 | 4 | 0 |
| 2008 | 8 | 0 |
| 2009 | 1 | 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 LLZ? 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 LLZ device
- #1 K230955 syngo Application Softwarescore 21.5 · 11 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 |
|---|---|---|---|
| * | K082596 | Ultraextend Usws-900ASummary page 1…icate Devices: Product Marketed by 510(k) Number Clearance Date UltraExtend Toshiba America K082596 September 23, 2008 USWS-900A Medical Systems _________________… | 2008 |
| * | K121076 | Ultraextend FX, Ultrasound Workstation PackageSummary page 1…September 23, 2008 USWS-900A Medical Systems _________________ UltraExtend EX Toshiba America K12 1076 October 9, 2012 TUW-UOO IS v2.02 Medical Systems _________… | 2012 |
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 18 years and passes through 6 companies; a new generation was cleared every 11 months on median.
- 30 of the 137 ancestors have a recall of any class.
- 1 other device also cites its predicate K082596.
How does its category compare?
All LLZ devicesLLZ System, Image Processing, Radiological: FDA decisions, review times, recalls and adverse event reports over 20 years. 2013, this device’s year, is highlighted.
FDA decisions per year · LLZ
58in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · LLZ
173in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · LLZ
11in 2025
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · LLZ
116in 2025
MAUDE reports naming product code LLZ, 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 | 76 | 36 | 20 | 152 |
| 2008 | 94 | 52 | 32 | 154 |
| 2009 | 70 | 62 | 21 | 145 |
| 2010 | 51 | 98 | 17 | 145 |
| 2011 | 106 | 79 | 30 | 454 |
| 2012 | 82 | 87 | 12 | 266 |
| 2013 | 95 | 84 | 64 | 1,130 |
| 2014 | 78 | 89 | 6 | 15,631 |
| 2015 | 64 | 90 | 16 | 211 |
| 2016 | 82 | 90 | 12 | 290 |
| 2017 | 78 | 107 | 5 | 104 |
| 2018 | 104 | 105 | 7 | 72 |
| 2019 | 74 | 107 | 2 | 88 |
| 2020 | 81 | 115 | 6 | 82 |
| 2021 | 83 | 116 | 3 | 70 |
| 2022 | 65 | 137 | 4 | 28 |
| 2023 | 87 | 157 | 8 | 26 |
| 2024 | 62 | 131 | 6 | 42 |
| 2025 | 58 | 173 | 11 | 116 |
| 2026 | 45 | 110 | 14 | — |
What is it indicated for?
This software is intended for displaying and analyzing ultrasound images for medical diagnosis in cardiac and general examinations.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K131822 · printed Nov 5, 2026
Cite this page
510(k) Report. “K131822: Ultraextend Usws-900A V2.1 and V3.1.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 5, 2026. https://510kreport.com/device/K131822
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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