510(k) Report

510(k) · Cleared

Cleared

Sequoia Diagnostic Ultrasound System

K041319510(k) SpecialCleared Jun 7, 200420-day reviewClass II21 CFR 892.1550

Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly, last Nov 3, 2026

Siemens Medical Solutions USA, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Jun 7, 2004 as substantially equivalent to K032114 (Siemens Medical Solutions USA, Inc., 2003) and 1 other predicate after a 20-day review. Its family tree reaches back 4 generations to 1995. 2 of the 1,003 devices in its family, counting itself, have a Class I recall. 988 later devices descend from it.

Decided
Jun 7, 2004
Review
20 days
Class
Class II
Product code
IYN
Recalls
None
Predicates
2

Its longest line of descent runs back 4 generations to K935595 (1995). 14 ancestors in all, the oldest K921148 (1992). 988 later devices descend from it, 3 citing it directly. 2 of the 1,003 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2003: 1 other ancestor2000: 2 other ancestors1999: 3 other ancestors1997: 1 other ancestor1995: 1 other ancestor1994: 1 other ancestor1992: 1 other ancestor2005: 5 descendants cleared2004: 1 descendant cleared2006: 5 descendants cleared2007: 11 descendants cleared2010: 17 descendants cleared2008: 14 descendants cleared2009: 21 descendants cleared2011: 29 descendants cleared2012: 36 descendants cleared2013: 42 descendants cleared2016: 59 descendants cleared2014: 50 descendants cleared2017: 77 descendants cleared2015: 59 descendants cleared2021: 54 descendants cleared2018: 68 descendants cleared2020: 75 descendants cleared2025: 80 descendants cleared, 2 with a Class I recall22019: 49 descendants cleared2023: 57 descendants cleared2022: 59 descendants cleared2024: 65 descendants cleared2026: 55 descendants clearedK935595 · Acuson Model 3001 · Acuson Corp. · 1995K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 20031990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor3 generations back: 5 other ancestors4 generations back: 4 other ancestors 1 generation forward: 3 descendants2 generations forward: 7 descendants3 generations forward: 21 descendants4 generations forward: 42 descendants5 generations forward: 76 descendants6 generations forward: 110 descendants7 generations forward: 155 descendants8 generations forward: 147 descendants9 generations forward: 124 descendants10 generations forward: 102 descendants, 2 with a Class I recall211 generations forward: 73 descendants12 generations forward: 48 descendants13 generations forward: 37 descendants14 generations forward: 23 descendants15 generations forward: 13 descendants16 generations forward: 5 descendants17 generations forward: 2 descendants K032114 · Sequoia 8.0 Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2003K022567 · Sequoia Signature II Diagnostic Ultrasound System · Acuson Corp. · 2002K973767 · Harmonic Imaging with Contrast · Acuson Corp. · 1997K935595 · Acuson Model 3001 · Acuson Corp. · 19950+5+10+15
  1. Root · 4 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 3 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 2 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 1 generation backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. This deviceK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. Descendant · cites it directly · 979 of its ownK051139 Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005
  7. Descendant · 2 generations on · 972 of its ownK052410 Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005
  8. Descendant · cites it directly · 932 of its ownK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  9. Descendant · 2 generations on · 927 of its ownK050240 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled
  10. Descendant · 3 generations on · 926 of its ownK052894 Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · Recalled

Showing 5 of 988 descendants. See all descendants

Descendants cleared per year

2004: 12005: 52006: 52007: 112008: 142009: 212010: 172011: 292012: 362013: 422014: 502015: 592016: 592017: 772018: 682019: 492020: 752021: 542022: 592023: 572024: 652025: 802026: 55
2004high 80 (2025) · low 1 (2004)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 988 · See all
  • K051139Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · cites it directly979descendants
  • K052410Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · 2 generations on972descendants
  • K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · cites it directly932descendants
  • K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2005 · 2 generations on927descendants
  • K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · 3 generations on926descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−4K935595Acuson Model 3001Acuson Corp.1995—
−3K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−2K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−1K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
0 (this device)K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
+1K051139Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2005—
+2K052410Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc.2005—
+1K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
+2K050240Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20051
+3K052894Sonoline G60 S Ultrasound SystemSiemens Medical Solutions USA, Inc.20051

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199210
199410
199510
199710
199930
200020
200310

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200410
200550
200650
2007110
2008140
2009210
2010170
2011290
2012360
2013420
2014500
2015590
2016590
2017770
2018680
2019490
2020750
2021540
2022590
2023570
2024650
2025802
2026550
FIG. 1 — Lineage of K041319, 1995–2026Source: FDA 510(k) summaries, read by 510(k) Report · How lineage is built

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Notable FDA decisions, review times and new Class I recalls. See an issue.

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.

2 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. #1 K240850 EPIQ Series Diagnostic Ultrasound Systems…score 32.1 · 24 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K032114Sequoia 8.0 Diagnostic Ultrasound System
Summary page 1
…892.1570 90-LTX Diagnostic Intravascular Catheter 870.1200 90-DQO Predicate Devices: * # K0321 14 (July 21, 2003) cleared as ACUSON® Sequoia 8.0 Diagnostic Ultrasound System. * # K033 196 (October 16, 2003) cleared as S…
Siemens Medical Solutions USA, Inc.2003—
*K033196Sonoline Antares with Clarify VE
Summary page 1
…870.1200 90-DQO Predicate Devices: * # K0321 14 (July 21, 2003) cleared as ACUSON® Sequoia 8.0 Diagnostic Ultrasound System. * # K033 196 (October 16, 2003) cleared as SONOLINE® Antares Diagnostic Ultrasound System with ClarifyT m VE. Seclion II…
Siemens Medical Solutions USA, Inc.20031

Also cleared against K032114: 2 other devices →

What descends from it? (988)

See all 988

3 later devices cite it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K051139Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2005979
K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.2004932
K060992Syngo US WorkplaceSiemens Medical Solutions200697

Has anything in its family been recalled? (2 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.

  • K242670Lumify Diagnostic Ultrasound SystemPhilips Ultrasound · 2025 · 10 generations on · ◆ in the 2025 descendants bar of FIG. 11 Class I recall
  • K242519Lumify Diagnostic Ultrasound SystemPhilips Ultrasound · 2025 · 10 generations on · ◆ in the 2025 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • The line of descent spans 9 years and passes through 2 companies; a new generation was cleared every 2.8 years on median.
  • 3 of the 14 ancestors have a recall of any class.
  • Of its descendants, K051139 (Siemens Medical Solutions USA, Inc., 2005) has gone furthest, with 979 descendants of its own.
  • 2 other devices also cite its predicate K032114.

How does its category compare?

All IYN devices

IYN System, Imaging, Pulsed Doppler, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IYN

57in 2025

2007: 132008: 252009: 182010: 292011: 392012: 432013: 512014: 562015: 542016: 602017: 642018: 592019: 472020: 572021: 462022: 532023: 442024: 502025: 572026 (partial year): 44
2007high 64 (2017) · low 13 (2007)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYN

124in 2025

2007: 26 days median2008: 18 days median2009: 29 days median2010: 67 days median2011: 46 days median2012: 37 days median2013: 60 days median2014: 39 days median2015: 55 days median2016: 56 days median2017: 83 days median2018: 85 days median2019: 79 days median2020: 72 days median2021: 105 days median2022: 105 days median2023: 115 days median2024: 119 days median2025: 124 days median2026 (partial year): 107 days median
2007high 124 (2025) · low 18 (2008)2026

Receipt to decision; years with fewer than 3 clearances left blank.

Recalls per year · IYN

10in 2025

2007: 162008: 122009: 82010: 102011: 82012: 32013: 82014: 22015: 32016: 22018: 72020: 42021: 82022: 102023: 42024: 12025: 102026 (partial year): 2, 1 Class I
2007high 16 (2007) · low 0 (2017)2026

Class I (1 since 2007) Class II/III not classified

Adverse event reports per year · IYN

610in 2025

2007: 32008: 22009: 92010: 172011: 182012: 202013: 182014: 482015: 1162016: 1452017: 1462018: 852019: 592020: 672021: 2132022: 1862023: 2292024: 2662025: 610
2007high 610 (2025) · low 2 (2008)2025

MAUDE reports naming product code IYN, not matched to any one device; reports are not rates.

View these four charts as a table
YearDecisionsMedian 510(k) review, daysRecalls (Class I)MAUDE reports
20071326163
20082518122
2009182989
201029671017
20113946818
20124337320
20135160818
20145639248
201554553116
201660562145
201764830146
20185985785
20194779059
20205772467
2021461058213
20225310510186
2023441154229
2024501191266
20255712410610
2026441072 (1)—

What is it indicated for?

Ultrasound imaging or fluid flow analysis of the human body as follows:

Indications for use as stated in the FDA summary.

Cite this page

510(k) Report. “K041319: Sequoia 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/K041319

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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