510(k) Report

510(k) · Cleared

Recalled · 2009

V5MS Transducer and MPT7-4 Multiplane Transesophageal Transducer

K052021510(k) SpecialCleared Aug 17, 200522-day reviewClass II21 CFR 892.1570Recalls 1

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. · ITX Transducer, Ultrasonic, Diagnostic

Cleared on Aug 17, 2005 as substantially equivalent to K051139 (Siemens Medical Solutions USA, Inc., 2005) and 3 other predicates after a 22-day review. Its family tree reaches back 6 generations to 1995. 2 of the 844 devices in its family, counting itself, have a Class I recall. 806 later devices descend from it. It has been recalled once.

Decided
Aug 17, 2005
Review
22 days
Class
Class II
Product code
ITX
Recalls
1
Predicates
4

Its longest line of descent runs back 6 generations to K935595 (1995). 37 ancestors in all, the oldest K891689 (1989). 806 later devices descend from it, 3 citing it directly. 2 of the 844 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 2005: 1 other ancestor2004: 3 other ancestors2003: 3 other ancestors2002: 3 other ancestors2000: 4 other ancestors2001: 2 other ancestors1999: 4 other ancestors1998: 1 other ancestor1995: 3 other ancestors1997: 2 other ancestors1994: 3 other ancestors1989: 1 other ancestor1992: 1 other ancestor2006: 1 descendant cleared2012: 28 descendants cleared2007: 3 descendants cleared2017: 70 descendants cleared2011: 18 descendants cleared2008: 3 descendants cleared2013: 32 descendants cleared2009: 5 descendants cleared2010: 9 descendants cleared2014: 45 descendants cleared2015: 49 descendants cleared2019: 46 descendants cleared2016: 58 descendants cleared2018: 61 descendants cleared2020: 63 descendants cleared2023: 50 descendants cleared2024: 54 descendants cleared2021: 48 descendants cleared2025: 65 descendants cleared, 2 with a Class I recall22022: 52 descendants cleared2026: 46 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. · 2003×2: 2 generations cleared close together, K041319 (2004), K042770 (2004) 1990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 3 other ancestors2 generations back: 7 other ancestors3 generations back: 9 other ancestors4 generations back: 8 other ancestors5 generations back: 4 other ancestors 1 generation forward: 3 descendants2 generations forward: 2 descendants3 generations forward: 3 descendants4 generations forward: 24 descendants5 generations forward: 59 descendants6 generations forward: 105 descendants7 generations forward: 106 descendants8 generations forward: 112 descendants9 generations forward: 107 descendants10 generations forward: 95 descendants, 2 with a Class I recall211 generations forward: 64 descendants12 generations forward: 55 descendants13 generations forward: 39 descendants14 generations forward: 22 descendants15 generations forward: 8 descendants16 generations forward: 2 descendants K042770 · Modification to Acuson CV70 Cardiovascular System · Siemens Medical Solutions USA, Inc. · 2004 · recalledK041319 · Sequoia Diagnostic Ultrasound System · Siemens Medical Solutions USA, Inc. · 2004K032114 · 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. · 1995−50+5+10+15
  1. Root · 6 generations backK935595 Acuson Model 3001Acuson Corp. · 1995
  2. 5 generations backK973767 Harmonic Imaging with ContrastAcuson Corp. · 1997
  3. 4 generations backK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. 3 generations backK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. 2 generations backK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. 1 generation backK042770 Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc. · 2004 · Recalled
  7. This deviceK052021 V5MS Transducer and MPT7-4 Multiplane Transesophageal TransducerSiemens Medical Solutions USA, Inc. · 2005
  8. Descendant · cites it directly · 802 of its ownK063138 Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006
  9. Descendant · 2 generations on · 801 of its ownK063803 Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · Recalled
  10. Descendant · 3 generations on · 800 of its ownK072786 Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  11. Descendant · 4 generations on · 588 of its ownK093563 IU22 Ultrasound System and TransducersPhilips Ultrasound, Inc. · 2010 · Recalled
  12. Descendant · 4 generations on · 582 of its ownK083095 Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008

Showing 5 of 806 descendants. See all descendants

Descendants cleared per year

2006: 12007: 32008: 32009: 52010: 92011: 182012: 282013: 322014: 452015: 492016: 582017: 702018: 612019: 462020: 632021: 482022: 522023: 502024: 542025: 652026: 46
2006high 70 (2017) · low 1 (2006)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 806 · See all
  • K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2006 · cites it directly802descendants
  • K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI · 2007 · 2 generations on801descendants
  • K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007 · 3 generations on800descendants
  • K093563IU22 Ultrasound System and TransducersPhilips Ultrasound, Inc. · 2010 · 4 generations on588descendants
  • K083095Sonixtouch Ultrasound SystemUltrasonix Medical Corporation · 2008 · 4 generations on582descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−6K935595Acuson Model 3001Acuson Corp.1995—
−5K973767Harmonic Imaging with ContrastAcuson Corp.1997—
−4K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
−3K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
−2K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
−1K042770Modification to Acuson CV70 Cardiovascular SystemSiemens Medical Solutions USA, Inc.20041
0 (this device)K052021V5MS Transducer and MPT7-4 Multiplane Transesophageal TransducerSiemens Medical Solutions USA, Inc.2005—
+1K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006—
+2K063803Acuson Antares Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc., Ultrasound DI20079
+3K072786Acuson S2000 Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
+4K093563IU22 Ultrasound System and TransducersPhilips Ultrasound, Inc.20102
+4K083095Sonixtouch Ultrasound SystemUltrasonix Medical Corporation2008—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
198910
199210
199430
199530
199720
199810
199940
200040
200120
200230
200330
200430
200510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200610
200730
200830
200950
201090
2011180
2012280
2013320
2014450
2015490
2016580
2017700
2018610
2019460
2020630
2021480
2022520
2023500
2024540
2025652
2026460
FIG. 1 — Lineage of K052021, 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 ITX device

  1. #1 K260114 Align® Cover and Pad Guidance Toolscore 13.6 · 6 generations · no Class I recall
  2. #2 Held for the reportin the report
  3. #3 Held for the reportin the report
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What was it cleared against? (4)

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
*K051139Acuson Sequoia Diagnostic Ultrasound System
Summary page 1
…90-ITX Predicate Devices: V5M TEE transducer has already been cleared on the following ACUSON ultrasound platforms: * ACUSON SequoiaiM ultrasound system (#K051139) * ACUSON CypressrM ultrasound system (#K042055) * ACUSON CV70TM cardiovascular systems (#K042770) Se imon…
Siemens Medical Solutions USA, Inc.2005—
*K042055Cypress Ultrasound System
Summary page 1
…er has already been cleared on the following ACUSON ultrasound platforms: * ACUSON SequoiaiM ultrasound system (#K051139) * ACUSON CypressrM ultrasound system (#K042055) * ACUSON CV70TM cardiovascular systems (#K042770) Se imon II 510(k) S u nary of S…
Siemens Medical Solutions USA, Inc.2004—
*K042770Modification to Acuson CV70 Cardiovascular System
Summary page 1
…trasound platforms: * ACUSON SequoiaiM ultrasound system (#K051139) * ACUSON CypressrM ultrasound system (#K042055) * ACUSON CV70TM cardiovascular systems (#K042770) Se imon II 510(k) S u nary of Safety and Effectiveness…
Siemens Medical Solutions USA, Inc.20041
*K040060Sonoline G50 and G60 S Diagnostic Ultrasound Systems
Summary page 2
…51( (k) Devicc M/dl~ficaliom MPT7-4 TEE transducer has already been cleared on the following SONOLINE ultrasound platform: * SONOLINE G60SlM ultrasound system (#K040060) Device Description: The V5M/MPT7-4 transducers consist of a gastroscope control housing where nosepiece articulation and…
Siemens Medical Solutions USA, Inc.2004—

Also cleared against K051139: 4 other devices →

What descends from it? (806)

See all 806

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

NumberDeviceApplicantDecidedDescendants
K063138Modification to Acuson Antares Ultrasound SystemSiemens Medical Solutions USA, Inc.2006802
K070515A-View Basic and PlusCordatec N.V.20071
K121807V5MS TransducerSiemens Medical Solutions USA, Inc.20120

Has anything in its family been recalled? (2 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Sep 30, 2009Not classifiedZ-0896-2011Software designSoftware safety guard measures on the device malfunctioned to prevent the temperature from going over its limits when the device is used.

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 10 years and passes through 2 companies; a new generation was cleared every 11 months on median.
  • 6 of the 37 ancestors have a recall of any class.
  • Of its descendants, K063138 (Siemens Medical Solutions USA, Inc., 2006) has gone furthest, with 802 descendants of its own.
  • 4 other devices also cite its predicate K051139.

How does its category compare?

All ITX devices

ITX Transducer, Ultrasonic, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · ITX

4in 2025

2007: 102008: 122009: 172010: 102011: 102012: 72013: 32014: 42015: 12016: 42017: 62018: 22019: 12020: 32021: 32022: 22023: 62024: 32025: 42026 (partial year): 6
2007high 17 (2009) · low 1 (2015)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · ITX

126in 2025

2007: 26 days median2008: 73 days median2009: 28 days median2010: 42 days median2011: 16 days median2012: 25 days median2013: 105 days median2014: 41 days median2016: 151 days median2017: 110 days median2020: 120 days median2021: 139 days median2023: 213 days median2024: 81 days median2025: 126 days median2026 (partial year): 158 days median
2007high 213 (2023) · low 16 (2011)2026

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

Recalls per year · ITX

2in 2025

2008: 42009: 42010: 42011: 12012: 12014: 12015: 52017: 12018: 152020: 32021: 10, 10 Class I2022: 62023: 12024: 12025: 2
2007high 15 (2018) · low 0 (2007)2026

Class I (10 since 2007) Class II/III not classified

Adverse event reports per year · ITX

571in 2025

2007: 162008: 392009: 232010: 302011: 342012: 292013: 382014: 432015: 1832016: 2692017: 4122018: 1302019: 1192020: 1162021: 1462022: 872023: 1382024: 9882025: 571
2007high 988 (2024) · low 16 (2007)2025

MAUDE reports naming product code ITX, 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
20071026016
20081273439
20091728423
20101042430
20111016134
2012725129
20133105038
2014441143
20151—5183
201641510269
201761101412
20182—15130
20191—0119
202031203116
2021313910 (10)146
20222—687
202362131138
20243811988
202541262571
202661580—

What is it indicated for?

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

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

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

Diagnostic 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. “K052021: V5MS Transducer and MPT7-4 Multiplane Transesophageal Transducer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K052021

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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