510(k) Report

510(k) · Cleared

Cleared

PVK-720ST Endocavitary Transducer

K964865510(k) TraditionalCleared Mar 10, 199796-day reviewClass II21 CFR 892.1570

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

Toshiba America Medical Systems, In.C · ITX Transducer, Ultrasonic, Diagnostic

Cleared on Mar 10, 1997 as substantially equivalent to K933743 (Toshiba America Medical Systems, In.C, 1994) and 2 other predicates after a 96-day review. Its family tree reaches back 1 generation to 1989. 3 of the 208 devices in its family, counting itself, have a Class I recall. 204 later devices descend from it.

Decided
Mar 10, 1997
Review
96 days
Class
Class II
Product code
ITX
Recalls
None
Predicates
3

Its longest line of descent runs back 1 generation to K891453 (1989). 3 ancestors in all. 204 later devices descend from it, 1 citing it directly. 3 of the 208 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1995: 1 other ancestor1994: 1 other ancestor1999: 2 descendants cleared2005: 2 descendants cleared2007: 4 descendants cleared2009: 6 descendants cleared2001: 1 descendant cleared2003: 1 descendant cleared2004: 1 descendant cleared2013: 2 descendants cleared2021: 15 descendants cleared2012: 4 descendants cleared2015: 8 descendants cleared2016: 11 descendants cleared2011: 1 descendant cleared2014: 8 descendants cleared2022: 15 descendants cleared2010: 1 descendant cleared2008: 1 descendant cleared2020: 18 descendants cleared, 1 with a Class I recall12019: 12 descendants cleared2025: 25 descendants cleared, 2 with a Class I recall22023: 13 descendants cleared2018: 12 descendants cleared2017: 10 descendants cleared2026: 19 descendants cleared2024: 12 descendants clearedK891453 · Diagnostic Ultrasound Transducer: Pve-582V · Toshiba Medical Systems · 19891990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 2 other ancestors 1 generation forward: 1 descendant2 generations forward: 2 descendants3 generations forward: 4 descendants4 generations forward: 8 descendants5 generations forward: 11 descendants6 generations forward: 22 descendants7 generations forward: 28 descendants8 generations forward: 31 descendants, 1 with a Class I recall19 generations forward: 31 descendants10 generations forward: 22 descendants, 2 with a Class I recall211 generations forward: 14 descendants12 generations forward: 9 descendants13 generations forward: 6 descendants14 generations forward: 7 descendants15 generations forward: 4 descendants16 generations forward: 3 descendants17 generations forward: 1 descendant K891453 · Diagnostic Ultrasound Transducer: Pve-582V · Toshiba Medical Systems · 19890+5+10+15
  1. Root · 1 generation backK891453 Diagnostic Ultrasound Transducer: Pve-582VToshiba Medical Systems · 1989
  2. This deviceK964865 PVK-720ST Endocavitary TransducerToshiba America Medical Systems, In.C · 1997
  3. Descendant · cites it directly · 203 of its ownK991710 Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C · 1999
  4. Descendant · 2 generations on · 196 of its ownK994096 Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc. · 1999
  5. Descendant · 3 generations on · 135 of its ownK063761 Acuson P10 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007
  6. Descendant · 4 generations on · 130 of its ownK092756 GE Vscan Compact Diagnostic Ultrasound SystemGe Vingmed Ultrasound AS · 2009
  7. Descendant · 4 generations on · 107 of its ownK090505 Speq Ultrasound SystemSignostics Pty, Ltd. · 2009

Showing 5 of 204 descendants. See all descendants

Descendants cleared per year

1999: 22001: 12003: 12004: 12005: 22007: 42008: 12009: 62010: 12011: 12012: 42013: 22014: 82015: 82016: 112017: 102018: 122019: 122020: 182021: 152022: 152023: 132024: 122025: 252026: 19
1999high 25 (2025) · low 0 (2000)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 204 · See all
  • K991710Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C · 1999 · cites it directly203descendants
  • K994096Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc. · 1999 · 2 generations on196descendants
  • K063761Acuson P10 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2007 · 3 generations on135descendants
  • K092756GE Vscan Compact Diagnostic Ultrasound SystemGe Vingmed Ultrasound AS · 2009 · 4 generations on130descendants
  • K090505Speq Ultrasound SystemSignostics Pty, Ltd. · 2009 · 4 generations on107descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K891453Diagnostic Ultrasound Transducer: Pve-582VToshiba Medical Systems1989—
0 (this device)K964865PVK-720ST Endocavitary TransducerToshiba America Medical Systems, In.C1997—
+1K991710Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C1999—
+2K994096Sonoheart Hand-Carried Echocardiography SystemSonosite,Inc.1999—
+3K063761Acuson P10 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2007—
+4K092756GE Vscan Compact Diagnostic Ultrasound SystemGe Vingmed Ultrasound AS2009—
+4K090505Speq Ultrasound SystemSignostics Pty, Ltd.2009—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199510

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199920
200110
200310
200410
200520
200740
200810
200960
201010
201110
201240
201320
201480
201580
2016110
2017100
2018120
2019120
2020181
2021150
2022150
2023130
2024120
2025252
2026190
FIG. 1 — Lineage of K964865, 1989–2026Source: 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.

3 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
Get a 510(k) 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.

TypeNumberDeviceApplicantDecidedRecalls
*K933743SSA-380A
Summary page 1
…avitary Transducer will be used with the SSA-380A diagnostic ultrasound system, which was cleared for cardiac, fetal, small organ and peripheral vascular applications in K933743 and abdominal organ imaging in K943303. The SSA-380A system software and hardware is only upgraded to recognize the addition of t…
Toshiba America Medical Systems, In.C1994—
*K943303PVK-357AT
Summary page 1
…e SSA-380A diagnostic ultrasound system, which was cleared for cardiac, fetal, small organ and peripheral vascular applications in K933743 and abdominal organ imaging in K943303. The SSA-380A system software and hardware is only upgraded to recognize the addition of the PVK-720ST Endocavitary Transducer. N…
Toshiba America Medical Systems, In.C1995—
*K891453Diagnostic Ultrasound Transducer: Pve-582V
Summary page 1
…720ST Endocavitary Transducer is similar to the PVE- 582V endocavitary transducer that was cleared for transvaginal use with the SSA-270A diagnostic ultrasound system in K891453. The PVK-720ST follows the same software verification and validation procedures and employs the same general technology as that…
Toshiba Medical Systems1989—

Also cleared against K933743: 6 other devices →

What descends from it? (204)

See all 204

1 later device cites it directly; ranked here by how many devices descend from each in turn.

NumberDeviceApplicantDecidedDescendants
K991710Ssa-370A/Powervision 6000Toshiba America Medical Systems, In.C1999203

Has anything in its family been recalled? (3 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.

  • K193517ViziShot 2 FLEXOlympus Surgical Technologies America · 2020 · 8 generations on · ◆ in the 2020 descendants bar of FIG. 11 Class I recall
  • 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?

  • None of the 3 ancestors has a recall.
  • Of its descendants, K991710 (Toshiba America Medical Systems, In.C, 1999) has gone furthest, with 203 descendants of its own.
  • 6 other devices also cite its predicate K933743.

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—
Cite this page

510(k) Report. “K964865: PVK-720ST Endocavitary Transducer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K964865

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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