510(k) Report

510(k) · Cleared

Cleared

The S-Vna 5-8(B) Diagnostic Ultrasound Transducer

K984639510(k) TraditionalCleared Jul 12, 1999193-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

Medison America, Inc. · ITX Transducer, Ultrasonic, Diagnostic

Cleared on Jul 12, 1999 as substantially equivalent to K974813 (Medison America, Inc., 1998) and 1 other predicate after a 193-day review. Its family tree reaches back 2 generations to 1997.

Decided
Jul 12, 1999
Review
193 days
Class
Class II
Product code
ITX
Recalls
None
Predicates
2

Its longest line of descent runs back 2 generations to K961459 (1997). 4 ancestors in all, the oldest K933743 (1994). No later device cites it as a predicate yet.

Other ancestors, by generation 1 generation back: 1 other ancestor2 generations back: 1 other ancestor K974269 · SA8800 Diagnostic Ultrasound System and Transducers, · Medison America, Inc. · 1998K961459 · Level 10 Hdi · Advanced Technology Laboratories, Inc. · 19970
  1. Root · 2 generations backK961459 Level 10 HdiAdvanced Technology Laboratories, Inc. · 1997
  2. 1 generation backK974269 SA8800 Diagnostic Ultrasound System and Transducers,Medison America, Inc. · 1998
  3. This deviceK984639 The S-Vna 5-8(B) Diagnostic Ultrasound TransducerMedison America, Inc. · 1999
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−2K961459Level 10 HdiAdvanced Technology Laboratories, Inc.1997—
−1K974269SA8800 Diagnostic Ultrasound System and Transducers,Medison America, Inc.1998—
0 (this device)K984639The S-Vna 5-8(B) Diagnostic Ultrasound TransducerMedison America, Inc.1999—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199410
199810
FIG. 1 — Lineage of K984639, 1997–1999Source: 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.

Planning a device in ITX? 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? (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
*K974813Combison 530D with Power Doppler Mode
Summary page 1
…: Medison America, Inc believes that S-VNA 5-8 and S-VNA 5-8(B) Ultrasound Transducers are substantially equivalent to the currently marketed C530D S-VDW 5-8 Transducer, K974813, 510(k) Summary of Safety and Effectiveness Page 1 K 9% 4¢ 39 510(k) Premarket Notification S-VNA 5-8(B) Diagno…
Medison America, Inc.1998—
*K974269SA8800 Diagnostic Ultrasound System and Transducers,
Summary page 2
…ness Page 1 K 9% 4¢ 39 510(k) Premarket Notification S-VNA 5-8(B) Diagnostic Ultrasound Transducer and the Medison SA8800/ATL HDI 1500 P7-4 Transducer, K974269. 4) General Ultrasound Scanner Device Description The Voluson C530D scanner (K940942) is a general purpose, mobile, software con…
Medison America, Inc.1998—
†K940942Combison 530 Diagnostic Ultrasound ScannerMedison America, Inc.1997—

Also cleared against K974813: 2 other devices →

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 2 years and passes through 2 companies; a new generation was cleared every 1.4 years on median.
  • None of the 4 ancestors has a recall.
  • 2 other devices also cite its predicate K974813.

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?

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

Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.

Cite this page

510(k) Report. “K984639: The S-Vna 5-8(B) Diagnostic Ultrasound Transducer.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K984639

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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