510(k) Report

510(k) · Cleared

Cleared

Eub-5500 Diagnostic Ultrasound Scanner

K032503510(k) SpecialCleared Aug 22, 20039-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

Hitachi Medical Systems America, Inc. · IYN System, Imaging, Pulsed Doppler, Ultrasonic

Cleared on Aug 22, 2003 after a 9-day review. The FDA summary names no predicate by number. 6 later devices descend from it.

Decided
Aug 22, 2003
Review
9 days
Class
Class II
Product code
IYN
Recalls
None
Predicates
0

6 later devices descend from it, 3 citing it directly.

Descendants, by year cleared 2004: 2 descendants cleared2006: 1 descendant cleared2009: 1 descendant cleared2013: 1 descendant cleared2024: 1 descendant cleared200020052010201520202025
  1. This deviceK032503 Eub-5500 Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc. · 2003
  2. Descendant · cites it directly · 4 of its ownK041395 EG-3630URPentax Precision Instrument Corp. · 2004
  3. Descendant · cites it directly · 3 of its ownK061068 EG-3670URKPentax Medical Company · 2006 · Recalled
  4. Descendant · 2 generations on · 2 of its ownK090196 EG-3670URKPentax Medical Company · 2009 · Recalled
  5. Descendant · 3 generations on · 1 of its ownK130206 Pentax EG-3670URK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013
  6. Descendant · 4 generations on · 0 of its ownK231813 Ultrasonic GastrovideoscopeSonoscape Medical Corp. · 2024

Showing 5 of 6 descendants. See all descendants

Descendants cleared per year

2004: 22006: 12009: 12013: 12024: 1
2004high 2 (2004) · low 0 (2005)2026

Most influential descendants

Showing 5 of 6 · See all
  • K041395EG-3630URPentax Precision Instrument Corp. · 2004 · cites it directly4descendants
  • K061068EG-3670URKPentax Medical Company · 2006 · cites it directly3descendants
  • K090196EG-3670URKPentax Medical Company · 2009 · 2 generations on2descendants
  • K130206Pentax EG-3670URK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc. · 2013 · 3 generations on1descendant
  • K231813Ultrasonic GastrovideoscopeSonoscape Medical Corp. · 2024 · 4 generations on0descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K032503Eub-5500 Diagnostic Ultrasound ScannerHitachi Medical Systems America, Inc.2003—
+1K041395EG-3630URPentax Precision Instrument Corp.2004—
+1K061068EG-3670URKPentax Medical Company20061
+2K090196EG-3670URKPentax Medical Company20091
+3K130206Pentax EG-3670URK Ultrasound Video Gastroscope + HI Vision PreirusPentax of America, Inc.2013—
+4K231813Ultrasonic GastrovideoscopeSonoscape Medical Corp.2024—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200420
200610
200910
201310
202410
FIG. 1 — Lineage of K032503, 2003–2024Source: 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 IYN? 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
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What was it cleared against?

The FDA summary names no predicate by number.

What descends from it? (6)

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

NumberDeviceApplicantDecidedDescendants
K041395EG-3630URPentax Precision Instrument Corp.20044
K061068EG-3670URKPentax Medical Company20063
K041397EG-3830UTPentax Precision Instrument Corp.20040

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?

  • Of its descendants, K041395 (Pentax Precision Instrument Corp., 2004) has gone furthest, with 4 descendants of its own.

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?

Diagnostic 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. “K032503: Eub-5500 Diagnostic Ultrasound Scanner.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K032503

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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