510(k) Report

510(k) · Cleared

Cleared

Model DS-3300 Dynascope Patient Monitor

K894628510(k) TraditionalCleared Jan 8, 1990168-day reviewClass II21 CFR 870.1025

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

Fukuda Denshi USA, Inc. · DSI Detector And Alarm, Arrhythmia

Cleared on Jan 8, 1990 after a 168-day review. FDA has not posted a summary or statement for it, so its predicates are not known. 10 later devices descend from it.

Decided
Jan 8, 1990
Review
168 days
Class
Class II
Product code
DSI
Recalls
None
Predicates
0

10 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 1997: 3 descendants cleared2015: 2 descendants cleared2011: 1 descendant cleared2008: 1 descendant cleared2009: 1 descendant cleared2003: 1 descendant cleared2004: 1 descendant cleared1990200020102020
  1. This deviceK894628 Model DS-3300 Dynascope Patient MonitorFukuda Denshi USA, Inc. · 1990
  2. Descendant · cites it directly · 8 of its ownK964187 Fukada Denshi Dynascope Model DS-5300 Patient MonitorFukuda Denshi USA, Inc. · 1997
  3. Descendant · 2 generations on · 6 of its ownK971131 Fukuda Denshi Model DS-5100E Portable Patient MonitorFukuda Denshi USA, Inc. · 1997
  4. Descendant · 3 generations on · 5 of its ownK032290 Fukuda Denshi Dynascope Model DS-7100 Series Portable Patient MonitorFukuda Denshi USA, Inc. · 2003
  5. Descendant · 4 generations on · 4 of its ownK040246 Fukuda Denshi Dynascope Model DS-7141 Portable Patient MonitorFukuda Denshi USA, Inc. · 2004
  6. Descendant · 2 generations on · 3 of its ownK081891 Fukuda Denshi Dynascope Model DS-7000/7000M Patient MonitorFukuda Denshi USA, Inc. · 2008

Showing 5 of 10 descendants. See all descendants

Descendants cleared per year

1997: 32003: 12004: 12008: 12009: 12011: 12015: 2
1997high 3 (1997) · low 0 (1998)2026

Most influential descendants

Showing 5 of 10 · See all
  • K964187Fukada Denshi Dynascope Model DS-5300 Patient MonitorFukuda Denshi USA, Inc. · 1997 · cites it directly8descendants
  • K971131Fukuda Denshi Model DS-5100E Portable Patient MonitorFukuda Denshi USA, Inc. · 1997 · 2 generations on6descendants
  • K032290Fukuda Denshi Dynascope Model DS-7100 Series Portable Patient MonitorFukuda Denshi USA, Inc. · 2003 · 3 generations on5descendants
  • K040246Fukuda Denshi Dynascope Model DS-7141 Portable Patient MonitorFukuda Denshi USA, Inc. · 2004 · 4 generations on4descendants
  • K081891Fukuda Denshi Dynascope Model DS-7000/7000M Patient MonitorFukuda Denshi USA, Inc. · 2008 · 2 generations on3descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
0 (this device)K894628Model DS-3300 Dynascope Patient MonitorFukuda Denshi USA, Inc.1990—
+1K964187Fukada Denshi Dynascope Model DS-5300 Patient MonitorFukuda Denshi USA, Inc.1997—
+2K971131Fukuda Denshi Model DS-5100E Portable Patient MonitorFukuda Denshi USA, Inc.1997—
+3K032290Fukuda Denshi Dynascope Model DS-7100 Series Portable Patient MonitorFukuda Denshi USA, Inc.2003—
+4K040246Fukuda Denshi Dynascope Model DS-7141 Portable Patient MonitorFukuda Denshi USA, Inc.2004—
+2K081891Fukuda Denshi Dynascope Model DS-7000/7000M Patient MonitorFukuda Denshi USA, Inc.2008—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199730
200310
200410
200810
200910
201110
201520
FIG. 1 — Lineage of K894628, 1990–2015Source: 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), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.

Planning a device in DSI? 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 DSI device

  1. #1 K243349 BodyGuardian Remote Monitoring System (BGRMS…score 13.1 · 9 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?

FDA has not posted a summary or statement for it, so its predicates are not known.

What descends from it? (10)

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

NumberDeviceApplicantDecidedDescendants
K964187Fukada Denshi Dynascope Model DS-5300 Patient MonitorFukuda Denshi USA, Inc.19978
K970585Fukuda Denshi Dynascope Model DS-5800 Central Station MonitorFukuda Denshi USA, Inc.19970

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, K964187 (Fukuda Denshi USA, Inc., 1997) has gone furthest, with 8 descendants of its own.

How does its category compare?

All DSI devices

DSI Detector And Alarm, Arrhythmia: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DSI

1in 2025

2007: 72008: 52009: 62010: 62011: 62012: 32013: 12014: 42015: 92016: 62018: 22019: 32020: 22023: 22024: 12025: 12026 (partial year): 1
2007high 9 (2015) · low 0 (2017)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DSI

243in 2019

2007: 151 days median2008: 70 days median2009: 73 days median2010: 111 days median2011: 114 days median2012: 113 days median2014: 200 days median2015: 127 days median2016: 224 days median2019: 243 days median
2007high 243 (2019) · low 70 (2008)2026

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

Recalls per year · DSI

18in 2025

2007: 42008: 82009: 32010: 52011: 32012: 12018: 12019: 42020: 22022: 12023: 22025: 182026 (partial year): 1
2007high 18 (2025) · low 0 (2013)2026

Class I (0 since 2007) Class II/III not classified

Adverse event reports per year · DSI

712in 2025

2007: 642008: 1562009: 2792010: 8232011: 7932012: 7662013: 7952014: 1,0002015: 1,6452016: 4,3522017: 3,5942018: 3,6482019: 3,4852020: 3,0842021: 3,0922022: 1,6382023: 1,6162024: 1,3202025: 712
2007high 4,352 (2016) · low 64 (2007)2025

MAUDE reports naming product code DSI, 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
20077151464
20085708156
20096733279
201061115823
201161143793
201231131766
20131—0795
2014420001,000
2015912701,645
2016622404,352
20170—03,594
20182—13,648
2019324343,485
20202—23,084
20210—03,092
20220—11,638
20232—21,616
20241—01,320
20251—18712
20261—1—
Cite this page

510(k) Report. “K894628: Model DS-3300 Dynascope Patient Monitor.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K894628

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Record history
  • FDA decision record loaded May 2, 2026
  • Lineage and recalls computed Nov 3, 2026
  • Page last updated Nov 3, 2026