510(k) Report

510(k) · Cleared

Cleared

Bladdermanager Pci 5000 / Bladderscan Bvi 5000

K955840510(k) TraditionalCleared May 24, 1996150-day reviewClass II21 CFR 892.1560

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

Diagnostic Ultrasound Corp. · IYO System, Imaging, Pulsed Echo, Ultrasonic

Cleared on May 24, 1996 as substantially equivalent to K915436 (Diagnostic Ultrasound Corp., 1992) after a 150-day review. Its family tree reaches back 1 generation to 1992. 49 later devices descend from it.

Decided
May 24, 1996
Review
150 days
Class
Class II
Product code
IYO
Recalls
None
Predicates
1

Its longest line of descent runs back 1 generation to K915436 (1992). 49 later devices descend from it, 2 citing it directly.

Descendants, by year cleared 2002: 1 descendant cleared1999: 1 descendant cleared2012: 2 descendants cleared2003: 1 descendant cleared2007: 1 descendant cleared2009: 4 descendants cleared2010: 1 descendant cleared2013: 2 descendants cleared2017: 4 descendants cleared2015: 1 descendant cleared2008: 1 descendant cleared2014: 1 descendant cleared2016: 2 descendants cleared2011: 1 descendant cleared2019: 3 descendants cleared2018: 3 descendants cleared2020: 5 descendants cleared2023: 2 descendants cleared2025: 2 descendants cleared2024: 1 descendant cleared2022: 3 descendants cleared2026: 5 descendants cleared2021: 2 descendants clearedK915436 · Bladderscan Bvi 2500 · Diagnostic Ultrasound Corp. · 19921990200020102020
Descendants, by generation 1 generation forward: 2 descendants2 generations forward: 3 descendants3 generations forward: 11 descendants4 generations forward: 10 descendants5 generations forward: 15 descendants6 generations forward: 6 descendants7 generations forward: 2 descendants K915436 · Bladderscan Bvi 2500 · Diagnostic Ultrasound Corp. · 19920+5
  1. Root · 1 generation backK915436 Bladderscan Bvi 2500Diagnostic Ultrasound Corp. · 1992
  2. This deviceK955840 Bladdermanager Pci 5000 / Bladderscan Bvi 5000Diagnostic Ultrasound Corp. · 1996
  3. Descendant · cites it directly · 47 of its ownK022153 Bladderscan Bvi 6100Diagnostic Ultrasound Corp. · 2002 · Recalled
  4. Descendant · 2 generations on · 45 of its ownK071217 Bladderscan Bvi 9400 UltrasoundVerathon Incorporated · 2007 · Recalled
  5. Descendant · 3 generations on · 16 of its ownK091518 Cubescan Biocon-500 Diagnostic Ultrasound SystemMcube Technology Co., Ltd. · 2009
  6. Descendant · 3 generations on · 13 of its ownK111021 Cubescan / Biocon-700Mcube Technology Co., Ltd. · 2011
  7. Descendant · 4 generations on · 7 of its ownK131227 Padscan HD Series Bladder ScannerCarenoso Technology Co., Ltd. · 2013

Showing 5 of 49 descendants. See all descendants

Descendants cleared per year

1999: 12002: 12003: 12007: 12008: 12009: 42010: 12011: 12012: 22013: 22014: 12015: 12016: 22017: 42018: 32019: 32020: 52021: 22022: 32023: 22024: 12025: 22026: 5
1999high 5 (2020) · low 0 (2000)2026

Most influential descendants

Showing 5 of 49 · See all
  • K022153Bladderscan Bvi 6100Diagnostic Ultrasound Corp. · 2002 · cites it directly47descendants
  • K071217Bladderscan Bvi 9400 UltrasoundVerathon Incorporated · 2007 · 2 generations on45descendants
  • K091518Cubescan Biocon-500 Diagnostic Ultrasound SystemMcube Technology Co., Ltd. · 2009 · 3 generations on16descendants
  • K111021Cubescan / Biocon-700Mcube Technology Co., Ltd. · 2011 · 3 generations on13descendants
  • K131227Padscan HD Series Bladder ScannerCarenoso Technology Co., Ltd. · 2013 · 4 generations on7descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K915436Bladderscan Bvi 2500Diagnostic Ultrasound Corp.1992—
0 (this device)K955840Bladdermanager Pci 5000 / Bladderscan Bvi 5000Diagnostic Ultrasound Corp.1996—
+1K022153Bladderscan Bvi 6100Diagnostic Ultrasound Corp.20021
+2K071217Bladderscan Bvi 9400 UltrasoundVerathon Incorporated20071
+3K091518Cubescan Biocon-500 Diagnostic Ultrasound SystemMcube Technology Co., Ltd.2009—
+3K111021Cubescan / Biocon-700Mcube Technology Co., Ltd.2011—
+4K131227Padscan HD Series Bladder ScannerCarenoso Technology Co., Ltd.2013—

Descendants by year cleared

Year clearedDevicesWith a Class I recall
199910
200210
200310
200710
200810
200940
201010
201110
201220
201320
201410
201510
201620
201740
201830
201930
202050
202120
202230
202320
202410
202520
202650
FIG. 1 — Lineage of K955840, 1992–2026Source: 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.

Planning a device in IYO? 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 IYO device

  1. #1 K243937 Accuro 3Sscore 20.5 · 18 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? (1)

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
*K915436Bladderscan Bvi 2500
Summary page 1
…nic Bladder Volume Instrument Classification Name System, Imaging, Pulsed Echo, Ultrasonic Predicate Device Diagnostic Ultrasound Corporation’s BladderScan™ BVI 2500 (K 915436) Corporate Headquarters Canadian Office European Office b Yottt dreet 13500 Mayrest W, st 10 Lagedijk 14 ! TOWA BN Richmond, BC…
Diagnostic Ultrasound Corp.1992—

Also cleared against K915436: 2 other devices →

What descends from it? (49)

See all 49

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

NumberDeviceApplicantDecidedDescendants
K022153Bladderscan Bvi 6100Diagnostic Ultrasound Corp.200247
K982568Bladdermanager Pci 5000 Model 1002Diagnostic Ultrasound Corp.19990

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?

  • Its one ancestor has no recall.
  • Of its descendants, K022153 (Diagnostic Ultrasound Corp., 2002) has gone furthest, with 47 descendants of its own.
  • 2 other devices also cite its predicate K915436.

How does its category compare?

All IYO devices

IYO System, Imaging, Pulsed Echo, Ultrasonic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · IYO

7in 2025

2007: 202008: 142009: 132010: 152011: 112012: 152013: 172014: 142015: 192016: 102017: 192018: 142019: 132020: 112021: 152022: 52023: 112024: 102025: 72026 (partial year): 10
2007high 20 (2007) · low 5 (2022)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · IYO

171in 2025

2007: 17 days median2008: 36 days median2009: 79 days median2010: 113 days median2011: 69 days median2012: 68 days median2013: 50 days median2014: 63 days median2015: 46 days median2016: 36 days median2017: 72 days median2018: 56 days median2019: 59 days median2020: 57 days median2021: 64 days median2022: 190 days median2023: 177 days median2024: 220 days median2025: 171 days median2026 (partial year): 139 days median
2007high 220 (2024) · low 17 (2007)2026

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

Recalls per year · IYO

1in 2022

2007: 42008: 52009: 92010: 82012: 22013: 32014: 22015: 12018: 12019: 12021: 112022: 12026 (partial year): 1
2007high 11 (2021) · low 0 (2011)2026

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

Adverse event reports per year · IYO

485in 2025

2007: 392008: 202009: 272010: 202011: 582012: 782013: 4362014: 3042015: 2682016: 2542017: 2382018: 3682019: 5372020: 4982021: 6172022: 5112023: 5272024: 6402025: 485
2007high 640 (2024) · low 20 (2008)2025

MAUDE reports naming product code IYO, 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
20072017439
20081436520
20091379927
201015113820
20111169058
20121568278
201317503436
201414632304
201519461268
201610360254
201719720238
201814561368
201913591537
202011570498
2021156411617
202251901511
2023111770527
2024102200640
202571710485
2026101391—

What is it indicated for?

project ultrasound energy through the lower abdomen of the non-pregnant patient to obtain an image of the bladder that is used to determine bladder volume non-invasively.

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. “K955840: Bladdermanager Pci 5000 / Bladderscan Bvi 5000.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K955840

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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