510(k) Report

510(k) · Cleared

Recalled · 2009

Acunav Diagnostic Ultrasound Catheter

K992631510(k) TraditionalCleared Dec 15, 1999131-day reviewClass II21 CFR 870.1200Recalls 1

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

Acuson Corp. · DQO Catheter, Intravascular, Diagnostic

Cleared on Dec 15, 1999 as substantially equivalent to K970049 (Cardiovascular Imaging Systems, Inc., 1997) and 1 other predicate after a 131-day review. Its family tree reaches back 1 generation to 1992. 3 of the 1,096 devices in its family, counting itself, have a Class I recall. 1,093 later devices descend from it. It has been recalled once.

Decided
Dec 15, 1999
Review
131 days
Class
Class II
Product code
DQO
Recalls
1
Predicates
2

Its longest line of descent runs back 1 generation to K921148 (1992). 2 ancestors in all. 1,093 later devices descend from it, 9 citing it directly. 3 of the 1,096 devices in this family, counting this one, have a Class I recall.

Other ancestors, by year clearedDescendants, by year cleared 1997: 1 other ancestor2005: 15 descendants cleared2007: 21 descendants cleared2004: 12 descendants cleared2017: 80 descendants cleared2002: 1 descendant cleared2011: 36 descendants cleared2008: 19 descendants cleared2006: 12 descendants cleared2003: 3 descendants cleared2010: 24 descendants cleared2009: 25 descendants cleared2014: 54 descendants cleared2012: 40 descendants cleared2015: 60 descendants cleared2016: 64 descendants cleared2018: 69 descendants cleared2013: 45 descendants cleared2025: 85 descendants cleared, 3 with a Class I recall32023: 60 descendants cleared2024: 68 descendants cleared2022: 61 descendants cleared2020: 77 descendants cleared2026: 56 descendants cleared2019: 50 descendants cleared2021: 56 descendants clearedK921148 · Cvis Insight Catheters for Intracardiac Use · Cardiovascular Imaging Systems, Inc. · 19921990200020102020
Other ancestors, by generationDescendants, by generation 1 generation back: 1 other ancestor 1 generation forward: 9 descendants2 generations forward: 14 descendants3 generations forward: 39 descendants4 generations forward: 75 descendants, 1 with a Class I recall15 generations forward: 76 descendants6 generations forward: 102 descendants7 generations forward: 115 descendants8 generations forward: 124 descendants9 generations forward: 127 descendants10 generations forward: 108 descendants11 generations forward: 96 descendants12 generations forward: 67 descendants, 2 with a Class I recall213 generations forward: 53 descendants14 generations forward: 31 descendants15 generations forward: 24 descendants16 generations forward: 16 descendants17 generations forward: 10 descendants18 generations forward: 5 descendants19 generations forward: 2 descendants K921148 · Cvis Insight Catheters for Intracardiac Use · Cardiovascular Imaging Systems, Inc. · 19920+5+10+15
  1. Root · 1 generation backK921148 Cvis Insight Catheters for Intracardiac UseCardiovascular Imaging Systems, Inc. · 1992
  2. This deviceK992631 Acunav Diagnostic Ultrasound CatheterAcuson Corp. · 1999
  3. Descendant · cites it directly · 1,069 of its ownK022567 Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002
  4. Descendant · 2 generations on · 1,003 of its ownK032114 Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003
  5. Descendant · 3 generations on · 988 of its ownK041319 Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004
  6. Descendant · 4 generations on · 979 of its ownK051139 Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005
  7. Descendant · 5 generations on · 972 of its ownK052410 Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005

Showing 5 of 1,093 descendants. See all descendants

Descendants cleared per year

2002: 12003: 32004: 122005: 152006: 122007: 212008: 192009: 252010: 242011: 362012: 402013: 452014: 542015: 602016: 642017: 802018: 692019: 502020: 772021: 562022: 612023: 602024: 682025: 852026: 56
2002high 85 (2025) · low 1 (2002)2026

Class I recalls in this family

Most influential descendants

Showing 5 of 1,093 · See all
  • K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp. · 2002 · cites it directly1,069descendants
  • K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2003 · 2 generations on1,003descendants
  • K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2004 · 3 generations on988descendants
  • K051139Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · 4 generations on979descendants
  • K052410Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc. · 2005 · 5 generations on972descendants
View FIG. 1 as a table

Line of descent and top descendants

GenerationNumberDeviceApplicantDecidedRecalls
−1K921148Cvis Insight Catheters for Intracardiac UseCardiovascular Imaging Systems, Inc.1992—
0 (this device)K992631Acunav Diagnostic Ultrasound CatheterAcuson Corp.1999—
+1K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.2002—
+2K032114Sequoia 8.0 Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2003—
+3K041319Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2004—
+4K051139Acuson Sequoia Diagnostic Ultrasound SystemSiemens Medical Solutions USA, Inc.2005—
+5K052410Acuson Sequoia Ultrasound SystemSiemens Medical Solutions USA, Inc.2005—

Other ancestors by year cleared

Year clearedDevicesWith a Class I recall
199710

Descendants by year cleared

Year clearedDevicesWith a Class I recall
200210
200330
2004120
2005150
2006120
2007210
2008190
2009250
2010240
2011360
2012400
2013450
2014540
2015600
2016640
2017800
2018690
2019500
2020770
2021560
2022610
2023600
2024680
2025853
2026560
FIG. 1 — Lineage of K992631, 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.

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 DQO device

  1. #1 K254278 Arterial Pressure Monitoring Set/Trayscore 14.4 · 2 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? (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
*K970049BSC, Sonicath Ultra Imaging Catheter 3.2F/20MHZ (37410/456221 & BSC, Sonicath Ultra…
Summary page 2
…ers--class II (21 C.F.R. §§ 870.1200 and 892.1570) Predicate Devices: 1. Boston Scientific Corporation’s Sonicath Ultra™ Imaging Catheter (9 Fr/ 9 MHz) (K970049), (used in conjunction with EP Technologies’ Galaxy Intravascular Ultrasound Imaging System (K980851)) 2. Cardiovascular Imaging…
Cardiovascular Imaging Systems, Inc.1997—
*K921148Cvis Insight Catheters for Intracardiac Use
Summary page 2
…with EP Technologies’ Galaxy Intravascular Ultrasound Imaging System (K980851)) 2. Cardiovascular Imaging Systems’ (CVIS) Insight Catheter for Intracardiac Use (10 Fr) (K921148). Device Description: The AcuNav is an ultrasound-tipped catheter device which is used directly within the vasculature and/or t…
Cardiovascular Imaging Systems, Inc.1992—

Also cleared against K970049: 4 other devices →

What descends from it? (1,093)

See all 1,093

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

NumberDeviceApplicantDecidedDescendants
K022567Sequoia Signature II Diagnostic Ultrasound SystemAcuson Corp.20021,069
K033650Acunav 90/10 Diagnostic Ultrasound CatheterSiemens Medical Solutions USA, Inc.2004945
K042593Acuson Acunav 8F Ultrasound CatheterSiemens Medical Solutions USA, Inc.2004930
K162789Foresight Intracardiac Echocardiology (ICE) SystemConavi Medical, Inc.20170
K070051Acumen Insight Endocardial Visualization SystemAcumen Medical, Inc.20070
K063076Reprocessed Diagnostic Ultrasound CatheterAscent Healthcare Solutions20070
K070011Ibi Inquiry Clearice Intracardiac Echocardiography Ultrasound Imaging CatheterIrvine Biomedical,Inc.(Ibi)20070
K033436Reprocessed Diagnostic Ultrasound CatheterAlliance Medical Corp.20050
K043453Sterilemed Reprocessed Ivus Imaging CatheterSterilmed, Inc.20050

Has anything in its family been recalled? (3 Class I)

Recalls of this device

DateClassRecallRoot causeReason
Mar 20, 2009Not classifiedZ-1745-2011Process designScreen Image Quality. An assembly issue on SwiftLink connectors may cause reduced/degraded image quality when using ACUSON AcuNav ultrasound catheter transducers.

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.

  • K250545Medline ReNewal Reprocessed Biosense Webster SOUNDSTAR eco Diagnostic Ultrasound Catheter (8F, 8FG, 10F, 10FG)Surgical Instrument Service and Savings, Inc. · 2025 · 4 generations on · ◆ in the 2025 descendants bar of FIG. 11 Class I recall
  • K242670Lumify Diagnostic Ultrasound SystemPhilips Ultrasound · 2025 · 12 generations on · ◆ in the 2025 descendants bar of FIG. 11 Class I recall
  • K242519Lumify Diagnostic Ultrasound SystemPhilips Ultrasound · 2025 · 12 generations on · ◆ in the 2025 descendants bar of FIG. 11 Class I recall

What does this lineage say?

  • None of the 2 ancestors has a recall.
  • Of its descendants, K022567 (Acuson Corp., 2002) has gone furthest, with 1,069 descendants of its own.
  • 4 other devices also cite its predicate K970049.

How does its category compare?

All DQO devices

DQO Catheter, Intravascular, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years.

FDA decisions per year · DQO

2in 2025

2007: 82008: 32009: 82010: 72011: 62012: 152013: 22014: 32015: 102016: 42017: 102018: 102019: 62020: 32021: 12022: 42023: 42024: 42025: 22026 (partial year): 3
2007high 15 (2012) · low 1 (2021)2026

2026 to Oct 25, outlined.

Median 510(k) review, days · DQO

148in 2024

2007: 106 days median2008: 80 days median2009: 58 days median2010: 137 days median2011: 74 days median2012: 94 days median2014: 109 days median2015: 209 days median2016: 89 days median2017: 176 days median2018: 234 days median2019: 113 days median2020: 30 days median2022: 181 days median2023: 73 days median2024: 148 days median2026 (partial year): 85 days median
2007high 234 (2018) · low 30 (2020)2026

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

Recalls per year · DQO

1in 2023

2007: 142008: 42009: 72010: 112011: 72012: 22013: 12015: 1, 1 Class I2016: 2, 1 Class I2017: 12018: 22019: 712020: 4, 4 Class I2022: 12023: 1, 1 Class I2026 (partial year): 24, 4 Class I
2007high 71 (2019) · low 0 (2014)2026

Class I (11 since 2007) Class II/III not classified

Adverse event reports per year · DQO

656in 2025

2007: 5642008: 7262009: 9332010: 5562011: 6252012: 5322013: 7532014: 6012015: 6282016: 6142017: 8732018: 7772019: 3862020: 3122021: 3382022: 3792023: 3912024: 5112025: 656
2007high 933 (2009) · low 312 (2020)2025

MAUDE reports naming product code DQO, 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
2007810614564
20083804726
20098587933
2010713711556
20116747625
201215942532
20132—1753
201431090601
2015102091 (1)628
20164892 (1)614
2017101761873
2018102342777
2019611371386
20203304 (4)312
20211—0338
202241811379
20234731 (1)391
202441480511
20252—0656
202638524 (4)—

What is it indicated for?

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

The AcuNav™ Diagnostic Ultrasound Catheter is intended for intra-cardiac and intra-luminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart. The AcuNav™ is intended for use in right heart only.

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

The AcuNav™ Diagnostic Ultrasound Catheter is intended for intra-cardiac and intra-luminal visualization of cardiac and great vessel anatomy and physiology as well as visualization of other devices in the heart. The AcuNav™ is intended for use in right heart only.

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. “K992631: Acunav Diagnostic Ultrasound Catheter.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 4, 2026. https://510kreport.com/device/K992631

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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