510(k) · Cleared
ClearedAcQCross Qx Integrated Transseptal Dilator/Needle
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Acutus Medical, Inc. · DYB Introducer, Catheter
Cleared on Apr 6, 2021 as substantially equivalent to K193509 (Acutus Medical, Inc., 2020) after a 29-day review. Its family tree reaches back 5 generations to 1997. 2 later devices descend from it.
- Decided
- Apr 6, 2021
- Review
- 29 days
- Class
- Class II
- Product code
- DYB
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 5 generations to K964518 (1997). 9 ancestors in all. 2 later devices descend from it, 2 citing it directly.
- Root · 5 generations backK964518 Fast-Cath Transseptal Catheter IntroducerDaig Corp. · 1997 · Recalled
- 4 generations backK042623 Agilis Steerable Catheter Introducer, Model 408304St. Jude Medical, Daig Division, Inc. · 2005 · Recalled
- 3 generations backK061363 Agilis NXT Steerable IntroducerSt Jude Medical · 2006 · Recalled
- 2 generations backK170373 Flextra Steerable IntroducerRhythm Xience, Inc. (Rxi) · 2017 · Recalled
- 1 generation backK193509 AcQGuide Flex with AcQCross QX, AcQGuide Mini with AcQCross QXAcutus Medical, Inc. · 2020
- This deviceK210685 AcQCross Qx Integrated Transseptal Dilator/NeedleAcutus Medical, Inc. · 2021
- Descendant · cites it directly · 0 of its ownK233691 FlexCath Cross Transseptal SolutionAcutus Medical, Inc. · 2023
- Descendant · cites it directly · 0 of its ownK220047 AcQCross Qx Integrated Transseptal Dilator/NeedleAcutus Medical, Inc. · 2022
Most influential descendants
Showing 2 of 2 · See allView FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −5 | K964518 | Fast-Cath Transseptal Catheter Introducer | Daig Corp. | 1997 | 4 |
| −4 | K042623 | Agilis Steerable Catheter Introducer, Model 408304 | St. Jude Medical, Daig Division, Inc. | 2005 | 1 |
| −3 | K061363 | Agilis NXT Steerable Introducer | St Jude Medical | 2006 | 1 |
| −2 | K170373 | Flextra Steerable Introducer | Rhythm Xience, Inc. (Rxi) | 2017 | 4 |
| −1 | K193509 | AcQGuide Flex with AcQCross QX, AcQGuide Mini with AcQCross QX | Acutus Medical, Inc. | 2020 | — |
| 0 (this device) | K210685 | AcQCross Qx Integrated Transseptal Dilator/Needle | Acutus Medical, Inc. | 2021 | — |
| +1 | K233691 | FlexCath Cross Transseptal Solution | Acutus Medical, Inc. | 2023 | — |
| +1 | K220047 | AcQCross Qx Integrated Transseptal Dilator/Needle | Acutus Medical, Inc. | 2022 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1998 | 1 | 0 |
| 2002 | 1 | 0 |
| 2005 | 1 | 0 |
| 2017 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2022 | 1 | 0 |
| 2023 | 1 | 0 |
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 DYB? 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 DYB device
- #1 K251051 AuST Steerable Sheathscore 18.0 · 10 generations · no Class I recall
- #2 Held for the reportin the report
- #3 Held for the reportin the report
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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K193509 | AcQGuide Flex with AcQCross QX, AcQGuide Mini with AcQCross QXSummary page 4…Table 5.3: Predicate Devices Predicate Device Manufacturer FDA 510(k) AcQGuide Catheter Introducer Acutus Medical K193509 Sets w/ AcQCrossTM X AcQCrossTM Qx was cleared under K193509, as part of the AcQGuide Catheter Introducer Sets (AcQGuide Flex® a… | 2020 |
| † | K170373 | Flextra Steerable Introducer | 2017 |
| † | K171081 | Guider Catheter Introducer | 2017 |
What descends from it? (2)
2 later devices cite it directly; ranked here by how many devices descend from each in turn.
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 24 years and passes through 5 companies; a new generation was cleared every 2.9 years on median.
- 5 of the 9 ancestors have a recall of any class.
- Of its descendants, K233691 (Acutus Medical, Inc., 2023) has gone furthest, with 0 descendants of its own.
How does its category compare?
All DYB devicesDYB Introducer, Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2021, this device’s year, is highlighted.
FDA decisions per year · DYB
16in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DYB
63in 2025
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DYB
3in 2025
Class I (48 since 2007) Class II/III not classified
Adverse event reports per year · DYB
4,539in 2025
MAUDE reports naming product code DYB, not matched to any one device; reports are not rates.
View these four charts as a table
| Year | Decisions | Median 510(k) review, days | Recalls (Class I) | MAUDE reports |
|---|---|---|---|---|
| 2007 | 12 | 95 | 15 | 316 |
| 2008 | 17 | 37 | 9 | 423 |
| 2009 | 14 | 52 | 25 | 399 |
| 2010 | 18 | 123 | 18 | 445 |
| 2011 | 17 | 100 | 4 | 628 |
| 2012 | 22 | 128 | 3 | 898 |
| 2013 | 26 | 118 | 5 (1) | 743 |
| 2014 | 30 | 122 | 2 | 780 |
| 2015 | 17 | 129 | 2 (1) | 913 |
| 2016 | 19 | 95 | 45 (3) | 1,234 |
| 2017 | 24 | 70 | 22 (1) | 1,672 |
| 2018 | 19 | 156 | 1 | 1,903 |
| 2019 | 18 | 47 | 2 | 2,450 |
| 2020 | 9 | 49 | 21 (21) | 2,465 |
| 2021 | 12 | 78 | 6 | 2,835 |
| 2022 | 13 | 143 | 2 | 4,084 |
| 2023 | 15 | 55 | 10 | 3,775 |
| 2024 | 18 | 56 | 2 | 3,931 |
| 2025 | 16 | 63 | 3 | 4,539 |
| 2026 | 17 | 59 | 23 (21) | — |
What is it indicated for?
The AcQCrossTM Qx Integrated Transseptal Dilator/Needle is indicated to puncture the interatrial septum to gain access to the left side of the heart whereby various cardiovascular catheters are introduced.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K210685 · printed Nov 6, 2026
Cite this page
510(k) Report. “K210685: AcQCross Qx Integrated Transseptal Dilator/Needle.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K210685
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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