510(k) · Cleared
ClearedAcQRef Introducer Sheath
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 Feb 6, 2018 as substantially equivalent to K043525 (Galt Medical Corp., 2005) and 1 other predicate after a 252-day review. Its family tree reaches back 7 generations to 1989. 1 later device descends from it.
- Decided
- Feb 6, 2018
- Review
- 252 days
- Class
- Class II
- Product code
- DYB
- Recalls
- None
- Predicates
- 2
Its longest line of descent runs back 7 generations to K893658 (1989). 53 ancestors in all, the oldest K760385 (1976). 1 later device descends from it, 1 citing it directly.
- Root · 7 generations backK893658 Percutaneous IntroducerMedamicus, Inc. · 1989
- 6 generations backK965167 Percutaneous Venous Introducer 10264Medamicus, Inc. · 1997
- 5 generations backK012130 Attain LDS 6216 Left-Heart Delivery SystemMedtronic Vascular · 2001
- 4 generations backK013517 10600 Deflectable Catheter System, Model 10600Medtronic Vascular · 2002
- 3 generations backK031211 Attain Prevail Steerable Catheter Set, Model 6228CTHMedtronic Vascular · 2003
- 2 generations backK052575 Luminary Cannulator Bideflectable Catheter with LumenSt Jude Medical · 2006
- 1 generation backK103083 Agilis ES Steerable IntroducerSt Jude Medical · 2011
- This deviceK171557 AcQRef Introducer SheathAcutus Medical, Inc. · 2018
- Descendant · cites it directly · 0 of its ownK192106 AcQRef Introducer SheathAcutus Medical, Inc. · 2019
Most influential descendants
Showing 1 of 1 · See all- K192106AcQRef Introducer SheathAcutus Medical, Inc. · 2019 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −7 | K893658 | Percutaneous Introducer | Medamicus, Inc. | 1989 | — |
| −6 | K965167 | Percutaneous Venous Introducer 10264 | Medamicus, Inc. | 1997 | — |
| −5 | K012130 | Attain LDS 6216 Left-Heart Delivery System | Medtronic Vascular | 2001 | — |
| −4 | K013517 | 10600 Deflectable Catheter System, Model 10600 | Medtronic Vascular | 2002 | — |
| −3 | K031211 | Attain Prevail Steerable Catheter Set, Model 6228CTH | Medtronic Vascular | 2003 | — |
| −2 | K052575 | Luminary Cannulator Bideflectable Catheter with Lumen | St Jude Medical | 2006 | — |
| −1 | K103083 | Agilis ES Steerable Introducer | St Jude Medical | 2011 | — |
| 0 (this device) | K171557 | AcQRef Introducer Sheath | Acutus Medical, Inc. | 2018 | — |
| +1 | K192106 | AcQRef Introducer Sheath | Acutus Medical, Inc. | 2019 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1980 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 0 |
| 2006 | 1 | 0 |
| 2008 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2019 | 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? (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.
| Type | Number | Device | Decided |
|---|---|---|---|
| * | K043525 | Catheter IntroducerSummary page 5…antial equivalence of the AcQRef Introducer Sheath is the Galt Medical Corp. Catheter Introducer, marketed as the Hemostasis Valve Catheter Introducer Set, cleared under K043525. This 510(k) is also citing the St. Jude Agilis ES Steerable Introducer cleared under K103083 as a secondary predicate (reference… | 2005 |
| * | K103083 | Agilis ES Steerable IntroducerSummary page 5…er, marketed as the Hemostasis Valve Catheter Introducer Set, cleared under K043525. This 510(k) is also citing the St. Jude Agilis ES Steerable Introducer cleared under K103083 as a secondary predicate (reference device). DEVICE DESCRIPTION [807.92(a)(4)] The Acutus Medical AcQRef Introducer Sheath is a… | 2011 |
What descends from it? (1)
1 later device cites it directly; ranked here by how many devices descend from each in turn.
| Number | Device | Decided | Descendants |
|---|---|---|---|
| K192106 | AcQRef Introducer Sheath | 2019 | 0 |
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 29 years and passes through 4 companies; a new generation was cleared every 4.1 years on median.
- 13 of the 53 ancestors have a recall of any class.
- Of its descendants, K192106 (Acutus Medical, Inc., 2019) has gone furthest, with 0 descendants of its own.
- 4 other devices also cite its predicate K043525.
How does its category compare?
All DYB devicesDYB Introducer, Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years. 2018, 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 Acutus Medical AcQRef Introducer Sheath is indicated for use in percutaneous procedures to facilitate venous access from the lower extremities for introduction of catheters and other devices, and may be used to sense intravenous signals.
Indications for use read by OCR from a scanned FDA summary, so letters may be misread. Check the PDF before quoting it.
https://510kreport.com/device/K171557 · printed Nov 6, 2026
Cite this page
510(k) Report. “K171557: AcQRef Introducer Sheath.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K171557
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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