510(k) · Cleared
Recalled · 2005Lysus Infusion System
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Ekos Corp. · QEY Mechanical Thrombolysis Catheter
Cleared on Sep 23, 2004 as substantially equivalent to K041629 (Ekos Corp., 2004) after a 13-day review. Its family tree reaches back 9 generations to 1990. 38 later devices descend from it. It has been recalled 3 times.
- Decided
- Sep 23, 2004
- Review
- 13 days
- Class
- Class II
- Product code
- QEY
- Recalls
- 3
- Predicates
- 1
Its longest line of descent runs back 9 generations to K904788 (1990). 21 ancestors in all. 38 later devices descend from it, 3 citing it directly.
- Root · 9 generations backK904788 Mewissen CatheterBoston Scientific Corp · 1990
- 5 generations between
- 3 generations backK030637 Ekos Peripheral Infusion SystemEkos Corp. · 2003
- 2 generations backK033214 Ekos Peripheral Infusion SystemEkos Corp. · 2003
- 1 generation backK041629 Lysus Infusion SystemEkos Corp. · 2004
- This deviceK042456 Lysus Infusion SystemEkos Corp. · 2004
- Descendant · cites it directly · 35 of its ownK051319 Lysus Infusion SystemEkos Corp. · 2005
- Descendant · 2 generations on · 34 of its ownK052071 Lysus Infusion SystemEkos Corp. · 2005
- Descendant · 3 generations on · 27 of its ownK060422 Lysus Infusion SystemEkos Corp. · 2006 · Recalled
- Descendant · 3 generations on · 17 of its ownK060084 Lysus Infusion SystemEkos Corp. · 2006
- Descendant · 4 generations on · 14 of its ownK062508 Neurowave Micro-Infusion SystemEkos Corp. · 2006
Show all 9 generations
- Root · 9 generations backK904788 Mewissen CatheterBoston Scientific Corp · 1990
- 8 generations backK974067 Fountain Infusion Catheter and Occluding Guide WireMerit Medical Systems, Inc. · 1998 · Recalled
- 7 generations backK981417 Squirt Fluid Delivery SystemMerit Medical Systems, Inc. · 1998
- 6 generations backK013635 Trellis Infusion System (10CM Infusion Length); Trellis Infusion…Bacchus Vascular, Inc. · 2002
- 5 generations backK021958 Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion…Bacchus Vascular, Inc. · 2002 · Recalled
- 4 generations backK023514 Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM…Bacchus Vascular, Inc. · 2002 · Recalled
- 3 generations backK030637 Ekos Peripheral Infusion SystemEkos Corp. · 2003
- 2 generations backK033214 Ekos Peripheral Infusion SystemEkos Corp. · 2003
- 1 generation backK041629 Lysus Infusion SystemEkos Corp. · 2004
- This deviceK042456 Lysus Infusion SystemEkos Corp. · 2004
Showing 5 of 38 descendants. See all descendants
Descendants cleared per year
Most influential descendants
Showing 5 of 38 · See all- K051319Lysus Infusion SystemEkos Corp. · 2005 · cites it directly35descendants
- K052071Lysus Infusion SystemEkos Corp. · 2005 · 2 generations on34descendants
- K060422Lysus Infusion SystemEkos Corp. · 2006 · 3 generations on27descendants
- K060084Lysus Infusion SystemEkos Corp. · 2006 · 3 generations on17descendants
- K062508Neurowave Micro-Infusion SystemEkos Corp. · 2006 · 4 generations on14descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −9 | K904788 | Mewissen Catheter | Boston Scientific Corp | 1990 | — |
| −8 | K974067 | Fountain Infusion Catheter and Occluding Guide Wire | Merit Medical Systems, Inc. | 1998 | 23 |
| −7 | K981417 | Squirt Fluid Delivery System | Merit Medical Systems, Inc. | 1998 | — |
| −6 | K013635 | Trellis Infusion System (10CM Infusion Length); Trellis Infusion System (20CM… | Bacchus Vascular, Inc. | 2002 | — |
| −5 | K021958 | Trellis Plus Infusion System (140CM Catheter Length 10CM Infusion Length 20CM… | Bacchus Vascular, Inc. | 2002 | 1 |
| −4 | K023514 | Trellis-6 Peripheral Infusion System (140CM Catheter Length 10CM Infusion… | Bacchus Vascular, Inc. | 2002 | 1 |
| −3 | K030637 | Ekos Peripheral Infusion System | Ekos Corp. | 2003 | — |
| −2 | K033214 | Ekos Peripheral Infusion System | Ekos Corp. | 2003 | — |
| −1 | K041629 | Lysus Infusion System | Ekos Corp. | 2004 | — |
| 0 (this device) | K042456 | Lysus Infusion System | Ekos Corp. | 2004 | — |
| +1 | K051319 | Lysus Infusion System | Ekos Corp. | 2005 | — |
| +2 | K052071 | Lysus Infusion System | Ekos Corp. | 2005 | — |
| +3 | K060422 | Lysus Infusion System | Ekos Corp. | 2006 | 1 |
| +3 | K060084 | Lysus Infusion System | Ekos Corp. | 2006 | — |
| +4 | K062508 | Neurowave Micro-Infusion System | Ekos Corp. | 2006 | — |
Other ancestors by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 1991 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2003 | 1 | 0 |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2004 | 1 | 0 |
| 2005 | 3 | 0 |
| 2006 | 4 | 0 |
| 2007 | 3 | 0 |
| 2008 | 3 | 0 |
| 2011 | 1 | 0 |
| 2016 | 2 | 0 |
| 2018 | 2 | 0 |
| 2019 | 4 | 0 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 2 | 0 |
| 2024 | 4 | 0 |
| 2025 | 1 | 0 |
| 2026 | 4 | 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 QEY? 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 QEY device
- #1 K241851 Versus™ Catheter (VS110-8B)score 16.8 · 19 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 |
|---|---|---|---|
| * | K041629 | Lysus Infusion SystemSummary page 5…heter Proprietary Name: Lysus® Infusion System Name of Predicate Device: Lysus®M Infusion System 5 10(k) Reference No.: K041629 Device Description The system consists of a disposable infusion catheter with removable ultrasound core and an instrument that g… | 2004 |
What descends from it? (38)
See all 383 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)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Jan 18, 2005 | Not classified | Z-0175-06 | Other | Potential for a faulty thermal channel offset to be reported to the software causing faulty lower temperature values to be reported which allow a power increase. |
| Nov 22, 2004 | Not classified | Z-0111-06 | Other | During two separate procedures, the user experienced difficulty placing the EKOS ultrasound core (USC) into the EKOS drug delivery catheter (DDC) when transiting tight bend radii; specifically the aortic bifurcation. In one case, the USC… |
| Sep 21, 2004 | Not classified | Z-0110-06 | Other | The 100V board in the catheter interface cable pod failed during use. The PT-3 control unit would not recognize the catheter interface cable. |
No ancestor or descendant has a Class I recall.
What does this lineage say?
- The line of descent spans 14 years and passes through 4 companies; a new generation was cleared every 5 months on median.
- 6 of the 21 ancestors have a recall of any class.
- Of its descendants, K051319 (Ekos Corp., 2005) has gone furthest, with 35 descendants of its own.
- 1 other device also cites its predicate K041629.
How does its category compare?
All QEY devicesQEY Mechanical Thrombolysis Catheter: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · QEY
1in 2024
2026 to Oct 25, outlined.
Median 510(k) review, days · QEY
62in 2021
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · QEY
1in 2023
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · QEY
5in 2025
MAUDE reports naming product code QEY, 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 | 5 | 28 | 0 | 0 |
| 2008 | 4 | 54 | 0 | 0 |
| 2009 | 0 | — | 0 | 0 |
| 2010 | 0 | — | 0 | 0 |
| 2011 | 1 | — | 0 | 0 |
| 2012 | 0 | — | 0 | 0 |
| 2013 | 1 | — | 0 | 0 |
| 2014 | 1 | — | 0 | 0 |
| 2015 | 1 | — | 0 | 0 |
| 2016 | 2 | — | 0 | 0 |
| 2017 | 3 | 144 | 0 | 0 |
| 2018 | 1 | — | 0 | 0 |
| 2019 | 5 | 91 | 0 | 0 |
| 2020 | 3 | 158 | 0 | 0 |
| 2021 | 3 | 62 | 0 | 0 |
| 2022 | 1 | — | 1 | 0 |
| 2023 | 2 | — | 1 | 1 |
| 2024 | 1 | — | 0 | 1 |
| 2025 | 0 | — | 0 | 5 |
| 2026 | 2 | — | 0 | — |
What is it indicated for?
The Lysus® Infusion System is intended for the controlled and selective infusion of physician-specified fluids, including thrombolytics, into the peripheral vasculature.
Indications for use as stated in the FDA summary.
https://510kreport.com/device/K042456 · printed Nov 6, 2026
Cite this page
510(k) Report. “K042456: Lysus Infusion System.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K042456
Report an extraction error
Are you the manufacturer?
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