510(k) · Cleared
ClearedMerit Marquis Flow Switch
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Merit Medical Systems, Inc. · DQO Catheter, Intravascular, Diagnostic
Cleared on Jul 1, 2011 as substantially equivalent to K913871 (Boston Scientific Corp, 1991) after a 119-day review. Its family tree reaches back 1 generation to 1991.
- Decided
- Jul 1, 2011
- Review
- 119 days
- Class
- Class II
- Product code
- DQO
- Recalls
- None
- Predicates
- 1
Its longest line of descent runs back 1 generation to K913871 (1991). No later device cites it as a predicate yet.
- Root · 1 generation backK913871 Floswitch (R) HPBoston Scientific Corp · 1991
- This deviceK110643 Merit Marquis Flow SwitchMerit Medical Systems, Inc. · 2011
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| −1 | K913871 | Floswitch (R) HP | Boston Scientific Corp | 1991 | — |
| 0 (this device) | K110643 | Merit Marquis Flow Switch | Merit Medical Systems, Inc. | 2011 | — |
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 DQO? 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 K254278 Arterial Pressure Monitoring Set/Trayscore 14.4 · 2 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 |
|---|---|---|---|
| * | K913871 | Floswitch (R) HPSummary page 4…, Manifold, Fitting, Cardiopulmonary Bypass Trade Name: FLOSWITCH(R) HP Predicate Classification Name: Catheter, intravascular, diagnostic Device Premarket Notification: K913871 Manufacturer: BOSTON SCIENTIFIC CORP. Class Il Classification FDA Product Code: DTL 21 CFR § 870.4290 Division of Cardiovascula… | 1991 |
What descends from it?
No later submission names this one as a predicate yet.
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.
- 1 other device also cites its predicate K913871.
How does its category compare?
All DQO devicesDQO Catheter, Intravascular, Diagnostic: FDA decisions, review times, recalls and adverse event reports over 20 years. 2011, this device’s year, is highlighted.
FDA decisions per year · DQO
2in 2025
2026 to Oct 25, outlined.
Median 510(k) review, days · DQO
148in 2024
Receipt to decision; years with fewer than 3 clearances left blank.
Recalls per year · DQO
1in 2023
Class I (11 since 2007) Class II/III not classified
Adverse event reports per year · DQO
656in 2025
MAUDE reports naming product code DQO, 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 | 8 | 106 | 14 | 564 |
| 2008 | 3 | 80 | 4 | 726 |
| 2009 | 8 | 58 | 7 | 933 |
| 2010 | 7 | 137 | 11 | 556 |
| 2011 | 6 | 74 | 7 | 625 |
| 2012 | 15 | 94 | 2 | 532 |
| 2013 | 2 | — | 1 | 753 |
| 2014 | 3 | 109 | 0 | 601 |
| 2015 | 10 | 209 | 1 (1) | 628 |
| 2016 | 4 | 89 | 2 (1) | 614 |
| 2017 | 10 | 176 | 1 | 873 |
| 2018 | 10 | 234 | 2 | 777 |
| 2019 | 6 | 113 | 71 | 386 |
| 2020 | 3 | 30 | 4 (4) | 312 |
| 2021 | 1 | — | 0 | 338 |
| 2022 | 4 | 181 | 1 | 379 |
| 2023 | 4 | 73 | 1 (1) | 391 |
| 2024 | 4 | 148 | 0 | 511 |
| 2025 | 2 | — | 0 | 656 |
| 2026 | 3 | 85 | 24 (4) | — |
What is it indicated for?
The Flow Switch is an anglographic accessory intended for use as an on-off device for angiography and other high pressure applications.
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/K110643 · printed Nov 3, 2026
Cite this page
510(k) Report. “K110643: Merit Marquis Flow Switch.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 3, 2026. https://510kreport.com/device/K110643
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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