510(k) · Cleared
Recalled · Class II · 2016Syrex Pre-Filled Syringe
Data to Oct 25, 2026 (FDA decisions) Oct 12, 2026 (recalls) Sep 30, 2026 (MAUDE) refreshed weekly
Excelsior Medical Corp. · NZW Heparin, Vascular Access Flush
Cleared on May 13, 2003 after a 187-day review. FDA’s file for it is a 510(k) statement, which names no predicate. 2 of the 4 devices in its family, counting itself, have a Class I recall. 3 later devices descend from it. It has been recalled once.
- Decided
- May 13, 2003
- Review
- 187 days
- Class
- Class II
- Product code
- NZW
- Recalls
- 1
- Predicates
- 0
3 later devices descend from it, 3 citing it directly. 2 of the 4 devices in this family, counting this one, have a Class I recall.
- This deviceK023740 Syrex Pre-Filled SyringeExcelsior Medical Corp. · 2003
- Descendant · cites it directly · 1 of its ownK082689 Sterile Sodium Chloride 0.9% Flush, 5ML, 10ML, AmpuleSpectra Medical Devices, Inc. · 2009 · Recalled (Class I)
- Descendant · cites it directly · 0 of its ownK133446 Heparin Lock / Flush SyringesExcelsior Medical Corporation · 2014 · Recalled
- Descendant · cites it directly · 0 of its ownK103740 Sodium Chloride Injection, 0.9%, Usp 5 ML, 10 ML AmpuleSpectra Medical Devices, Inc. · 2011 · Recalled (Class I)
Class I recalls in this family
Most influential descendants
Showing 3 of 3 · See all- K082689Sterile Sodium Chloride 0.9% Flush, 5ML, 10ML, AmpuleSpectra Medical Devices, Inc. · 2009 · cites it directly1descendant
- K133446Heparin Lock / Flush SyringesExcelsior Medical Corporation · 2014 · cites it directly0descendants
- K103740Sodium Chloride Injection, 0.9%, Usp 5 ML, 10 ML AmpuleSpectra Medical Devices, Inc. · 2011 · cites it directly0descendants
View FIG. 1 as a table
Line of descent and top descendants
| Generation | Number | Device | Applicant | Decided | Recalls |
|---|---|---|---|---|---|
| 0 (this device) | K023740 | Syrex Pre-Filled Syringe | Excelsior Medical Corp. | 2003 | — |
| +1 | K082689 | Sterile Sodium Chloride 0.9% Flush, 5ML, 10ML, Ampule | Spectra Medical Devices, Inc. | 2009 | Class I |
| +1 | K133446 | Heparin Lock / Flush Syringes | Excelsior Medical Corporation | 2014 | 1 |
| +1 | K103740 | Sodium Chloride Injection, 0.9%, Usp 5 ML, 10 ML Ampule | Spectra Medical Devices, Inc. | 2011 | Class I |
Descendants by year cleared
| Year cleared | Devices | With a Class I recall |
|---|---|---|
| 2009 | 1 | 1 |
| 2011 | 1 | 1 |
| 2014 | 1 | 0 |
Sources: FDA 510(k) database (decision fields), the FDA 510(k) statement (indications), FDA recall and enforcement reports, and MAUDE; processed by 510(k) Report. Verify on FDA.gov · Methodology and accuracy.
2 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.
- Candidate predicates for a device like this, rankedin the report
- Recall history across each candidate’s familyin the report
What was it cleared against?
FDA’s file for it is a 510(k) statement, which names no predicate.
What descends from it? (3)
3 later devices cite it directly; ranked here by how many devices descend from each in turn.
Has anything in its family been recalled? (2 Class I)
Recalls of this device
| Date | Class | Recall | Root cause | Reason |
|---|---|---|---|---|
| Apr 28, 2016 | Class II | Z-1989-2016 | Nonconforming Material/Component | Certain lots of Heparin Lock Flush, USP Syringes (5 ml Fill in 10 ml Syringe) failed Anti-Factor IIa assay for potency during testing of retention samples for heparin potency. |
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.
- K082689Sterile Sodium Chloride 0.9% Flush, 5ML, 10ML, AmpuleSpectra Medical Devices, Inc. · 2009 · Cites it directly · ◆ in the 2009 descendants bar of FIG. 11 Class I recall
- K103740Sodium Chloride Injection, 0.9%, Usp 5 ML, 10 ML AmpuleSpectra Medical Devices, Inc. · 2011 · Cites it directly · ◆ in the 2011 descendants bar of FIG. 11 Class I recall
What does this lineage say?
- Of its descendants, K082689 (Spectra Medical Devices, Inc., 2009) has gone furthest, with 1 descendant of its own.
How does its category compare?
All NZW devicesNZW Heparin, Vascular Access Flush: FDA decisions, review times, recalls and adverse event reports over 20 years.
FDA decisions per year · NZW
1in 2017
2026 to Oct 25, outlined.
Median 510(k) review, days · NZW
Too few NZW 510(k)s in any year since 2007 to give a median.
Recalls per year · NZW
1in 2014
Class I (0 since 2007) Class II/III not classified
Adverse event reports per year · NZW
11in 2025
MAUDE reports naming product code NZW, 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 | 1 | — | 0 | 21 |
| 2008 | 0 | — | 22 | 291 |
| 2009 | 1 | — | 0 | 122 |
| 2010 | 2 | — | 3 | 194 |
| 2011 | 0 | — | 0 | 33 |
| 2012 | 0 | — | 1 | 9 |
| 2013 | 0 | — | 0 | 15 |
| 2014 | 1 | — | 1 | 8 |
| 2015 | 0 | — | 0 | 5 |
| 2016 | 0 | — | 0 | 0 |
| 2017 | 1 | — | 0 | 3 |
| 2018 | 0 | — | 0 | 19 |
| 2019 | 0 | — | 0 | 19 |
| 2020 | 0 | — | 0 | 3 |
| 2021 | 0 | — | 0 | 10 |
| 2022 | 0 | — | 0 | 14 |
| 2023 | 0 | — | 0 | 9 |
| 2024 | 0 | — | 0 | 10 |
| 2025 | 0 | — | 0 | 11 |
| 2026 | 0 | — | 0 | — |
What is it indicated for?
Flushing of IV catheters and IV tubing only. Prior to andafter administration of intermittent medication, entirely flush the catheter and or tubing with Heparin Lock Flush Solution, either USP 10 UnitslmL or USP 100 Units/mL. Use in accordance with any warning or precautions appropriate to medication being administered. lbis device is not to be used for anticoagulant therapy.
Protect from freezing and avoid excessive heat. Store at 25°C (77° F); excursions permitted to 15° - 30°C (59°-86°F)
Indications for use as stated in the FDA 510(k) statement.
https://510kreport.com/device/K023740 · printed Nov 6, 2026
Cite this page
510(k) Report. “K023740: Syrex Pre-Filled Syringe.” Lineage record from FDA 510(k) data and the FDA summary. Updated Nov 3, 2026. Accessed Nov 6, 2026. https://510kreport.com/device/K023740
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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