# K061497: Syrex Heparin Lock Flush Syringe, 1 Unit/ML & 2 Units/ML

- Pathway: 510(k) (Traditional)
- Applicant: Excelsior Medical Corp.
- Decided: Feb 23, 2007 after 268 days
- Product code: NZW (Heparin, Vascular Access Flush)
- Device class: 2
- Regulation: 21 CFR 880.5200
- Recalls of this device: 13 (0 Class I)
- Data: FDA decisions to Oct 25, 2026; recalls to Oct 12, 2026

## Lineage
No predicates in its family tree.
1 later device descends from it; 1 cites it directly.
0 of 2 devices in its family (counting itself) have a Class I recall.

## Predicates on the family tree (from the FDA summary)
- None. The FDA summary names its predicate without a number.
- (no number) Medefil 1 U/ml Flush Syringe: named in the summary without a submission number
- (no number) Hospital pharmacy filled 1 U/ml Flush Syringe: named in the summary without a submission number

## Most influential descendants
- K133446: Heparin Lock / Flush Syringes (2014), 0 descendants of its own

## Recalls of this device
- May 11, 2012 · Class II · Z-1799-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1808-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1803-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1801-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1802-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1797-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1798-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1807-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1806-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1804-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1805-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 11, 2012 · Class II · Z-1800-2012: Manufacturer issued a voluntary recall on multiple lots of VY(TM)Flush Heparin Lock Flush Syringes therefore Vygon has subsequently initiated a recall on Vygon branded Heparin Lock Flush Syringes and 
- May 7, 2012 · Not classified · Z-1707-2012: Some lots of Heparin Lock Flush, USP Syringes (3 mL fill in 10 ml syringe, 4 mL fill in 10 ml syringe, 5 mL fill in 10 ml and 6 ml in 10 ml syringe), failed Anti-Factor IIa assay for potency.

## Indications for use
Excelsior Medical Heparin Lock Flush Syringes (1Unit/ml and 2 Units/ml) are indicated for use in maintaining patency of vascular access devices designed for intermittent or infusion therapy. Prior to and after administration of intermittent medication, entirely flush the vascular access device with Heparin Lock Flush Solution, USP. Use in accordance with any warnings or precautions appropriate to medication being administered. This device is not to be used for anticoagulant therapy

Source page: https://510kreport.com/device/K061497
Methodology: https://510kreport.com/methodology
