Tunneled dialysis catheters
Symetrex
An implantable, flexible, double-lumen tube intended to be used for chronic or long-term (> 30 days) vascular access, primarily during haemodialysis, to conduct blood from a patient and returning it after extracorporeal circulation; it may also be used during haemoperfusion and/or apheresis. It is intended for coaxial flow of blood, may be radiopaque, coated with heparin to prevent thrombus formation, and/or include a silver-coated sleeve to retard bacterial growth; devices dedicated to catheter introduction/function (e.g., introducer needle) may be included.
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Where to buy Symetrex
Contact Phase One Medical LLC directly; they can quote, ship, or point you to the distributor for your country.
From phaseonehealth.com, checked November 2026.
No reply, or outside their markets? Send us a request and we route it to a rep or distributor for your country.
Symetrex models and sizes
From the FDA Global Unique Device Identification Database. Confirm with the manufacturer's instructions for use.
| Model / catalog no. | Size | MRI | Status |
|---|---|---|---|
| R20019 | Catheter Gauge 15.5 Fr; Length 19 cm | Not stated | Available |
| R20023 | Catheter Gauge 15.5 Fr; Length 23 cm | Not stated | Available |
| R20028 | Catheter Gauge 15.5 Fr; Length 28 cm | Not stated | Available |
| R20033 | Catheter Gauge 15.5 Fr; Length 33 cm | Not stated | Available |
| S20019 | Catheter Gauge 15.5 Fr; Length 19 cm | Not stated | Available |
| S20023 | Catheter Gauge 15.5 Fr; Length 23 cm | Not stated | Available |
| S20028 | Catheter Gauge 15.5 Fr; Length 28 cm | Not stated | Available |
| S20033 | Catheter Gauge 15.5 Fr; Length 33 cm | Not stated | Available |
| S20037 | Catheter Gauge 15.5 Fr; Length 37 cm | Not stated | Available |
| S20042 | Catheter Gauge 15.5 Fr; Length 42 cm | Not stated | Available |
Procedures that use tunneled dialysis catheters
Frequently asked questions
What is Symetrex used for?
An implantable, flexible, double-lumen tube intended to be used for chronic or long-term (> 30 days) vascular access, primarily during haemodialysis, to conduct blood from a patient and returning it after extracorporeal circulation; it may also be used during haemoperfusion and/or apheresis. It is intended for coaxial flow of blood, may be radiopaque, coated with heparin to prevent thrombus formation, and/or include a silver-coated sleeve to retard bacterial growth; devices dedicated to catheter introduction/function (e.g., introducer needle) may be included.
Who makes Symetrex?
Symetrex is made by Phase One Medical LLC. It is listed under tunneled dialysis catheters (permcath) in our device library.
What sizes does Symetrex come in?
Sizes listed for Symetrex: Catheter Gauge: 15.5 Fr; Length: 19–42 cm. Confirm availability with the manufacturer's instructions for use.
Is Symetrex MRI safe?
The FDA device database entry for Symetrex does not state its MRI safety status. Check the labeling before MRI.
Is Symetrex FDA cleared?
Symetrex is registered in the FDA's Global Unique Device Identification Database (GUDID).
How do I contact a Phase One Medical LLC sales representative?
Phase One Medical LLC has not listed representatives on LA Vascular yet. Visit the Phase One Medical LLC company page for contact details.
Models, sizes and MRI status come from the FDA Global Unique Device Identification Database (GUDID); descriptions marked "provided by the manufacturer" are reviewed before publishing. Not an endorsement; follow the manufacturer's instructions for use.