Nephrostomy catheters
Ultraxx
A sterile, flexible tube intended to be inserted percutaneously into the renal pelvis to gain access to the upper urinary tract. This device consists of a large-bore (sizes from 14 to 24 Fr are typical), thin-walled tube usually with a self-retained tip; it sometimes has expanding wings on its tip. It is used to perform drainage for relief of supravesicular obstructions and may also be intended for a variety of procedures of the upper urinary tract including dilation of strictures, removal of calculi, perfusion with chemolytic agents for dissolution of renal stones, or ureteral stenting. This is a single-use device.
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Where to buy Ultraxx
Contact Cook Incorporated directly; they can quote, ship, or point you to the distributor for your country.
From cookmedical.com, checked October 2026.
No reply, or outside their markets? Send us a request and we route it to a rep or distributor for your country.
Ultraxx 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 |
|---|---|---|---|
| G30357 | — | Not stated | Available |
| G30358 | — | Not stated | Available |
| G30364 | — | Not stated | Available |
| G30365 | — | Not stated | Available |
| G46023 | — | Not stated | Available |
| G46024 | — | Not stated | Available |
| G46033 | — | Not stated | Available |
| G46034 | — | Not stated | Available |
| G46035 | — | Not stated | Available |
| G46036 | — | Not stated | Available |
| G46037 | — | Not stated | Available |
| G46038 | — | Not stated | Available |
| G47645 | — | Not stated | Available |
| G47646 | — | Not stated | Available |
| G47647 | — | Not stated | Available |
| G47648 | — | Not stated | Available |
| G47649 | — | Not stated | Available |
| G47658 | — | Not stated | Available |
| G57615 | — | Not stated | Available |
| G57616 | — | Not stated | Available |
| G57617 | — | Not stated | Available |
| G57618 | — | Not stated | Available |
| G57619 | — | Not stated | Available |
| G57620 | — | Not stated | Available |
Procedures that use nephrostomy catheters
Frequently asked questions
What is Ultraxx used for?
A sterile, flexible tube intended to be inserted percutaneously into the renal pelvis to gain access to the upper urinary tract. This device consists of a large-bore (sizes from 14 to 24 Fr are typical), thin-walled tube usually with a self-retained tip; it sometimes has expanding wings on its tip. It is used to perform drainage for relief of supravesicular obstructions and may also be intended for a variety of procedures of the upper urinary tract including dilation of strictures, removal of calculi, perfusion with chemolytic agents for dissolution of renal stones, or ureteral stenting. This is a single-use device.
Who makes Ultraxx?
Ultraxx is made by Cook Incorporated. It is listed under nephrostomy and nephroureteral catheters in our device library.
What sizes does Ultraxx come in?
The FDA device database does not list sizes for Ultraxx. Check the instructions for use or ask a Cook Incorporated representative.
Is Ultraxx MRI safe?
The FDA device database entry for Ultraxx does not state its MRI safety status. Check the labeling before MRI.
Is Ultraxx FDA cleared?
Ultraxx is registered in the FDA's Global Unique Device Identification Database (GUDID).
How do I contact a Cook Incorporated sales representative?
Cook Incorporated has not listed representatives on LA Vascular yet. Visit the Cook Incorporated 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.