Nephrostomy catheters
Trious
by Shenzhen Trious Medical Technology Co., Ltd
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 Trious
Contact Shenzhen Trious Medical Technology Co., Ltd directly; they can quote, ship, or point you to the distributor for your country.
From triousmed.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.
Trious 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 |
|---|---|---|---|
| 206PT18DG | — | Not stated | Available |
| 206PT20JY | — | Not stated | Available |
FDA clearances
- 510(k) K250448 July 2025
Procedures that use nephrostomy catheters
Frequently asked questions
What is Trious 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 Trious?
Trious is made by Shenzhen Trious Medical Technology Co., Ltd. It is listed under nephrostomy and nephroureteral catheters in our device library.
What sizes does Trious come in?
The FDA device database does not list sizes for Trious. Check the instructions for use or ask a Shenzhen Trious Medical Technology Co., Ltd representative.
Is Trious MRI safe?
The FDA device database entry for Trious does not state its MRI safety status. Check the labeling before MRI.
Is Trious FDA cleared?
Trious is covered by FDA submission K250448.
How do I contact a Shenzhen Trious Medical Technology Co., Ltd sales representative?
Shenzhen Trious Medical Technology Co., Ltd has not listed representatives on LA Vascular yet. Visit the Shenzhen Trious Medical Technology Co., Ltd 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.