Biliary drains
MultiStage
A long, thin, flexible tube with an inflatable balloon at its distal tip intended to be used for gastrointestinal and/or biliary intraluminal dilation; it is typically used to endoscopically dilate strictures of the oesophagus, pylorus, colon and/or biliary tract. The balloon is inflated to its prescribed diameter to widen the affected passage of the tract. The device may consist of one or more lumen, may be of the fixed-wire or wire-guided type, and is not coated with a drug/pharmaceutical. This is a single-use device.
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Where to buy MultiStage
Contact Dongguan TT Medical, Inc. directly; they can quote, ship, or point you to the distributor for your country.
From ttmedicalinc.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.
MultiStage 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 |
|---|---|---|---|
| MSO-0630-08 | — | Not stated | Available |
| MSO-0630-17 | — | Not stated | Available |
| MSO-0630-23 | — | Not stated | Available |
| MSO-0655-08 | — | Not stated | Available |
| MSO-0655-17 | — | Not stated | Available |
| MSO-0655-23 | — | Not stated | Available |
| MSO-0830-17 | — | Not stated | Available |
| MSO-0830-23 | — | Not stated | Available |
| MSO-0855-08 | — | Not stated | Available |
| MSO-0855-17 | — | Not stated | Available |
| MSO-0855-23 | — | Not stated | Available |
| MSO-1030-08 | — | Not stated | Available |
| MSO-1030-17 | — | Not stated | Available |
| MSO-1055-08 | — | Not stated | Available |
| MSO-1055-17 | — | Not stated | Available |
| MSO-1055-23 | — | Not stated | Available |
| MSO-1230-08 | — | Not stated | Available |
| MSO-1230-17 | — | Not stated | Available |
| MSO-1230-23 | — | Not stated | Available |
| MSO-1255-08 | — | Not stated | Available |
| MSO-1255-17 | — | Not stated | Available |
| MSO-1255-23 | — | Not stated | Available |
| MSO-1530-08 | — | Not stated | Available |
| MSO-1530-17 | — | Not stated | Available |
| MSO-1530-23 | — | Not stated | Available |
| MSO-1555-08 | — | Not stated | Available |
| MSO-1555-17 | — | Not stated | Available |
| MSO-1555-23 | — | Not stated | Available |
| MSO-1830-08 | — | Not stated | Available |
| MSO-1830-17 | — | Not stated | Available |
| MSO-1830-23 | — | Not stated | Available |
| MSO-1855-08 | — | Not stated | Available |
| MSO-1855-17 | — | MR Safe | Available |
| MSO-1855-23 | — | Not stated | Available |
| MSW-0630-08 | — | Not stated | Available |
| MSW-0630-17 | — | Not stated | Available |
| MSW-0830-08 | — | Not stated | Available |
| MSW-0830-08 | — | Not stated | Available |
| MSW-0830-17 | — | Not stated | Available |
| MSW-1030-08 | — | Not stated | Available |
| MSW-1030-17 | — | Not stated | Available |
| MSW-1230-08 | — | Not stated | Available |
| MSW-1230-17 | — | Not stated | Available |
| MSW-1530-08 | — | Not stated | Available |
| MSW-1530-17 | — | Not stated | Available |
| MSW-1830-08 | — | Not stated | Available |
FDA clearances
- 510(k) K222663 March 2023
Procedures that use biliary drains
Frequently asked questions
What is MultiStage used for?
A long, thin, flexible tube with an inflatable balloon at its distal tip intended to be used for gastrointestinal and/or biliary intraluminal dilation; it is typically used to endoscopically dilate strictures of the oesophagus, pylorus, colon and/or biliary tract. The balloon is inflated to its prescribed diameter to widen the affected passage of the tract. The device may consist of one or more lumen, may be of the fixed-wire or wire-guided type, and is not coated with a drug/pharmaceutical. This is a single-use device.
Who makes MultiStage?
MultiStage is made by Dongguan TT Medical, Inc.. It is listed under biliary drainage catheters in our device library.
What sizes does MultiStage come in?
The FDA device database does not list sizes for MultiStage. Check the instructions for use or ask a Dongguan TT Medical, Inc. representative.
Is MultiStage MRI safe?
The FDA device database entry for MultiStage does not state its MRI safety status. Check the labeling before MRI.
Is MultiStage FDA cleared?
MultiStage is covered by FDA submission K222663.
How do I contact a Dongguan TT Medical, Inc. sales representative?
Dongguan TT Medical, Inc. has not listed representatives on LA Vascular yet. Visit the Dongguan TT Medical, Inc. 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.