G-tubes
Flow 20
A thin, flexible, percutaneous, hollow tube which may include additional external components (e.g., external tubing, syringe) intended to be percutaneously inserted into the stomach to feed a patient with a physical disability that prevents oral feeding (e.g., a birth defect of the stomach), and/or provide drainage/decompression of the stomach when it is necessary to bypass an obstruction of the stomach outlet into the small intestine. Although noninvasive disposable enteral feeding components may be included, surgical instruments and pharmaceutical agents are not included. This is a single-use device.
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Where to buy Flow 20
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.
Flow 20 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 |
|---|---|---|---|
| G22637 | — | Not stated | Available |
| G22638 | — | Not stated | Available |
| G22640 | — | Not stated | Available |
| G22759 | — | Not stated | Available |
| G22761 | — | Not stated | Available |
| G22762 | — | Not stated | Available |
| G31543 | — | Not stated | Available |
| G56403 | — | Not stated | Available |
FDA clearances
- 510(k) K920703 December 1993
Procedures that use g-tubes
Frequently asked questions
What is Flow 20 used for?
A thin, flexible, percutaneous, hollow tube which may include additional external components (e.g., external tubing, syringe) intended to be percutaneously inserted into the stomach to feed a patient with a physical disability that prevents oral feeding (e.g., a birth defect of the stomach), and/or provide drainage/decompression of the stomach when it is necessary to bypass an obstruction of the stomach outlet into the small intestine. Although noninvasive disposable enteral feeding components may be included, surgical instruments and pharmaceutical agents are not included. This is a single-use device.
Who makes Flow 20?
Flow 20 is made by Cook Incorporated. It is listed under gastrostomy and gj tubes in our device library.
What sizes does Flow 20 come in?
The FDA device database does not list sizes for Flow 20. Check the instructions for use or ask a Cook Incorporated representative.
Is Flow 20 MRI safe?
The FDA device database entry for Flow 20 does not state its MRI safety status. Check the labeling before MRI.
Is Flow 20 FDA cleared?
Flow 20 is covered by FDA submission K920703.
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.