Nephrostomy catheters
Lawson
A sterile, sharp bevel-edged, hollow tubular metal instrument designed to make the initial percutaneous puncture to access the kidney during nephrostomy catheter introduction for urinary drainage. It is intended to enable introduction of a guidewire (Seldinger technique); the therapeutic or diagnostic aspiration of fluids may be achieved during its placement. It may include an intraluminal stylet intended to add rigidity to the needle during introduction. This is a single-use device.
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Where to buy Lawson
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.
Lawson 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 |
|---|---|---|---|
| G14328 | — | Not stated | Available |
Procedures that use nephrostomy catheters
Frequently asked questions
What is Lawson used for?
A sterile, sharp bevel-edged, hollow tubular metal instrument designed to make the initial percutaneous puncture to access the kidney during nephrostomy catheter introduction for urinary drainage. It is intended to enable introduction of a guidewire (Seldinger technique); the therapeutic or diagnostic aspiration of fluids may be achieved during its placement. It may include an intraluminal stylet intended to add rigidity to the needle during introduction. This is a single-use device.
Who makes Lawson?
Lawson is made by Cook Incorporated. It is listed under nephrostomy and nephroureteral catheters in our device library.
What sizes does Lawson come in?
The FDA device database does not list sizes for Lawson. Check the instructions for use or ask a Cook Incorporated representative.
Is Lawson MRI safe?
The FDA device database entry for Lawson does not state its MRI safety status. Check the labeling before MRI.
Is Lawson FDA cleared?
Lawson 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.