Guide · Bladder care
Types of urinary catheters explained: straight, coudé, hydrophilic & closed-system
"Catheter" covers several designs, and the right one depends on your anatomy, dexterity, and infection risk. Here's how the common types differ.
Educational overview; coverage details verified against Medicare (CMS) sources.Educational information, not medical advice — talk with your physician about what's right for you.
Straight (uncoated) catheters
The most basic intermittent catheter — a plain, flexible tube used with separate lubricant. Simple and widely used when there are no special anatomical concerns.
Coudé-tip catheters
"Coudé" means bent — the tip has a slight curve that helps it pass an enlarged prostate or a narrowing (stricture) that a straight tip can't navigate easily. Often prescribed for men with prostate issues.
Hydrophilic (pre-lubricated) catheters
These have a slippery coating that activates with water, so no separate lubricant is needed. The smooth insertion can be gentler on the urethra and is often chosen to reduce irritation.
Closed-system (touch-free) kits
A pre-lubricated catheter enclosed in its own collection bag, designed so you never touch the catheter itself. These lower infection risk and are commonly used for people with spinal cord injuries or a history of urinary tract infections.
Sizing and length
Catheters come in different diameters (measured in French, or Fr) and lengths for adults and children, men and women. A clinician helps match the size for comfortable, effective drainage. Medicare covers the type and quantity that fit your documented needs.
We'll match the right catheter to your prescription and confirm coverage.
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Common questions
Does Medicare cover coudé and closed-system catheters?+
Yes, when medically necessary and documented — for example, closed-system catheters for people with a qualifying condition or recurrent infections. Coverage specifics are on our catheter coverage page.
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