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UMD: External urinary catheters designed to drain urine from outside the body instead of within the bladder (i.e., external use) in males. These catheters consist of a plastic condom ending in an open tube that is attached to a drainage bag through a connecting tube. The diameter of the condom is chosen to match the diameter of the penis; they may be self-adhesive or attached by pressure. External-drainage urinary catheters are mostly used for urinary incontinence management in patients who can void spontaneously but do not retain urine.
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