Intraluminal contamination occurs by ascent of bacteria from a contaminated catheter, drainage tube, or urine drainage bag. Microorganisms can migrate up the catheter into the bladder within 1 to 3 ...

Holes were bored into the sides of the catheter to allow for drainage. Coudé tip catheters were developed in the 18th and 19th centuries to facilitate male catheterization and continue to be used for ...