Cook products are dedicated to bold leadership in pioneering innovative medical solutions to enhance patient care worldwide. That's why Cook Medical offers the largest portfolio of catheters in the world. Catheters are generally necessary when a patient is unable to empty their bladder. If the bladder isn’t emptied, urine can build up and lead to pressure in the kidneys which can be dangerous and may result in permanent damage to the kidneys. To avoid this, it is important to use choose catheter brand that is of high standard, safe to use so your body will be free from any infections.