It is a procedure where a silicone tube with two openings is inserted between the external urethral meatus and the bladder, with therapeutic purposes according to the treating physician’s instructions. This procedure is performed by a healthcare practitioner who is well-versed in proper cleaning and sterilization techniques using sterilized and precise tools. Additionally, the healthcare practitioner documents the catheterization date, informs the physician about the urine quantity and color, and provides necessary instructions to the patient and their caregivers.