Catheter ea urinary ke tube e kenngoa ka har'a senya ka har'a urethra ho ntša moroto. Ka mor'a hore catheter e kenngoe ka har'a senya, ho na le balune haufi le hlooho ea catheter ho lokisa catheter The tube e lula ka har'a senya 'me ha ho bonolo ho tsoa,' me tube ea drainage e hokahane le mokotla oa moroto ho bokella moroto. Ho latela matrial a fapaneng, li-catheter tsa moroto li ka aroloa ka catheter ea tlhaho ea rabara, catheter ea rabara ea silicone kapa catheter ea polyvinyl chloride (catheter ea PVC).