The catheter is inserted through the urethra into the bladder. The balloon is then inflated by sterile water or, in case of a silicone balloon, by a 10% glycerine solution. Once the balloon is inflated, the catheter is prevented from coming out of the bladder and so stays in place.
A bladder should fill with urine and when a healthy capacity is reached, around 400-600 ml, should then completely empty. If the bladder does not empty, the urine left behind is called a residual amount of urine and can indicate retention of urine which means the bladder needs assistance to empty. There are many reasons why this might not happen and an indwelling catheter is needed needed – including, but not limited to*:
A Balloon Catheter should not be used transurethral if you have:
Products made of natural latex may cause allergic reactions.
Routine daily personal hygiene with soap and water is all that is needed to maintain meatal hygiene (*) Please follow the instructions given by your doctor or healthcare provider also regarding how to perform hand hygiene.
Drinking enough fluid dilutes the urine and helps reduce the risk of catheter encrustation and blockage. A good fluid intake also ensures a constant downward drainage and flushing effect (*). Drink liquids as directed: Ask your Doctor how much liquid to drink daily and which are the best ones for you.
Please contact your doctor immediately if you experience any of the following symptoms that your doctor had already warned you about:
(*) EAUN Guidelines „Catheterisation Indwelling Catheters in Adults – Urethral and Suprapubic”, 2012