sequela of catheterization

The catheter is a tube made of natural rubber, silicone rubber or polyvinyl chloride (PVC), which can be inserted into the bladder through the urethra to drain urine. After the catheter is inserted into the bladder, there is an air bag near the head end of the catheter to fix the catheter in the bladder, which is not easy to come out, and the drainage tube is connected to the urine bag to collect urine. The sequela of catheter insertion includes urinary tract infection and inflammation. Long-term catheterization may cause stricture of male urethra, and the bladder cannot be kept empty all the time. In this way, long-term catheterization may form a small bladder, and the urine storage volume will become smaller and smaller.