UROtainer for Bladder Catheter Maintenance, Infection Prevention and Quality of Life

Inclusion Criteria: Citizen not previously flushed * A permanent catheter (suprapubic and urethral) * Male and female \> 18 years of age * Acute or previous catheter stop because of blocking or incrustations. * The pilot project does not include clogging due to incrustations * Voluntary consent to participate in the study, following a full explanation of the nature and purpose of the study, by signing the informed consent form approved by the Ethics Committee (EC) before all evaluations. Citizen previously flushed with NaCl or UroTainer® * A permanent catheter (suprapubic and urethral) * Male and female \> 18 years of age * Willingness to take a rinse break for a minimum of 4 weeks. In the event of 2 catheter stops during the flushing break, assessed on the basis of an urgent need for catheter flushing with NaCl or catheter change, the citizen can be included. * The pilot project does not include clogging due to incrustations * If there is no catheter stop during the rinsing break, the citizen will continue without rinsing until a possible catheter stop. * Voluntary consent to participate in the study, following a full explanation of the nature and purpose of the study, by signing the informed consent form approved by the Ethics Committee (EC) before all evaluations. Exclusion Criteria: * Urothelial cancer * Bladder and kidney stones requiring treatment * Age \< 18 years of age * Pregnant and / or breastfeeding women * Not able to understand Danish * Dementia, where relatives can / will not give consent * Simultaneous participation in another interventional clinical trial (drugs or medical devices studies)