Evaluation of a Novel Electronic Transanal Irrigation System - Navina™ Smart

Inclusion Criteria: 1. Provision of informed consent 2. Males and females, aged 18 years and over 3. Practice TAI since at least 2 months and at least two times per week 4. Able to read and fill out a paper PRO questionnaire as judged by the principal investigator or a sub-investigator Exclusion Criteria: 1. Any confirmed or suspected diagnosis of anal or rectal stenosis, active inflammatory bowel disease, acute diverticulitis, severe diverticulosis, colorectal cancer, ischemic colitis, history of life-threatening autonomic dysreflexia, bleeding disorders, unspecified peri-anal conditions 2. Untreated rectal impaction 3. Any radiotherapy to the pelvis 4. Any current treatment with anticoagulants (not including aspirin or clopidogrel) 5. Any current treatment with long-term systemic steroid medication (not including inhalation agents and/ or local topical treatment) 6. Any prior rectal or colonic surgery (not including anal procedures \>3 months ago, e.g. haemorrhoid excision) 7. Anal, rectal and/or colonic endoscopic polypectomy within the previous 4 weeks 8. Overt or planned pregnancy 9. Ongoing symptomatic urinary tract infection as judged by the principal investigator or a sub-investigator 10. Diagnosed psychiatric illness, considered as unstable by the principal investigator or a sub-investigator 11. Involvement in the planning and conduct of the study (applies to both Wellspect HealthCare staff and staff at the study site) 12. Previous enrolment in the present study 13. Participation in another clinical study within the last 30 days that may interfere with the present study