The study descripted of efficacy of IryPump®R Set in term of success of the procedure at each irrigation

Inclusion Criteria:

1. Patient is at least 18 years old,
2. Patient having signed an informed consent
3. Patient having neurologic or non neurologic bowel disorders, being initiated to TAI and practicing TAI with Peristeen® for the management of her/his bowel disorders, for at least 6 weeks, with satisfying results.
4. Patient practicing TAI on the basis of 1 procedure/ week as a minimum or more frequently
5. Patient capable to perform the procedure of transanal irrigation himself or with the help of a caregiver
6. Patient having a mental capacity to participate to the study (i.e. to understand the study and to answer to the questions)
7. Patient agrees to test IryPump® Set R for a time corresponding to 5 consecutive irrigations and a maximum of 4 weeks.
8. Patient covered by social security

Exclusion Criteria:

1. Patient with bowel obstruction
2. Patient already participating in another clinical study or who have previously participated in this investigation,
3. Pregnant or breast-feeding woman