Multicenter and Open Pilot Clinical Study on the Safety of a New One-piece Convex Appliance in Patients With Enterostomy

Inclusion Criteria: * patient is at least 18 years old, * patient having a colostomy or an ileostomy for at least 1 month, * patient having a stoma's diameter inferior to 45 mm, * patient having a flat or flushed or slightly retracted stoma, * patient using currently a one-piece soft convex or standard ostomy appliance with closed or drainable bags, * patient using a minimum of 1 product per day with closed pouches or minimum 1 product per two days with drainable pouches * patient capable to apply and remove the pouch himself or with the help of a caregiver (except health care professional) * patient having a mental capacity to participate to the study (i.e. to understand the study and to answer to the questions) * patient agreeing to test investigational product during 14(±3) days. * patient covered by social security Exclusion Criteria: * patient experiencing repeated leakages with his current appliance, * patient receiving or having received, within the last month, chemotherapy or radiotherapy or corticotherapy, * patient having a deeply retracted stoma, * patient currently suffering from peristomal skin complications (bleeding or severe irritation or red and broken skin at the time of inclusion), * patient already participating in another clinical study or who have previously participated in this investigation, * pregnant or breast-feeding woman