During the creation of an ileostomy, a bridge device is systematically placed in an aim to reduce wound and peritoneal contamination by stools. Nevertheless no evidence was reported to justify this issue.

Moreover the placement of a bridge device increases the difficulty of nurse cares and is associated with its own morbidity.

Inclusion Criteria:

• colorectal disease (cancer; diverticulitis; Crohn disease; inflammatory bowel disease)
• requiring elective surgery with an ileostomy
• patient having given his consent before the enrollment

Exclusion Criteria:

• patient with early closure of the stoma (within 10 days after the colorectal surgery)
• long term corticoids
• emergency surgery
• history of stoma in the side of the stoma placement planned for the study
• BMI >50
• No signature of the consent to participate in the study
• Physical or mental state not allowing participation in the study
• Contraindication to surgery
• ASA classification (American Society of Anesthesiologists) IV-V or life expectancy <48h
• Pregnancy or breastfeeding
• Patient under guardianship or guardianship or patient deprived of liberty by a judicial or administrative decision (in accordance with articles L1121-6 and L1121-8 of the Public Health Code)
• Minor patient
• Patient without social protection

Peroperative exclusion criteria:

• no anastomosis
• no ileostomy
• Spontaneous stomal retraction