Inclusion Criteria:

- age between 18 and 80 years

- patient able to give his informed consent

- No colorectal, intestinal inflammatory, ischemic or evolving infectious pathologies

- No signs of stenosis of small intestine or colon

- No contraindication to anesthesia

- No participation to an other clinical study

- Patient with and indication to colonoscopy for searching of a colorectal neoplasia
during a screening program OR

- Patient for who a endoscopic following is required because of familial cases or
personal cases of polyps or colorectal cancer

Exclusion Criteria:

- Presence of symptoms evocating an occlusive pathology

- Recent complicated colic diverticulosis

- No informed consent

- pregnancy or no use of efficient contraception treatment

- Patient with a pace-maker or others internal medical electronic device

- Evolved nephric or cardiac insufficiencies

- Hypersensibility to Fleet Phospho Soda (or one of the excipient), bisacodyl (or
one of the excipient), motilium (or one of the excipient)

- Presence of a prolactinoma