Study, for the first time in clinical conditions, the potential contribution, in terms of accuracy, of the motorised probe holder during prostate biopsies.

Inclusion Criteria:

• of-age patient
• patient for whom a prostate biopsies session is planned
• patient affiliated to the social security or equivalent
• patient having a target identified on MRI
• Written informed consent

Exclusion Criteria:

• contraindication
• patient wearing a mechatronic device
• patient concerned by the L1121-6 à 8 of the health public code