Treatment With Continuous Sub-cutaneous Insulin Infusion Via a Portable Pump Versus Discontinuous Insulin Infusion Via Multiple-injections in Type 2 Diabetes

Inclusion Criteria: * Persons who have provided written informed consent * Age \> 18 years * Patients with type 2 diabetes treated with insulin using a basal / bolus strategy for at least 6 months * Doses of insulin \> 0.7 U / Kg / d * HbA1c ≥ 7.5 % * Without OAD for at least 4 weeks (sulfamides, Incretines, glinides, acarbose) except Metformin * BMI ≥ 28.5 kg / m2 * Diabetes diagnosed for at least 10 years * Patients able to monitor themselves and manage an insulin pump. Exclusion Criteria: * Patients treated with glitazones during the 3 months preceding inclusion * Patients with proliferative ischemic retinopathy not treated by laser * BMI \< 28.5 kg / m2 * Presence of implantable material ( CI MRI ) * Pacemaker ( CI MRI ) * Pregnancy, breast feeding * Medically significant physical or psychiatric inability, patients under guardianship or wards of court * The practice of violent sports * Poor conditions of hygiene * Professional environment of extreme cold or heat.