Clinical Research Directory

Inclusion Criteria: * The patient must have given their free and informed consent and signed the consent form * The patient must be a member or beneficiary of a health insurance plan * The patient is undergoing ambulatory surgery for: * in orthopedics: shoulder (arthroscopy, abutment, prosthesis), hip (prosthesis, arthrolysis), knee (osteotomy, ligamentoplasty), ankle (prosthesis, ligamentoplasty) foot (hallux valgus); removal of major or multi-site equipment; * digestive (cholecystectomy, hernia repair, partial gastrectomy, colectomy, cleaning); * in gynecology (hysterectomy, oophorectomy, mastectomy, quadrantectomy, dissection, cystoplasty, sphincter); * in urology (total or partial resection of the prostate); * ENT (thyroidectomy, tonsillectomy); * Neurosurgery (herniated disc); * Vascular (stripping varix, creating fistula). * The patient has sufficient intellectual and cognitive capacity to use the devices * The patient must pass the test performed during the anesthesia consultation, namely: * open and connect the tablet, * activate the measurement of the blood pressure and the measurement of the oxygen saturation, * be connected to a 4G network Exclusion Criteria: * The subject is in a period of exclusion determined by a previous study * The subject refuses to sign the consent * It is impossible to give the subject informed information * The patient is under safeguard of justice or state guardianship * The patient is pregnant * The patient is undergoing emergency or minor surgery * Patient has a psychological class ASA 5 * Patient is non-eligible for ambulatory surgery for medical reasons (decompensated medical pathology) or social reasons according to the criteria defined by the société française anesthésie réanimation. Person lives alone or has a geographical distance from a hospital center\> 30 km (or\> 45 min by car). * Patient who doesn't classify for ambulatory surgery at time of discharge