The invention concerns an assembly comprising a suction device suitable for being placed on an incision and/or a wound of a patient (P) in order to sanitise and/or dry said incision or said wound, said device comprising a surgical drape (1) consisting of: - an outer layer (3) comprising a top face (3a) and a bottom face (3b), said top face (3a) being impermeable, - an inner layer (4), made of non-woven sterile material, comprising a top face (4a) and a bottom face (4b), said bottom face (4b) being arranged so as to come into contact with the wound and/or the incision, characterised in that: - the surgical drape (1) is suitable for being wound around a limb or around the body of the patient, - a suction area (6a, 6b, 6c) having cavities is arranged between the bottom face (3b) of the outer layer (3) and the top face (4b) of the inner layer (4), the periphery (9) of said suction area (6a, 6b, 6c) being sealed, - a discharge tube (7) is connected to the suction area (6a, 6b, 6c), said tube (7) ending at an end piece intended to be connected to a member (8) for creating a suction vacuum in the suction area (6a, 6b, 6c), - the suction member (8) is a portable or mobile system for recovering autologous blood.L'invention concerne un ensemble comportant un dispositif aspirant adapté pour être placé sur une incision et/ou une plaie d'un patient (P) pour assainir et/ou assécher ladite incision ou ladite plaie, ledit dispositif comportant un champ opératoire (1) composé : - d'une couche externe (3) comportant une face supérieure (3a) et une face inférieure (3b), ladite face supérieure (3a) étant imperméable, - d'une couche interne (4), en matériau stérile non-tissé, comportant une face supérieure (4a) et une face inférieure (4b), laquelle face inférieure (4b) est aménagée de manière à venir au contact de la plaie et/ou de l'incision, caractérisé en ce que : - le champ opératoire (1) est adapté pour être enroulé autour d'un membre ou autour du corps du patient, - une zone aspir