Abstract: Cannula device (1) for endoscopic surgical operations comprising: a cylindrical body (2) having an axial direction (2a) and defining a tube (3), an upper base (4) defining an inlet (5) of the tube (3) and a lower base (6) defining an outlet (7) of the tube (3), the inlet (5) and the outlet (7) defining a diagonal (8) joining substantially diametrically opposite points of the inlet (5) and of the outlet (7), wherein the cylindrical body (2) is manually deformable, in a manner suitable to increase the angle (?) of intersection between the diagonal (8) and the axial direction (2a).

Abstract: An elevator device for an abdominal wall in videolaparoscopic surgical operations is provided, which comprises mechanical elements (8) for tensioning an abdominal wall (10) and movement means (2) for the mechanical tensioning elements (8), in which the mechanical tensioning elements (8) are embodied by shaped needles having sharpened ends (14a) adapted to be introduced into the subcutaneous tissue (9) of the abdominal wall (10), and in which the movement means (2) comprises raising members (6) and spacing members (28) to move the shaped needles (8) away from each other, adapted to carry out raising of the abdominal wall (10) and tensioning of same transversally of said raising.