Device for converting a surgical instrument into a spreader

Device for providing the spreading function to a surgical instrument of 5mm diameter (8) comprising a linear body (10) of circular section, such that the device comprises a body (1) comprising a first side (2), and a second side (3) comprising: at least two grooves (4) configured to perform a folding of the body (1); a housing (5) configured to be traversed by the circular section linear body (10) of the surgical instrument of 5 mm diameter (8), and two tabs (6) having a section with a circular sector shape and spaced a distance apart such that the circular section linear body (10) of the surgical instrument (8) can be accommodated between the tabs (6), such that the body (1) is configured to be in a U-shaped folded position and in a flat unfolded position.