A patient positioning device (10), comprising: a flat sheet having a first and second lateral edge and an upper surface (24), said flat sheet, is configured for positioning a patient on it； a handle (14) coupled to said flat sheet when said patient is supported by said flat sheet； a first padded substrate and a second padded substrate attached to said sheet, in the first and second padded substrate are configured to wrap around a patient's arm； a substrate (18) oriented longitudinally through said flat sheet for wrapping and holding said arms in an elevated position above the flat sheet and an underlying support surface in which the raised position prevents injuries to the arm； 2 lateral edges configured to be located adjacent to the patient's legs, wrapping them to prevent heat loss during pre-surgery, surgery, after surgery or during transport； The first flexible substrate is detachably attached to the first side edge of the flat sheet； a second flexible substrate is detachably attached to said lateral edge of the flat sheet； flexible substrates overlap when not in use and, when in use, are individually wrapped around the patient.Un dispositivo de colocación del paciente (10), que comprende: una lámina plana que tiene un primer y segundo borde lateral y una superficie superior (24), dicha lámina plana, está configurado para el posicionamiento de un paciente sobre el mismo； un mango (14) acoplado a dicha lámina plana cuando dicho paciente está soportado por dicha lámina plana； un primer sustrato acolchado y un segundo sustrato acolchado unidos a dicha lámina, en el primer y segundo sustrato acolchado están configurados para envolverse alrededor de un brazo del paciente； un sustrato (18) orientado longitudinalmente a través de dicha lámina plana para envolver y sostener dichos brazos en una posición elevada por encima de la lámina plana y una superficie de soporte subyacente en el que la posición elevada evita lesiones al brazo； 2 bordes laterales configurados para
