Equipment of surgical instruments suitable for minimally invasive surgery, comprised by a multivalve device with adjustable separator to enter the patient's body and with at least one access simultaneous port for a number of components which includes an operative surgical device comprised by a control, a movement transmission element and an operative mounting clamp of a needle plier comprised by a control, a head connecting sheath, with a connecting needle lodged in its interior and the operative head; and a cauterization device comprised by a control, a movement transmitting element and the cautery.