A surgical method of implanting an implantable drainage apparatus. The method comprising the steps of cutting the skin of a patient, inserting the implantable drainage apparatus into the body of the patient, the implantable drainage apparatus comprising a drainage device, an energy source adapted to supply energy to the drainage device, a connecting tube connected to the drainage device, a bellows adapted to generate a suction and a motor connected to the bellows, being adapted to compress the bellows to move fluid out of the bellows and at the same time pre-tension the bellows, placing the drainage device at a placement area in the patient's body, placing the connecting tube at a treatment area in the patient's body.