A portable blood salvage system is disclosed for salvaging a patient"s own blood during intraoperative surgical procedures and reinfusing the blood, washed and filtered, to the patient on-line or at bedside. The apparatus comprises suction means, admixing means for admixing aspirated blood with a washing fluid, filtering means for filtering the admixture through micro aggregate filter and reinfusion means for introducing the washed and filtered blood to the patient free of debris, small particles and clot blood cell