RESUMO
OBJECTIVE To explore the two application methods of medical lubricant oil to avoid the high cost and secondary contamination problems.METHODS The spray and immersion methods of lubricant oil to maintain the medical equipment were adopted and compared its bacterial reproducing status after dilution and weekly oil cost.RESULTS The spray method was better than the immersion method,The bacterial reproduction was not found by the oil spray method for over 48 h and the weekly lubricant oil dosage was 200 ml,but in the immersion method the bacterial contamination rate was 100% at the sametime in its dilnted oil and the weekly lubricant oil dogase was 800ml.CONCLUSIONS For the manual method to wash the equipment,spray method can maintain the equipment to avoid the secondary contamination problem and save the lubricant oil dosage and cost.