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<br>Hemodialysis is a medical procedure of filtering blood for the people suffering from kidney failure. The process is carried out through dialysis machine using a catheter as interconnection. The catheter used in hemodialysis consists of two types lumens, colored in red and blue for clear identification during the process. The red colored lumen injects blood from patient and transfers it to hemodialysis machine for filtration, while blue colored lumen returns pure blood to the patient after filtration.<br>
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