Method and device for obtaining blood plasma samples.

摘要

Device for obtaining a blood plasma sample from a patient's blood during hemodialysis flowing the patient's blood during hemodialysis through the blood flow chamber (22), filtering the plasma into a plasma chamber (30) from the flowing blood in the blood flow chamber and then back into the flowing blood in the blood flow chamber (24) through the filter medium (32) to continually produce an immediate flowing plasma sample in the plasma chamber, and periodically withdrawing a plasma sample from the plasma chamber to obtain an immediate plasma sample from the patient's blood.