| 摘要 |
PROBLEM TO BE SOLVED: To provide a blood purifier improving accuracy of concentration detection of liquid by a concentration detecting means even though the concentration change of the liquid is substantial, and improving reliability of the concentration detecting means. SOLUTION: In the blood purifier having a dialyzer 2 for purifying the blood of a patient while circulating the same outside a body, and a discharged liquid concentration sensor 5 for detecting the concentration of the liquid flowing associated with the blood purification, the discharged liquid concentration sensor 5 has a light emitting means 11 irradiating light to discharged liquid; a light receiving means 12 for receiving the transmitting light having transmitted through the discharged liquid from the light emitting means 11; a detecting means 13 detecting the received light intensity by the light receiving means 12; and a light emission control means 14 detectable of the concentration of the liquid based on the received light intensity detected by the detecting means 13 and emitting light of a plurality of different light emitting intensity by the light emitting means 11. COPYRIGHT: (C)2011,JPO&INPIT |
