| 摘要 |
PROBLEM TO BE SOLVED: To provide a blood circuit which does not inhibit blood flow.SOLUTION: The blood circuit comprises a pressure measurement portion 100 connected to a pressure measurement device. The pressure measurement portion 100 comprises a housing 110 and a flexible membrane disposed in the housing. Blood is flown in the housing 110 so as to be adjacent to the flexible membrane. The flexible membrane is displaced according to blood pressure to vary a gap between the flexible membrane and the housing 110, so that blood pressure can be measured. The blood circuit further comprises a bypass path 290 which is disposed being separate from the housing 110 and in parallel to the flexible membrane so that blood can flow when a channel in the housing 110 is blocked.SELECTED DRAWING: Figure 2 |
