Blood collection device and blood collection system

The utility model relates to a blood collection device and a blood collection system. The blood collection device is characterized by comprising: a syringe comprising a distal end; and a flow restrictor including a distal end and a proximal end, where the proximal end is coupled to the distal end of the syringe. The blood collection system is characterized by comprising: a catheter assembly comprising: a catheter adapter; and a catheter extending distally from the catheter adapter; and a blood collection device coupled to the catheter assembly, the blood collection device comprising: a syringe comprising a distal end; and a flow restrictor including a distal end and a proximal end, where the proximal end is coupled to the distal end of the syringe. The utility model can provide hemolysis protection. 本实用新型涉及一种血液采集装置和一种血液采集系统。血液采集装置特征在于包括：注射器，该注射器包括远侧端；和限流器，该限流器包括远侧端和近侧端，其中，该近侧端联接到注射器的远侧端。血液采集系统特征在于包括：导管组件，该导管组件包括：导管适配器；和从导管适配器向远侧延伸的导管；和联接到导管组件的血液采集装置，该血液采集装置包括：注射器，该注射器包括远侧端；和限流器，该限流器包括远侧端和近侧端，其中，该近侧端联接到注射器的远侧端