每次输液250 mL，塑料输液器会进入人体约 0.52 μg 颗粒，相当于 10万到10^11个颗粒，可怕。
10.1016/j.isci.2023.108454 Direct entry of micro(nano)plastics into human blood circulatory system by intravenous infusion
10.3390/nano12081298 Nanoplastics and Human Health: Hazard Identification and Biointerface
