Blood plasma collecting device

Abstract

The invention discloses a blood plasma collecting device. The blood plasma collecting device comprises a needle for collecting blood, a first connector, a first puncture device for charging an anticoagulant, a first anticoagulant tube connected with the first puncture device, a blood filter, a blood tube connected with the blood filter, a centrifuging cup for separating the blood plasma, a second connector, a blood plasma collecting bag, a second puncture device for charging normal saline, an anticoagulant pump, a blood pump, a first air probe, a second air probe, a third air probe and a fourth air probe, wherein the probes are used for detecting air; the first air probe and the second air probe are sequentially arranged on the blood tube between the first connector and the blood filter along the blood extracting direction; the third air probe is arranged on the anticoagulant tube between the anticoagulant pump and the first connector; the fourth air probe is arranged on the blood tube between the blood filter and the blood pump. With the adoption of the blood plasma collecting device, red blood cells in an outlet of the centrifuging cup and the air and pressure in the tube can be detected during collecting and returning.

Description

technical field [0001] The invention belongs to the technical field of medical equipment, and in particular relates to a plasma collection device. Background technique [0002] Plasma collection, the full name is apheresis, refers to a process of separating human whole blood into plasma through physical methods, and returning the remaining components to the plasma donors. [0003] Plasmapheresis stations are units that have been approved and established to collect and supply raw plasma for the production of blood products. In the past ten years, with the gradual increase in the production of blood products in our country, a large number of plasmapheresis stations have been set up in various places to ensure the raw materials for the production of blood products. [0004] Only those who pass the physical examination and meet the plasma donation requirements can become plasma donors. In order to ensure the health of plasma donors, the relevant state departments stipulate tha...

AI Technical Summary

Problems solved by technology

If the collected plasma is mixed with red blood cells, it will affect the quality of the plasma. When red blood cells are reinfused, air is strictly prohibited from entering the blood, so as to prevent air embolism from forming in the stenosis of the blood vessels, obstructing the blood circulation path, and causing shock. If the speed of the blood pump is too fast, the negative pressure and positive pressure generated on the human body will be too high, which will cause discomfort to the plasma donors

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