Trade transfusions through the umbilical vein might be performed in a few different ways. In the open strategy, an attendant draws benefactor blood through a two-way stopcock which is associated with the jug via autoclaved polyvinyl tubing. The syringe loaded up with benefactor blood is given to the administrator or his partner who infuses it straightforwardly into the umbilical vein catheter. The benefits of this numerous syringe technique are effortlessness, speed and insignificant open door for the development of blood clumps in the framework. The impediment is the risk of the arrangement of an air embolus in light of the fact that amid the changing of syringes the umbilical vein catheter is in coordinate correspondence with the air. In the shut strategy, the administrator draws giver blood from the jug and infuses it into the umbilical vein catheter by methods for 2 three-way stopcocks affixed pair. The upsides of this single syringe strategy are the totally shut framework and the shirking of changing of syringes. The burdens are: 1) the keys of the 2 three-way stopcocks can be orchestrated in 9 distinct positions; 2) the odds of coagulating are expanded due to the utilization of 2 stopcocks, and 3) an immediate association between the blood in the container and the umbilical vein is conceivable. The stopcock to be depicted was intended to consolidate points of interest of the two strategies while staying away from their weaknesses.
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