Apparatus and method for mixing and dosing of blood in a collection bag in the blood donations

摘要

The invention describes a device for mixing and metering of blood in a collection bag for blood donations in which the bag lies on the weighing scales of a balance, the weighing scales execute pivoting movements and trigger an optical or acoustic signal if a predetermined blood weight is reached, and the supply hose for the blood in the bag is flow-restricted and intermittently interrupted by means of a pinch valve coupled to the balance.