👉 A doser is a device used in medicine to deliver medication or other substances directly into the bloodstream. It consists of a pump, a valve, and an injection needle. The pump delivers the medication or other substance through the valves, which control the flow rate of the medication. The injection needle is inserted into a vein (such as a vein, artery, or central venous catheter), and the medication is then administered to the patient's bloodstream. Doser systems are used in hospitals, clinics
