Do you understand venous catheters? I'll explain it to you in one article.

An intravenous catheter is a medical device that is inserted and fixed in a patient's venous channel for the purpose of infusing drugs, rehydration, or monitoring. It is usually made of soft materials, such as plastic or silicone, and is stretchable. Insertion of a venous catheter is usually performed by puncturing a vein or using an instrument called a "guide needle. Once inserted, the catheter is passed through the vein into the body until it reaches the desired location. The catheter's **is then fixed to the skin to ensure it does not move or fall off.


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