Pen like IV cannula I.V.cannula
In clinical, I.V cannula is used for peripheral venous infusion. It is used together with infusion set when infusion, and with the
injection cap when not infusion.
I.V cannula can be detained in the patient's blood vessels for a few days. During the puncture, the catheter and the needle tube
are inserted into the blood vessel together. the needle tube is withdrawn after insertion, and only the soft catheter is detained in the blood vessel for infusion.

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