The vaguely painful needle may be related to the puncture site injury, phlebitis, excessive activity of the limb with the needle, and so on.
1. Puncture site injury: it is possible that the needle may cause some damage to the vein and the surrounding soft tissues of the puncture site during the puncture, which may lead to the patient feeling that the needle is vaguely painful.
2. Phlebitis: it may be due to the puncture did not strictly follow the aseptic operation techniques, resulting in the occurrence of the needle puncture site of inflammation, belongs to a kind of phlebitis, which leads to the needle vaguely a little pain.
3. Excessive activity of the limb puncturing the needle: the head of the needle is placed in the patient’s vein, if the limb puncturing the needle has a wide range of activities, strenuous activities, etc., which may lead to the needle dislodged, back to the blood, resulting in blockage of the needle, which leads to the vagueness of the needle a little bit of pain.
It is recommended that patients who experience symptoms of indwelling needle pain should seek medical assistance in a timely manner.