Do you need to pinch the skin for a hypodermic needle?

Whether to pinch the skin or not is related to the length of the needle:

1. Regardless of whether the skin is pinched or not, the 4mm needle should be inserted vertically.

2. When using a 6mm needle, pinch skin or 45° injection can be used.

3. For children, adolescents and thin patients, if there is only an 8mm needle for the patient to use (such as a patient currently using a syringe), the skin should be pinched and injected at 45°.

4. Preschool children can use a 6mm syringe needle at a 45° angle to inject instead of pinching the skin, because the net penetration of a 6mm needle at 45° is about 4 mm.

(Needle entry angle when injecting with needles of various lengths)

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