Angle of hypodermic needle

If it is a 1 ml syringe for subcutaneous injection, the angle of the needle is required to be 45 degrees from the skin, and the depth of the needle is required to be 1/2-2/3 of the needle.

Generally, the place where the subcutaneous fat of the human body is thicker is selected for injection, such as the surface of the deltoid muscle, around the navel, and the thigh. Before injection, choose a place where the skin is intact, without redness, swelling and induration, and then disinfect the skin surface with iodophor or alcohol, and then perform subcutaneous injection. After injection, use a cotton swab or cotton ball to press for a period of time to prevent subcutaneous bleeding.

If the insuin needle is injected under the skin, because the needle is shorter, the needle can be inserted vertically.

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