.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch perpendicularly

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch obliquely upwards

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch obliquely upwards

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch puncture obliquely

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch obliquely upwards

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch obliquely upwards

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 - 1 inch obliquely upwards

careful! avoid puncturing the spinal cord located 1.25 to 1.75 cun under the skin surface

.5 -.8 inch perpendicularly

neither obliquely upwards nor deep puncture is advisable.  It is near the medullary bulb in the deep layer, and the depth and angle of the puncture should be paid strict attention to.

.5 -.8 inch perpendicularly

neither obliquely upwards nor deep puncture is advisable.  It is near the medullary bulb in the deep layer, and the depth and angle of the puncture should be paid strict attention to.

careful! avoid puncturing the spinal cord located 1.5 to 2 cun under the skin surface

.3 - .5 inch subcutaneously

careful! avoid puncturing the spinal cord located 1.5 to 2 cun under the skin surface

.3 - .5 inch subcutaneously

.3 - .5 inch subcutaneously

.3 - .5 inch subcutaneously

.3 - .5 inch subcutaneously

do not needle in infants whose fontanelle is still open

.3 - .5 inch subcutaneously

this point is prohibited in infants with metopism

do not needle in infants whose fontanelle is still open

.3 - .5 inch subcutaneously or prick to cause bleeding

this point is prohibited in infants with metopism

.3 - .5 inch subcutaneously or prick to cause bleeding

.2 - .3 inch subcutaneously or prick to cause bleeding