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Introduction
Arm skin is made of imported materials,
the skin surface is real visible and touchable to vein.
In chelidon and along the place of
the forearm venous distribution, practice venipuncture in any common
position.
When the puncture of the skin and
vein, there will be ups and downs, skin feel is obvious. When the needle
pierced right blood vessels has real h. (peristaltic pump). Under normal
use, hundreds of times puncture can be performed.
IVS and transvenous can be imported. |
