Intravenous injection has two kinds of injection and infusion. The site of intravenous injection is at the junction of the upper 1/3 and middle 1/3 of the jugular vein. Before the injection, bind the sheep to the standing position so that the head slightly stretches forward and slightly to the opposite side. The lamb can be tied sideways. Injection appliances must be sterilized. Strictly cut and disinfect the injection site. Intravenous injection, the first to recognize the jugular vein, and then with his left thumb across the injection site slightly (near the heart) of the jugular sulcus, so that the vascular filling; right hand holding the needle, the needle slanting facing the skin, along the neck The vein and the direction of the head, so that the needle and the skin is about 45 degrees, accurate and rapid penetration into the jugular vein; see there is back to the blood, and then forward along the vein tube a needle body, so that the needle is more stable inserted in the vein In the tube (if one cannot directly pierce the vein, first penetrate the skin and then pierce the vein); at this time, release the left hand and connect the syringe filled with the liquid or the latex tube connected to the infusion bottle. The hose clamp can be used to control the speed of the infusion. At the same time, the hose near the needle is fixed on the skin of the neck with a clamp, and the infusion bottle is appropriately increased. After the injection, hold the alcohol cotton ball tightly in the left hand and press the needle hole. The right hand quickly pulls out the needle, and then it is sterilized with 5% iodine.
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