Long-term and large-dose ear vein injection is also called "drip", which is suitable for fat pigs or adult pigs; Short-term low-dose ear vein injection, also known as intravenous injection or intravenous injection, is suitable for suckling piglets in delivery room. This paper mainly explains the ear vein injection of piglets.
Tool preparation
Alcohol, iodophor, cotton wool, flashlight (used when blood vessels are difficult to fill or light conditions are not good), syringe, scalp needle, and drugs for injection.
Baoding method
1, lateral position Baoding method: it is suitable for intravenous injection of pigs in nursing homes. Put the pigs down, press the hindquarters with knees (avoiding abdominal cavity), hold the pig's forelimbs with one hand, hold the pig's ears with the other hand, press the ear veins with fingers to make the blood vessels full and swollen, and assist static needle puncture.
2. Hug Baoding: suitable for intravenous injection of piglets in delivery room. Bend the arm to hold the crotch of the pig, hold the forelimb of the pig with the other hand, and tie the root of the ear with a tourniquet to promote the filling and exposure of the blood vessels in the ear vein and assist the static push needle puncture.
injection process
Vascular selection
The finger of the latter was pressed by a tourniquet to block blood circulation, and the vein of Zhangnur was filled.
Puncture position
Starting from the far ear vein at the tip of the ear behind the ear, the puncture position is selected, and the relatively straight blood vessel part is selected as the puncture position instead of the curved blood vessel section.
Cleaning and disinfection
Sterilize the injection site with iodine, and deiodify with alcohol.
Puncture method
After the needle is inserted into the vein at an angle of10-20, immediately make the reduced angle close to the skin, and push gently. If there is no resistance in the process, the needle will continue to advance about 0.5CM, loosen the tourniquet or press the finger, fix the needle and inject.
Hemostasis and disinfection
After the injection is completed, use alcohol cotton balls to stop bleeding and disinfect for a while to complete intravenous injection.
Matters needing attention
1. Injection instruments and injection sites should be strictly disinfected.
2, according to the condition, medication principles, drug properties, compatibility contraindications, arrange the order of drug infusion in a planned way.
This liquid medicine can be heated to 38 degrees Celsius in the cold season of autumn and winter.
4. Before injection, exhaust the air in the syringe needle.
5, the injection speed is moderate, not too fast.