The manufacture and use of simple veterinary blow syringe
First, the composition of a simple blow syringe Blowpipe, disposable syringe, needle, tail feather, rubber band. Second, the production of simple blow syringe Blowpipe The use of commercially available stainless steel pipe or pvc pipe can be, the length is generally 100 to 120 cm. The inner diameter of the tube is 18 cm (for a 5 ml disposable syringe), the inner wall is smooth and both ends are flat. Needle With a 12-gauge needle, 4.5 cm long, the original opening of the needle is sealed with strong glue or lead. A small hole is drilled on the side of the needle 1 cm from the needle tip. Before use, the hole is sealed with a flexible rubber ball to expose the needle tip. It is advisable to block the hole without leaking medicine. Tail feather Made from wool, cut the wool into several pieces of appropriate length. 4. Rubber band The valve heart used on the bicycle is 9 to 10 cm. 5. Flying needle syringe Reconstituted with a medical disposable syringe. Using a 5 ml disposable syringe, remove the handle from the protruding tube section of the needle and drill two symmetrically sized holes in a tube marked with a 5 ml graduation. The size of the hole can freely pass through a valve heart. It is advisable to make the handle of the putter's tail into a concave arc, pass a single valve heart through the two holes, and then pull the valve heart out of the inside of the syringe barrel, and pull out the length just beyond the round tube. It is advisable to use the two broken ends of the valve heart to make a knot or to tie the two broken ends with a thin wire, and put the push rod and the piston together inside the syringe. Third, the use of simple blow syringe Charge Pull the plunger of the blow syringe to the required dose scale, then use a common syringe to draw the liquid, and inject the liquid from the needle of the blow syringe, push the gas inside the blow syringe, put on the special The syringe needle is blown and then the valve cores inside and outside the tube are trapped on the push rod handle of the blow syringe. At this time, the tail feather can be connected behind the valve core. 2. Blowing Put the prepared syringe into one end of the blowpipe. The tail feather is facing towards the animal. The needle is facing the animal. The mouth blows the tube, aiming at the animal, blowing the air with force. The syringe will shoot at the animal. When the needle tip penetrates into the animal muscles, the rubber block on the needle After the passage of time, the syringe uses the inertia and the thrust of the rubber band to inject the liquid medicine into the animal body to complete the long distance injection process. Fourth, pay attention to matters 1. The needle must be firmly attached. When operating, the needle should not be facing the person so as not to hurt the person. 2. The elasticity of the rubber block on the needle should be appropriate. Too loose and easy to leak the drug. Too tight rubber cannot move backward. The needle is not easy to penetrate into the muscles of animals and the liquid cannot enter. 3. The production of tail feathers should be appropriate, the tail feathers are too few or sparse, the syringe is not closed tightly in the blow pipe, and the blow is weak; the tail feathers are too large, the flying resistance is too large, and the range is affected and is not easy to shoot. 4. Exercise a few times before use to master the operating procedures, the strength of the blast, the accuracy of the shot, and the range of the shot. 5. The length of the valve heart should be appropriate, the valve heart is too long, and the pulling force is not enough to push the liquid into the muscle.
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