1. A device for introducing liquids into a pig’s oviduct, which allows introducing a liquid containing sperm, embryos or a therapeutic solution of any type, and selecting a liquid containing or not containing cells, gametes - sperm, and / or oocytes, and / or embryos, from the oviduct comprising a rigid tubular body (1), inserted using a laparoscopic trocar and allowing the flexible tube (3) to be inserted through it, characterized in that:! - the rigid tubular body (1) and the inner flexible tube (3) are coaxial to each other,! - the inner flexible tube (3) is attached by the proximal end to the needle with a beveled end (4),! - the inner flexible tube (3) is configured to insert a needle with a tapered end (4) into the oviduct (12) at an angle of 45 degrees,! - the distal end of the flexible tube (3) is connected to one or more cylinders (7) ((15), (16)) closed by one or more pistons (8) that slide inside the cylinder (s) (7) ((15) , (16)) and ensure accurate injection of small volumes of liquid. ! 2. The device according to claim 1, characterized in that the tubular body (1) is additionally covered with a sterile casing (2). ! 3. The device according to claim 2, characterized in that the sterile casing is intended for single use. ! 4. The device according to any one of claims 1 to 3, characterized in that the distal end of the flexible tube (3) is connected to two cylinders (15), (16), each of which is closed by a piston (8), which slides inside the cylinders (15 ), (16), moreover, two cylinders are connected to the flexible tube (3) using a double valve (14), which provides alternating passage of liquids contained in each of the cylinders (15), (16). ! 5. The device according to any one of claims 1 to 3, characterized in that1. Устройство для введения жидкостей в яйцевод свиньи, позволяющее вводить жидкость, содержащую сперматозоиды, эмбрионы или терапевтический раствор любого типа, и отбора жидкости, содержащей или не содержащей клетки, гаметы - сперматозоиды,
