1. The cylinder pump comprising a cylindrical upper casing within which is rotatably inserted into the upper rotor and a cylindrical bottom casing, which engages with the upper casing and the inside of which is rotatably inserted into a lower rotor which is in rotational sliding contact with the upper rotor, characterized in that: the inner wall of the upper housing and the lower outer circumference of the top rotor and the inner wall the lower housing and the upper outer circumference of the rotor form a single tubular barrel, the upper rotor and the lower rotor comprise plungers mounted thereon, respectively, which rotate in the tubular qi Lindre whose ends are closed, the cylinder is provided with an inlet tube for the liquid medicament supplied into and an outlet tube for discharging liquid drug, wherein the inlet and outlet pipes protrude from the outer circumferences of the upper and lower casings, inlet pipe and outlet pipe are arranged so that the central angle about the center of rotation becomes greater than once and less than twice that of the central angle (θ) of the plunger iverhny rotor and the lower rotor connected to rivodnym device so that they are able to rotate nezavisimo.2. The cylinder pump according to claim 1, wherein the driving device includes a first drive assembly, which, with one ram positioned between the inlet tube and the outlet tube is rotated with the other plunger in contact with one side of said one plunger to come into contact with the other side of plunger, so that the dis1. Цилиндрический насос, содержащий цилиндрический верхний кожух, внутрь которого с возможностью вращения вставлен верхний ротор и цилиндрический нижний кожух, который входит в зацепление с верхним кожухом и внутрь которого с возможностью вращения вставлен нижний ротор, который находится во вращательном скользящем контакте с верхним ротором, отличающийся тем, что:внутренняя стенка верхнего кожуха и нижняя внешняя окружность верхнего ротора и внутренняя стенка ни
