Apparatus for reducing fluid drawback through a medical valve

(57) The adverse current of the fluid in the valve for summary medical treatments is decreased. The valve for medical treatments (15) adjusted with a bubble fluid, It has a housing (34, 48) which demarcates a chamber (65) with an entrance (10), an exit (50), and the inner wall 14, and the compressive component (41) in this chamber (65) and the fluid channel (36, 43) demarcated with an inner wall (14). The fluid received from the entrance (10) is turned to an exit (50), and a fluid channel (36, 43) draws it.