A device for dosing and dispensing material and a method of operating such device

A device for dosing and dispensing material, wherein the device (1) comprises a material receiving means (8) with an inlet section and an outlet section, a means for opening and closing the inlet section and a means for opening and closing the outlet section, wherein at least a portion of the material receiving means (8) is made of an elastic material, wherein the means for opening and closing the inlet and the outlet section are each provided by a pinch valve arrangement for pinching off the inlet and outlet section, wherein a spatial position of the means for opening and closing the inlet section and/or a spatial position of the means for opening and closing the outlet section is/are adjustable along a central axis (z) of the material receiving means (8),

• characterized in that
• the device (1) comprises at least one actuating element (3) for manually actuating the means for opening and closing the inlet section and/or for manually actuating the means for opening and closing the outlet section, wherein the means for adjusting a spatial position and/or a spatial orientation of the means for opening and closing the inlet section and/or a means for adjusting a spatial position and/or spatial orientation of the means for opening and closing the outlet section is movably mounted to an operating section of the at least one actuating element (3).