PURPOSE: To enable the maintaining of a value of injection almost constantly in a vermiculation type finger pump by a method wherein a receiving member of a feed fluid tube is made almost rectangular and supported with two pressing members isolated vertically to allow the retaining of the resilience of the tube even under a prolonged operation.

CONSTITUTION: In a vermiculation type transfusion pump for dosing a medical fluid or the like, a plurality of fingers 4 are arranged to feed the fluid by moving the position of squeezing a feed fluid tube 2 sequentially by vermiculation. The fingers 4 undergo a vermiculation with the rotation of a plurality of finger cams 18 fixed being deviated by a specified angle in the radial direction of a rotating shaft 14 in a transfusion mechanism part 16. Here, the feed fluid tube 2 is received elastically with the receiving member 8 which is energized with two pressing members 13 such as springs isolated at a specified interval alone the vertical direction. When a pressure exceeds a pacified value as generated in the closing of the feed fluid tube 2 being pressed, the pressing members 13 are compression displaced thereby preventing the breakage of the feed fluid tube 2.