Device for generating a pulsed flow applicable to extracorporeal-surgery, roller or centrifugal pumps

摘要

The invention comprises a hood 1 connected at the bottom to a base 2 applicable on a console with magnetic or mechanical actuating means, the hood 1 having an upper entry conduit 3 for the blood arranged in a centred manner in an axial position, forming, internally, a chamber 4 in communication with another, peripheral chamber 5, around the rotary disc 6, between the latter and the cylindrical body 8, where, at a radial point and in a tangential manner, an outlet conduit 7 for the pumped blood is applied, the rotary disc, on a sector of its periphery, having a diametral widening 11 obtained in the manufacture of the rotary disc 6, or with an integral superposed piece, which in its rotary movement momentarily closes off the outlet for the blood via the radial conduit, which momentary closing-off alternating with the flow of blood generates a pulsed flow.