CENTRIFUGE APPARATUS FOR SEPARATING BLOOD

摘要

A centrifuge comprising a container (110) which includes a cylindrical member (27) and a piston comprising a piston rod (8). The piston divides the cylindrical member (27) into a first chamber (70) positioned above the pisto n and a second chamber positioned below the piston. The apparatus comprises a supporting turntable (101) with means for releasably retaining the cylindrical member (27), the supporting turntable being connected to a first activating means (105) for rotating the supporting turntable (101) with the container (110), as well as a rotatably journalled piston activating mechanism (113, 118) adapted to activate the piston (55) by means of a second activating means (115). The apparatus comprises an optical blood cell detector (130) which is adapted to emit a light beam obliquely towards the piston rod (8), and which comprises a detecting means for observing the intensity of the reflected light beam. The apparatus further comprises a control means (131) for controlling the piston activating mechanism (113, 118) in response to the measurements of the detecting means.