A single-use system for separating blood and producing platelet concentrates includes an elongated container for receiving blood from a patient. The container has a movable plunger mounted within the blood container for expressing blood fractions separated during centrifugation of the container through...http://www.google.fr/patents/US7452344?utm_source=gb-gplus-shareBrevet US7452344 - Platelet concentration syringe kit
