A PRP separator-concentrator comprising a housing, a separation assembly, and a concentration assembly. The concentration assembly has a concentration sump. An axially concentric rigid stationary outlet tube is secured to the housing and extends through the separation assembly to the sump. The separation...http://www.google.com.au/patents/US7824559?utm_source=gb-gplus-sharePatent US7824559 - Apparatus and method for preparing platelet rich plasma and concentrates thereof
