Patent ID: 7309428

Claim:
An apparatus for separating components from blood plasma, comprising: a mixing unit in the form of a first injection tube containing a protein-precipitating agent, said first injection tube having a first connecting tube and a first piston to provide a compartment for a mixture composed of plasma to be separated and said protein-precipitating agent; a separating unit composed of a filtering tube, a third connecting tube, a filter in said filtering tube, and a third piston, for separating said mixture supplied from said mixing unit and preserving a solid material after said separation, said third connecting tube communicates with a fourth injection tube having a fourth piston for receiving a liquid after said separation; and a storage unit in the form of a fifth injection tube having a fifth connecting tube, a second connecting valve and a fifth piston and containing a liquor to dissolve said solid material in said filtering tube as a result of said separation; wherein said first connecting tube is connected to said first injection tube and said filtering tube, said fifth connecting tube is connected to said third connecting tube, and said second connecting valve is positioned at an interconnection of said third connecting tube and said fifth connecting tube to control a flow direction of fluid in said separating unit and said storage unit.