Patent ID: 7481941

Claim:
A process for separating components from blood plasma, comprising the steps of: (a) providing a mixing unit, a separating unit and a storage unit, wherein the mixing unit is a first injection tube with which a protein-precipitating agent is filled, 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; said separating unit is composed of a filtering tube including a third connecting tube, a filter and a third piston and a fourth injection tube including a fourth piston; and said storage unit is a fifth injection tube including a fifth connecting tube, a second connecting valve and a fifth piston; (b) connecting said first connecting tube to said first injection tube and said filtering tube, said third connecting tube to said fourth injection tube, and said fifth connecting tube to said third connecting tube, wherein said second connecting valve is positioned at an interconnection of two of said connecting tubes to control a flow direction of fluid in said separating unit and said storage unit; (c) infusing said mixture in said mixing unit into said filtering tube of said separating unit so that a solid material to be left in said filtering tube and a liquid to be collected in said fourth injection tube are separated; and (d) dissolving said solid material in said filtering tube with a liquor to form a solution.