| 摘要 |
<p>Method and device for separating the serum included in a certain volume of blood by way of centrifugation, said volume of blood being introduced into a test tube (1) in which a so-called separating body (5; 5') is also present, after which the test tube (1) is centrifugalized, the blood being separated into a heavy phase (11) containing redblood corpuscles and a light phase (12) containing serum or plasma, the separating body (5; 5') being given such a specific gravity that upon centrifugation it enters a position in the boundary layer between the heavy and the light phase (11 and 12, respectively). What characterizes the invention is that a mass (9; 9') stored in the separating body (5; 5') is moved out of this towards the heavy phase (11) and seals between separating body (5; 5') and test tube (1). When said mass (9; 9') is removed from the separating body (5; 5') a negative pressure will arise therein which is utilized to suck up accumulated leukocytes and trombocytes in the separating body (5; 5').</p> |
