| 摘要 |
The invention relates to a sample tube (1) for receiving body fluids, particularly blood, comprising a sealing cap (3) having a dome (4) with a piercable membrane, stopper or similar which is arranged in the tip of said dome (6) for a guide sleeve bearing a cannula or double cannula which can be placed on the dome thereof; and which can be provided with an emergency means of designation. The emergency means of designation is configured as an emergency signal colored ring (7) surrounding the dome covering with free access from above to the tip of said dome (6). |
