Blood collection device for inspection
A unified and integrated technology, applied in applications, medical science, sensors, etc., can solve the problems of blood sampling volume error, increased cost, inconvenience of observation, etc., and achieve the effect of avoiding sampling error, reducing label wear and unscrewing easily
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[0022] Such as figure 1 As shown, a blood sampling device for testing includes a test tube body 1 and a cap 2. A protrusion 3 is provided on the test tube body 1 near the cap 2. The protrusion 3 is integrally formed with the test tube body 1 to surround the same horizontal plane as the outer wall of the test tube body 1 Annular boss; In another structure of the vacuum blood sampling device, the boss 3 and the test tube body 1 are integrally formed and arranged on the same horizontal surface of the outer wall of the test tube body 1 at intervals. The number of the bosses 3 is four, and the number of the bosses 3 is four. The number is not particularly limited, as long as the protrusions 3 can prevent the test tube body 1 from moving upward during the process of pulling out the cap. The protrusions 3 can also be two, three or five. When removing the cap 2, first place the test tube body 1 in the test tube holder with a stopper. Since the stop is close to the plane where the protr...
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