| 摘要 |
A blood collection device, which comprises a blind tubular container portion having an open upper end portion and a closed lower end portion, a collection portion disposed at the upper end portion of said container portion projected upwardly from the upper end portion of said container portion and having means for guiding the blood to the interior of said container portion, and a closure member provided with a depression of such shape and size as to be optionally fitted to the lower end portion of said container portion and adapted to closable the open upper end portion of said container portion, wherein a diameter of at least one portion of said container portion is gradually enlarged upwardly. |
