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    • 4. 发明申请
    • PIPETTE TIP
    • PIPETTE提示
    • US20100316542A1
    • 2010-12-16
    • US12814155
    • 2010-06-11
    • Kazunori MOTOTSUToshikatsu FukujuHiroto Toyoshima
    • Kazunori MOTOTSUToshikatsu FukujuHiroto Toyoshima
    • B01L3/02
    • B01L3/0275B01L9/543B01L2300/0858
    • The present invention is to present a disposable pipette tip used in a dispensing device, comprising: an attachment section for being attached to the dispensing device; and a liquid containing section for containing a liquid aspirated by the dispensing device, which is continually located to the attachment section and comprises a first part and a second part being continually located to the first part on the attachment section side, wherein the first part comprises a tip portion, an intermediate portion and a stepped portion, the tip portion including a distal end of the pipette tip, the intermediate portion continually located to the tip portion and the second part, the tip portion having an external diameter that decreases toward the distal end, and the intermediate portion having an external diameter that decreases toward the tip portion; the stepped portion is formed at a connecting position of the tip portion and the intermediate portion such that the external diameter of the intermediate portion at the connecting position is larger than that of the tip portion at the connecting position, the connecting position being closer to the distal end than the second part; the second part has an internal diameter that decreases toward the first part; the external diameter of the intermediate portion at the connecting position is larger than the internal diameter of an end of the second part on the first part side; the external diameter of the tip portion at the connecting position is smaller than the internal diameter of the end of the second part on the first part side; and length from the end of the second part on the first part side to the end of the attachment section on the opposite side of the second part is not less than twice but not more than four times as large as that of the tip portion.
    • 本发明提供一种用于分配装置中的一次性移液管吸头,包括:用于附接到分配装置的附接部分; 以及液体容纳部分,用于容纳由所述分配装置吸入的液体,所述液体连续地位于所述附接部分上,并且包括第一部分和第二部分,其连续地位于所述附接部分侧上的所述第一部分,其中所述第一部分包括 尖端部分,中间部分和阶梯部分,所述尖端部分包括所述移液管末端的远端,所述中间部分连续地位于所述尖端部分和所述第二部分,所述尖端部分具有朝向远端 并且所述中间部分具有朝向所述末端部分减小的外径; 台阶部分形成在前端部分和中间部分的连接位置处,使得连接位置处的中间部分的外径大于连接位置处的末端部分的外径,连接位置更靠近 远端比第二部分; 第二部分具有朝向第一部分减小的内径; 连接位置处的中间部的外径大于第一部分侧的第二部分的端部的内径; 连接位置处的前端部的外径小于第一部分侧的第二部分的端部的内径; 并且从第二部分的第二部分的端部到第二部分的相对侧上的连接部分的端部的长度不小于末端部分的两倍但不超过四倍。