发明名称 Blood collection needle
摘要 A blood collection needle (1) which includes a needle (21) for puncturing a patient's skin; a needle (22) for puncturing a rubber plug which seals a blood collection tube; a hub (3) for securing respective proximal portions of the two needles; a resilient cap (4) fitted to the hub; and a valve member (5) disposed in the internal passage of the hub which allows only blood flow from the needle (21) used to puncture a patient's skin to the needle (22) used to puncture the rubber plug which seals the blood collection tube. The valve member (5) includes a bowl portion (51) disposed so that its opening (53) is faced toward the needle (22) for puncturing the rubber plug and a guiding portion (52) provided on a bottom surface of the bowl portion (51) for causing the valve member (5) to move to a predetermined position which closes the internal passage.
申请公布号 EP1614384(B1) 申请公布日期 2011.05.11
申请号 EP20050014747 申请日期 2005.07.07
申请人 NIPRO CORPORATION 发明人 HIGAKI, YOSHIO;UCHIDA, YOSHIKUNI
分类号 A61B5/15;F16K15/02 主分类号 A61B5/15
代理机构 代理人
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