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MIXING APPARATUS AND PIERCING METHOD FOR A DOUBLE-ENDED NEEDLE
专利权人:
TERUMO KABUSHIKI KAISHA
发明人:
YOKOYAMA KENJI,SAWADA AKIRA
申请号:
EP10815382
公开号:
EP2476403A4
申请日:
2010.09.08
申请国别(地区):
EP
年份:
2014
代理人:
摘要:
Disclosed is a mixing apparatus (10) for mixing a first component and a second component, the mixing apparatus (10) comprising: a first vessel (12) which has a negative internal pressure and houses the first component a second vessel (16) which houses the second component and a double-ended needle (20) which allows communication between the first vessel (12) and the second vessel (16) when a first stopper element (26) and a second stopper element (30) have been pierced through by said double-ended needle (20). Penetration-resistance increasing parts (64, 66) which have a greater penetration resistance with respect to the first stopper element (26) and the second stopper element (30) than tip end tubes (60, 62) are respectively provided on a first puncture needle (42) and a second puncture needle (44) of the double-ended needle (20) at positions further towards the base end than the tip end tubes (60, 62). The axial heights of the edge faces of the tip end tubes (60, 62) are both less than the thicknesses of the first stopper element (26) and of the second stopper element (30).
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