发明名称 TWO-CHAMBER INJECTION DEVICE HAVING GAS-PERMEABLE MEMBRANE
摘要 The invention relates to a two-chamber syringe device comprising a cylinder element (2), a closure element (6), two plungers (3) and (4) and optionally an intermediate plunger (3a), wherein one or more fluid-tight, gas-permeable membranes (8) and optionally valve membranes (15) are arranged in the wall of the cylinder element (2) or in the closure element (6), allowing gas in the chambers to escape from the cylinder element (2) when the plungers (3), (3a) and (4) are displaced in the distal direction.
申请公布号 US2011060274(A1) 申请公布日期 2011.03.10
申请号 US20100815723 申请日期 2010.06.15
申请人 SANOFI-AVENTIS DEUTSCHLAND GMBH 发明人 KUHN BERND
分类号 A61M5/31 主分类号 A61M5/31
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