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    • 7. 发明申请
    • VALVE ARRANGEMENT FOR MEDICAL DEVICE
    • 医疗器械的阀门安排
    • WO2012146671A1
    • 2012-11-01
    • PCT/EP2012/057682
    • 2012-04-26
    • SANOFI-AVENTIS DEUTSCHLAND GMBHEGGERT, IlonaDAVIES, James AlexanderBILTON, Simon LewisMOORE, DavidWIMPENNY, StevenLANGLEY, Christopher Nigel
    • EGGERT, IlonaDAVIES, James AlexanderBILTON, Simon LewisMOORE, DavidWIMPENNY, StevenLANGLEY, Christopher Nigel
    • A61M5/19A61M5/24A61M5/31
    • A61M39/22A61M5/19A61M5/24A61M5/3134A61M2005/3128
    • The invention faces the technical problem of reducing the uncertainty over exact doses ejected from a medical device and at the same time providing a homogeneous, but controlled mixture of at least two fluids while a simple production should be maintained. The technical problem is solved by a medical device comprising a first valve (262, 308, 508), a second valve (268, 310, 510), a first pre-valve ullage (264, 304, 504), a second pre-valve ullage (266, 306, 506), a post-valve ullage ( 280, 312, 512) with a first end ( 281, 316, 516) and a second end ( 282, 318, 518) and a needle (406). The first pre-valve ullage is connected to the post- valve ullage by the first valve and the second pre-valve ullage is connected to the post- valve ullage by the second valve. A first fluid (92) is guidable from the first pre-valve ullage to the post-valve ullage and a second fluid (102) is guidable from the second pre-valve ullage to the post-valve ullage. A first end (407) of said needle is inserted into the post-valve ullage and the post-valve ullage is designed such that there is a flow inversion between the post- valve ullage and the needle.
    • 本发明面临技术问题,即降低从医疗装置喷出的精确剂量的不确定性,同时提供至少两种流体的均匀但可控的混合物,同时应保持简单的生产。 该技术问题通过包括第一阀(262,308,508),第二阀(268,310,510),第一阀前空位(264,304,504),第二预阀 具有第一端(281,316,516)和第二端(282,318,518)和针(406)的后阀缺位(280,312,512)的阀缺口(266,306,506) 。 第一个阀门前端通过第一个阀门连接到后阀门排空口,第二个阀门前端通过第二个阀门连接到后阀门。 第一流体(92)可从第一阀门前空位引导至后阀排空,并且第二流体(102)可从第二预阀闭合引导至阀后排空。 所述针头的第一端(407)被插入后瓣膜缺损中,并且后瓣膜缺损被设计成使得在后瓣膜与针之间存在流动反转。