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VALVE FOR PERMANENT IMPLANTATION, IN PARTICULAR FOR TREATMENT OF NORMAL PRESSURE HYDROCEPHALUS
VALVE FOR PERMANENT IMPLANTATION, IN PARTICULAR FOR TREATMENT OF NORMAL PRESSURE HYDROCEPHALUS
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机译:永久性植入瓣膜,尤其用于治疗正常压力脑积水
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摘要
The invention relates to an implantable valve (1) for a drainage system for discharging cerebrospinal fluid, comprising: a valve housing (10) extending along a valve axis (A), an inlet (2) and an outlet (3) as well as a valve housing (10) surrounding an interior space (4), a valve body assembly (600) arranged in the interior (4) and movably arranged in the interior space (4), a first valve seat (5), wherein the valve body assembly (600) is configured to abut the first valve seat (5) to close a flow connection between the inlet (2) and the interior space (4) of the valve housing (10), a second valve seat (7) which faces the first valve seat (5), wherein the valve body assembly (600) is configured to abut the second valve seat (7) to close a flow connection between the outlet (3) and the interior space (4) of the valve housing (10), and a spring device (800) arranged in the interior space (4) which exerts a spring force on the valve body assembly (600) in the direction of the first valve seat (5).
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