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1. 发明专利

JP2011000183A Liquid medicine infuser 审中-公开
标题翻译：液体药物
公开(公告)号：JP2011000183A
公开(公告)日：2011-01-06
申请号：JP2009143488
申请日：2009-06-16
申请人： Nippon Medical School , Uniflows Co Ltd , 学校法人日本医科大学 , 株式会社ユニフローズ
发明人： ONO YOKICHI , HIRAKAWA KEIKO , MASUNO TOMOHIKO , SATO KAKUO , MORIKAWA HIDEYUKI , MURAKI HIDEKI
IPC分类号： A61M5/145 , A61B5/055 , G01R33/28
摘要： PROBLEM TO BE SOLVED: To provide a liquid medicine infuser which neither disturbs a magnetic field nor gives electrical noise even if a syringe portion is placed near a magnetic field environment of an MRI instrument and can be simply and accurately controlled.SOLUTION: The syringe portion includes a liquid medicine transfusion syringe 10, and a hydraulic cylinder 20 for driving the syringe, is made of a nonmagnetic material, and is installed in the magnetic field environment. A power portion includes a power generation motor 40 and a hydraulic cylinder 50 driven by the motor and is installed in a nonmagnetic field environment. The syringe side hydraulic cylinder 20 and the power side hydraulic cylinder 50 are double-acting types of the same size. One hydraulic chamber A1 of the syringe side hydraulic cylinder 20 and one hydraulic chamber A2 of the power side hydraulic cylinder 50 are connected by first piping 81 and the other hydraulic chamber B1 of the cylinder side hydraulic cylinder 20 and the other hydraulic chamber B2 of the power side hydraulic cylinder 50 are connected by second piping 82. Each of them is filled with a nonmagnetic liquid and sealed from the outside.
摘要翻译：要解决的问题：提供即使将注射器部分放置在MRI器械的磁场环境附近并且可以简单且精确地控制的情况下也不会影响磁场而不会产生电噪声的液体药物输注器。解决方案：注射器部分包括液体输液注射器10和用于驱动注射器的液压缸20由非磁性材料制成，并且安装在磁场环境中。功率部分包括发电电动机40和由电动机驱动的液压缸50，并且安装在非磁场环境中。注射器侧液压缸20和动力侧液压缸50是相同尺寸的双作用类型。注射器侧液压缸20的一个液压室A1和动力侧液压缸50的一个液压室A2通过第一管路81和气缸侧液压缸20的另一个液压室B1和另一个液压室B2连接动力侧液压缸50通过第二配管82连接。它们中的每一个都填充有非磁性液体并从外部密封。

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