发明名称 Pump unit for water jet surgery
摘要 The unit (10) has a pump housing encompassing first and second housing parts (11, 17), where inlet valves (25, 27) are active between pump cylinders (12, 13) and a suction channel (18) and outlet valves are active between the pump cylinders and a pressure channel of the second housing part. The inlet valves encompass an interior in which a valve ball (43) is arranged. The interior is defined by one of the housing parts at a location and by a different part i.e. bushing part, at a different location. The valve ball is supported to freely move in the interior. The inlet valves and the outlet valves are springless ball check valves.
申请公布号 EP2711545(A1) 申请公布日期 2014.03.26
申请号 EP20120185019 申请日期 2012.09.19
申请人 ERBE ELEKTROMEDIZIN GMBH 发明人 HAEBE, ELMAR
分类号 F04B1/02;A61B17/3203;F04B1/04;F04B23/06;F04B53/10;F16K15/04 主分类号 F04B1/02
代理机构 代理人
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