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1. 发明申请

WO1989009071A1 DISPOSABLE CONTROL SYRINGE 审中-公开
标题翻译：便携式控制注射器
公开(公告)号：WO1989009071A1
公开(公告)日：1989-10-05
申请号：PCT/US1989000577
申请日：1989-02-13
申请人： MERIT MEDICAL SYSTEMS, INC.
发明人： MERIT MEDICAL SYSTEMS, INC. , PADILLA, William , LAMPROPOULOS, Fred, P. , STANGER, Kent, W.
IPC分类号： A61M05/00
CPC分类号： A61M25/10182
摘要： A disposable medical control syringe (10) has a barrel (12) fabricated from a transparent plastic material and is provided with a pair of integral finger loops (34) and wing grips (36) to facilitate alternate ways of gripping and applying force to the syringe plunger (14). The plunger (14) has a resilient sealing tip (52) in slidable sealing engagement with the wall of the cylindrical bore of the barrel. First and second stabilizing disks (62, 64) are provided on the plunger to maintain the plunger in coaxial alignment as it is pushed through the barrel. A collar (56) on the plunger spaces the sealing tip (52) slightly forward of the finger loops (34) and wing grips (36). The plunger stem (42) is also provided with a thumb loop (38) having a palm rest (40) as well as a notched portion (44) arranged along its length. A locking nut (48) is provided which engages the notched portion to selectively limit the movement of the plunger into the bore. The leading end of the syringe barrel is connected to a medical device (such as a catheter manifold) by way of a rotatable luer lock connector (30) which is mounted on the body so it may be rotated independently of the body.
摘要翻译：一次性医疗控制注射器（10）具有由透明塑料材料制成的镜筒（12），并且设置有一对整体的指环（34）和翼把（36），以便于夹持和施加力的交替方式注射器柱塞（14）。活塞（14）具有弹性密封末端（52），其与筒体的圆柱孔的壁可滑动地密封接合。第一和第二稳定盘（62,64）设置在柱塞上以在推动柱塞被推动通过筒体时保持柱塞同轴对准。柱塞（56）在柱塞（56）上将密封尖端（52）略微向前指向指环（34）和翼把（36）。柱塞杆（42）还设置有具有手掌（40）以及沿其长度布置的切口部分（44）的拇指环（38）。设置有锁定螺母（48），其接合切口部分以选择性地限制柱塞进入孔中的运动。注射器筒的前端通过可旋转的鲁尔锁定连接器（30）连接到医疗装置（例如导管歧管）上，该连接器安装在本体上，使其可以独立于身体旋转。

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