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2. 发明授权

US6110149A Syringe 失效
标题翻译：注射器
公开(公告)号：US6110149A
公开(公告)日：2000-08-29
申请号：US926050
申请日：1997-09-09
申请人： Christian Peter Klitgaard , Steffen Hansen , Gabriel J.o slashed.rgensen
发明人： Christian Peter Klitgaard , Steffen Hansen , Gabriel J.o slashed.rgensen
IPC分类号： A61M5/24 , A61M5/31 , A61M5/315 , A61M5/46 , A61M5/00
CPC分类号： A61M5/3146 , A61M5/24 , A61M5/46 , A61M2005/31518 , A61M2005/3152 , A61M5/31548 , A61M5/3155 , A61M5/31555 , A61M5/31558 , A61M5/3156 , A61M5/31583 , A61M5/31585
摘要： The present invention relates to syringes for apportioning set doses from an ampoule has a dose setting and injection mechanism comprising a dose setting member which may be moved in one direction to set a dose and in the opposite direction to inject the set dose. A piston advancing mechanism comprises a piston rod and a piston rod drive, and the dose setting and injection mechanism is coupled to the piston advancing mechanism through a unidirectional coupling transmitting only movement of the dose setting member in the dose injecting direction to the piston rod drive. Operation of an air shot button enables influence on the piston advancing mechanism to advance the piston to expel an adjustable fixed volume. The air shot button is either coupled to the piston rod drive through a unidirectional coupling through which the piston rod is advanced when the air shot button is pressed, or it moves the end stop for an injection button so that this button may be pressed beyond its normal depressed end position.
摘要翻译：本发明涉及用于从安瓿分配设定剂量的注射器，其具有剂量设定和注射机制，该剂量设定和注射机制包括剂量设定部件，所述剂量设定部件可以在一个方向上移动以设定剂量并且朝相反方向注射所设定的剂量。活塞推进机构包括活塞杆和活塞杆驱动器，并且剂量设定和注射机构通过单向耦合而联接到活塞前进机构，单向耦合仅将剂量设定构件在剂量注射方向上的运动传递到活塞杆驱动。空气喷射按钮的操作使得能够影响活塞前进机构以使活塞前进，以排出可调节的固定体积。空气喷射按钮通过单向联接器联接到活塞杆驱动器，当按下空气击球按钮时，活塞杆通过该联接器活塞杆前进，或者移动终止挡块用于注射按钮，使得该按钮可以被按压超过其正常沮丧终点。

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