Dual-chamber type injector and connector used therefor

Details Dual-chamber type injector and connector used therefor Dual-chamber type injector and connector used therefor

A - Human Necessities

61

M

A61M 5/19 (2006.01) A61J 1/00 (2006.01)

Patent

CA 2239350

A needle connecting portion of a syringe which includes a drug accommodating chamber accommodating a first component is arranged opposite to a takeout port of a hermetically closed container which includes a container chamber accommodating a second component. The syringe is connected to the container through a connector so as to be movable in proximity mutually and adapted to be separable from the connector. There is provided a communication passage capable of communicating the drug accommodating chamber with the container chamber. The communication passage is cut off by a closure member arranged between both of the chambers. The syringe and the container chamber are moved in proximity to each other, thereby displacing the closure member so as to open the communication passage. An injector of the present invention is compact in shape but can retain sterility assuredly while being stored and mix both of the components accommodated therein surely through a simple operation just before administration. Further, it can prevent the piercingness of an injection needle from being damaged at the time of a mixing operation and easily remove a syringe after the mixing operation.

L'invention porte sur une partie de raccordement d'aiguille d'une seringue. Cette dernière comprend une chambre de logement du médicament, contenant un premier principe, qui est opposée à l'orifice de sortie d'un contenant fermé hermétiquement. Ce dernier comporte également une chambre qui contient un second principe. La seringue est reliée au contenant par un raccord de sorte qu'elle est mutuellement mobile à proximité et conçue pour se détacher du raccord. L'invention prévoit un passage permettant de relier la chambre de logement du médicament à la chambre du contenant. Ce passage est bloqué par un élément de fermeture placé entre les deux chambres. La seringue et la chambre du contenant sont placées à proximité l'une de l'autre, déplaçant ainsi l'élément de fermeture pour ouvrir le passage susmentionné. L'injecteur divulgué est de forme compacte et peut certainement demeurer stérile pendant l'entreposage. Il peut également mélanger les deux principes logés à l'intérieur par une simple manoeuvre juste avant l'injection. De plus, il empêche de diminuer la capacité de perforation de l'aiguille d'injection au moment du mélange et permet de retirer facilement une seringue une fois le mélange effectué.

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