Automatic injector and cartridge or ampoule for use in...

Details Automatic injector and cartridge or ampoule for use in... Automatic injector and cartridge or ampoule for use in...

A - Human Necessities

61

M

128/84

A61M 5/24 (2006.01) A61M 5/20 (2006.01) A61M 5/28 (2006.01) A61M 5/32 (2006.01) A61M 5/34 (2006.01)

Patent

CA 1295902

ABSTRACT OF THE DISCLOSURE: Automatic injection device, as well as ampoule or cartridge for the same. In order to obtain a high speed discharge of an ampoule-hypodermic needle, as well as to ensure an operationallly reliable, low weight, robust small apparatus or ampoule at long storability, sterility and re- usability of components for a plurality of injection substances, the needle body of the cannula hypodermic needle is constructed over part of its extension as a needle bearing guided in sliding fit on the inner wall of the ampoule. Particularly with a view to administering separate injection substances, it is provided for an ampoule with needle and lifting element, that within the ampoule there is arranged a receptable forming a gas volume, which receptacle can be destroyed easily by initiating the lifting movement and which is resistant to the injection fluid surrounding it.

540982

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