Automatic injectors

Details Automatic injectors Automatic injectors

A - Human Necessities

61

M

128/88

A61M 5/19 (2006.01) A61M 5/20 (2006.01) A61M 5/31 (2006.01)

Patent

CA 1330184

ABSTRACT AUTOMATIC INJECTORS An automatic injector is provided having at least two chambers containing different ingredients of a medicament separated by an impermeable membrane. A lance is movable independently of a plunger to cut or pierce the membrane before a spring-loaded drive member for the plunger is released to drive a needle out of the body of the injector and discharge the medicament through the needle. A removable safety clip is provided for preventing movement of an actuating cap into an operative position for advancing the lance, and release of the drive member is preventable by a removable safety pin until the injector is to be used.

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