Disposable syringe and compression device therefor

Claim 1

A COMPRESSION DEVICE FOR USE WITH A DISPOSABLE HYPODERMIC SYRINGE HAVING A COLLAPSIBLE MEDICAMENT CONTAINING SAC WITH THE HUB OF A HYPODERMIC NEEDLE CONNECTED TO ONE END THEREOF, SAID DEVICE COMPRISING; A PAIR OF SIMILAR OPPOSED COMPRESSION PLATES WHICH ARE CONNECTED CLOSELY TOGETHER AT ONE END THEREOF BY V-SHAPED SPRING MEANS AND NORMALLY DIVERGE OUTWARDLY THEREFROM TO THE FREE ENDS THEREOF, A PAIR OF SIMILAR COMPRESSION PLATE ACTUATORS OF SLIGHTLY LESS WIDTH THAN THE WIDTH OF SAID COMPRESSION PLATES, ONE OF WHICH ACTUATORS IS SECURED TO THE OUTER SIDE OF EACH OF SAID COMPRESSION PLATES, THE OUTER SURFACE OF SAID ACTUATORS DIVERGING OUTWARDLY FROM THE OUTER SIDES OF SAID COMPRESSION PLATES AS THEY EXTEND FROM THE FREE ENDS OF SAID COMPRESSION PLATES TOWARD THE CONNECTED ENDS THEREOF, A TUBULAR HOUSING WHICH IS OPEN AT ONE END THEREOF AND IS PROVIDED WITH A PAIR OF DIAMETRICALLY OPPOSED ELONGATED SLOTS IN THE SIDE WALL THEREOF, SAID COMPRESSION PLATES AND ACTUATORS BEING MOUNTED IN SAID HOUSING WITH SAID ACTUATORS EXTENDING OUT THROUGH SAID SLOTS, SAID COMPRESSION PLATES BEING ADAPTED WHEN IN NORMAL DIVERGENT POSITION TO HAVE SAID SAC INSERTED THEREBETWEEN AND TO BE MANUALLY PRESSED THROUGH SAID ACTUATORS FROM DIVERGENT POSITION TO SUBSTANTIALLY PARALLEL POSITION TO THEREBY COLLAPSE SAID SAC AND EXPEL MEDICAMENT THEREFROM.