Viking non re-usable syringe

Details Viking non re-usable syringe Viking non re-usable syringe

A - Human Necessities

61

M

A61M 5/50 (2006.01) A61M 5/315 (2006.01)

Patent

CA 2320245

A non re-useable syringe involving a liquid tight seal between a barrel and sliding piston mechanism that may be used for any conventional syringe utility. The piston assembly comprises a dual valve that splits into two single valves upon expulsion of the liquid contents. The dual valve includes one valve that forms a seal with the barrel for the drawing in of liquid and one valve that forms a seal with the barrel for expulsion of the liquid. Upon the first expulsion of liquid from a respective syringe, the two valves detach from one another. This action leaves the valve for drawing liquid forever open, preventing the syringe from again drawing in liquid, thus non-useable. This improved single use syringe design also exhibits a cap at each end of the barrel and a safety latch mechanism as tamper proofing features.

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