Disposable syringe for once-only use

A - Human Necessities – 61 – M

Patent

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128/88

A61M 3/00 (2006.01) A61M 5/50 (2006.01) A61M 5/32 (2006.01)

Patent

CA 2036203

Abstract: DISPOSABLE SYRINGE FOR ONCE-ONLY USE The invention provides a disposable syringe which can be used once only. The syringe comprises a shaft connected to a plunger slidable within the syringe cylinder. At that end at which the hypodermic needle is mounted the cylinder comprises a hole into which a hollow shaped element projecting into the cylinder is inserted and locked. This element becomes securely coupled to a portion shaped complementary to it provided at the adjacent free end of the shaft or of the plunger carried by this latter, so preventing re-use of the syringe after the shaft has been lowered to engage said shaped portion with the shaped element projecting from the cylinder.

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