A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/88
A61M 5/32 (2006.01) A61M 5/315 (2006.01) A61M 5/50 (2006.01) A61M 5/24 (2006.01) A61M 5/28 (2006.01) A61M 5/31 (2006.01)
Patent
CA 1317178
A B S T R A C T Safety device for an injection syringe needle. A safety device for an injection syringe comprising an outer casing defining an injection fluid space with a plunger movable therein, said plunger being adapted to be coupled with a plunger movable therein, said plunger being adapted to be coupled with a plunger rod provided with an actuating knob or ring, while at the opposite end of said casing a needle foot equipped with a hollow needle may be fixed thereto in such a manner that the needle bore communicates with the interior of the fluid space, the needle foot being movable inwards relative to the outer casing and adapted to be coupled to the piston in order that the needle may be retracted into said outer casing ; the needle foot (16) and the casing (1) are provided with mutually engageable locking means for locking the needle foot (16) in its non-retracted position, and the plunger (11) or the plunger rod (6) and the needle (15) or the needle foot (16) are provided with means for coupling the plunger (11) or plunger rod (6) with the needle (15) or needle foot (16) and releasing the needle or needle foot lock after the plunger (11) has been completely pushed all the way into the injection fluid space (1,10).
609504
Medical Patent Ltd.
Ridout & Maybee Llp
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