SYRINGE WITH DISABLING MECHANISM Russian patent published in 2017 - IPC A61M5/50 

Abstract RU 2623306 C1

FIELD: medicine.

SUBSTANCE: application describes a syringe with a passive disabling system to prevent its reuse. The syringe comprises a cylinder, a piston rod and a closure; the piston rod comprises a flexible projection which locks the piston rod in the cylinder. The syringe also accommodates a breakable part of the piston rod which breaks down if attempted to reuse. Furthermore, there is a spacer element between the flexible lip and the annular shoulder. The spacer includes the first lobe and the second lobe extending in the distal direction which intersect to form a crossing portion, and which have a rounded edge with height decreasing from the outer edge of the annular flange portion to the intersection.

EFFECT: syringe reuse prevention.

27 cl, 55 dwg

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RU 2 623 306 C1

Authors

Kaitstsa Richard Dzh.

Oudell Robert B.

Uejmen Brajan Kh.

Dates

2017-06-23Published

2011-09-16Filed