Two piece syringe locking device

Details Two piece syringe locking device Two piece syringe locking device

A - Human Necessities

61

M

128/85

A61M 5/315 (2006.01) A61B 5/14 (1990.01)

Patent

CA 1275214

Abstract of the Disclosure A device for selectively locking a syringe plunger against longitudinal movement with respect to the syringe barrel includes two interlocking device parts. Each device part has a generally flat body with a generally semi-circular inner peri- meter and first and second ends. A ridge extends along the inner perimeter of each half for engaging the syringe plunger when the plunger is rotated to a predetermined angular position. Each interlocking part has mating structures at each end for mat- ing with the other device part and has a flange for retaining the assembled locking device on the syringe barrel. The syringe and locking device are assembled by insert- ing the plunger in the syringe barrel and then snapping the two device parts together around the proximal end of the syringe barrel.

510561

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