Patent ID: 9017287
Filing Date: 2015-04-28
Classification: A61M

Abstract:
1. A syringe plunger, comprising: an upper solid portion having a circular cross-sectional profile; a lower solid portion having a distal end operable to move a bung and to transmit an expulsion force thereto, the lower solid portion having a circular cross-sectional profile and a first circular circumference; and a projecting portion comprising two flexible elbows on either side of a central void extending along a central axis of the plunger between the upper and lower solid portions, wherein the flexible elbows project outwardly from the central void when the projecting portion is in a first projecting position, and wherein the flexible elbows are inwardly collapsible toward the central void to fit within the first circular circumference when the projecting portion is in a second collapsed position.