THERAPEUTIC AGENT DELIVERY DEVICE Russian patent published in 2019 - IPC A61M5/315 

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment, namely to a system for storing and delivering a given amount of fluid. System for storing and delivering a given amount of fluid comprises: (a) a syringe having a longitudinal axis comprising: (i) a cylinder comprising: (a) a first end, (b) a second end, and (c) a gap extending between the first and second ends, (ii) a first flange disposed at the second end and extending from the longitudinal axis, and (iii) a plunger assembly configured to be located in the cylinder opening and moving relative to the lumen for drawing the fluid into and out of the syringe, wherein the plunger assembly comprises: (a) a piston, (b) a plunger rod comprising a first end and a second end, wherein a first end of the plunger rod is connected to the piston, wherein the plunger rod comprises a second flange at a second end of the plunger rod; and (b) a first limiting member configured to be detachably connected to at least one of the cylinder, the first flange or plunger unit, wherein the first limiting member is configured to limit the extension of the plunger assembly relative to the cylinder to prevent the plunger assembly from extending beyond the first predetermined distance from either the first flange portion or the cylinder portion. At that, the system additionally contains an adapter, where the plunger rod is made with possibility of disconnection from the piston, besides, the adapter is arranged with the possibility to be installed in the cylinder second end in the absence of the plunger rod, wherein the adapter is configured to connect the syringe fluidly to a fluid source under pressure to move the piston inside the lumen.

EFFECT: disclosed is a therapeutic agent delivery device.

14 cl, 36 dwg