AUTOMATIC MEDICAL SYRINGE WITH ANTI-TWISTING DEVICE Russian patent published in 2022 - IPC A61M5/31 

FIELD: medical equipment.

SUBSTANCE: present invention relates to a drug delivery device with anti-scrolling devices. In one embodiment of the present invention, the drug delivery device may comprise a tubular body comprising a first end region, a second end area and a cavity extending from the first end area to the second end area. Outer surface of the tubular housing has a first opening communicating with the cavity. Tubular housing outer surface may further comprise a ledge extending along the boundary of the first hole, and the part of the ledge closest to the area of the second end of the tubular housing can be made in the form of an arrowhead. Drug delivery device can also comprise a cap configured to engage with a region of the second end of the tubular body, wherein the cap can comprise a central longitudinal axis, a first end having a first cross-sectional dimension, and a second end having a second cross-sectional dimension greater than the first cross-sectional dimension. Cap can further comprise a curved side wall extending radially outward from the first end to the second end, and the curved side wall can comprise a projection.

EFFECT: disclosed is an automatic medical syringe with an anti-spinning device.

22 cl, 18 dwg