NEEDLE UNIT AND SPRAYER FOR SUBCUTANEOUS LIQUID INJECTION USING SAME Russian patent published in 2014 - IPC A61M5/00 A61M37/00 

FIELD: medicine.

SUBSTANCE: group of inventions refers to medical equipment and describes versions of a sprayer for subcutaneous liquid injection and a needle unit. According to the first version, the sprayer comprises a body, a needle unit and a rubber element. The body comprises a drive, a cam turned by the drive, and a connection element reciprocated by the cam. The needle unit is detachably connected to the front end of the body. The rubber element is provided in the needle unit to block a leak-off of blood and liquid from a patient's skin flowing into the needle unit during a medical procedure. The needle unit comprises a needle holder, a liquid container, a movable rod and a lid. The needle unit of the sprayer for subcutaneous liquid injection, including a drug or a tattoo pigment applied on the skin, comprises a needle holder, a liquid container, a movable rod and a lid. The needle holder comprises needles and outlets for a liquid injection. The liquid container is connected to the needle holder via one hole and contains a liquid. One side of the movable rod is connected to the liquid container, and the other side thereof is detachably connected to one end of the drive in the above sprayer. The lid encloses the needle holder and the liquid container and comprises a support unit which the movable rod passes through. The group of inventions also involves a version of the sprayer and a version of the needle unit.

EFFECT: invention enables blocking a leak-off of the patient's blood and liquid flowing into the needle unit during a medical procedure.

16 cl, 9 dwg