BACKFLOW FLUSHING NEEDLE Russian patent published in 2022 - IPC A61F9/07 

FIELD: medical equipment.

SUBSTANCE: invention relates to medical equipment, namely to needles for backflow flushing. It is a backflow flushing needle that is inserted into a cannula attached to the eyeball during an ophthalmic operation, while the backflow flushing needle includes a tubular main needle rod passing through the cannula, a tubular soft element having the same tubular shape with the same outer diameter and hollow cavity diameter as the main needle body, made of silicone polymer and connected to a tip of the main needle rod, and a rod-shaped inner element passing through corresponding tubular cavities of the main needle rod and the soft element, wherein the inner element is movable in the axial direction and allowing the tip of the inner element to protrude from the soft element or lead to a position away from the main needle rod.

EFFECT: obtaining a backflow flushing needle.

2 cl, 4 dwg