NEEDLE TIP SAFETY DEVICE FOR ASSEMBLED INTRAVENOUS CATHETER Russian patent published in 2016 - IPC A61M25/06 

FIELD: medicine.

SUBSTANCE: needle tip safety device comprises: a main part 12 comprising a canal 14 extending along the axial direction A and intended to enclose a needle 34 comprising a needle stem 38 so that the needle 34 can extend through the canal 14 and move in relation to the needle tip safety device 10 from the separated position, wherein the needle tip 36 is outside the needle tip safety device 10 to the protective position, wherein the needle tip 36 is covered with the needle tip safety device 10; the first 16 and second 18 clamps extending from the distal side of the above main part 12 generally in the axial direction A; each of the above first 16 and second 18 clamps comprises a head part 20, 22 located within its free end; the above first clamp 16 is provided above the needle stem in the separated position; one or more locks on the outer surface of the needle tip safety device 10 for secure mounting of the above needle tip safety device 10 to the above medical device; and at least one flexible element or elastic element 26 integrated with the above clamps 16, 18 between the above main part 12 and head parts 20, 22 so that the above flexible element or elastic element 26 affects by means of an inward restoring force on the above clamps 16, 18 when the clamps are separated completely or partially by means of the above needle stem 38.

EFFECT: using the invention provides the reliable protection against accidental needlestick even if storing the medical device for a long time.

10 cl, 9 dwg