SELF-DESTROYING AND SELF-LOCKING SYRINGE Russian patent published in 2017 - IPC A61M5/50 

FIELD: medicine.

SUBSTANCE: invention refers to medical equipment, namely to self-destroying and self-locking syringes. Syringe comprises body with taper tip accommodating piston with seal and cross-shaped rod connected to each other by means of joint unit, which includes hollow stand with square cross-section located in center of piston on non-working side with grippers extending from its side walls in form of symmetric diverging elastic lobes, in upper part of which there are shaped holes, and lower part of cross-shaped rod enters hollow stand with allowance for stroke and comprises also needle processes symmetrically arranged in side planes directed upwards at acute angle to rod, shape and height of location of which match height of location of profiled holes of piston lobes, wherein on working side of piston shell is fixed with rapid hardening glue, which has in its center form bent upwards with thinned bottom wall, and upper part of conical tip is rounded and has shell breaking studs.

EFFECT: use of invention provides higher reliability of its disposable at simple design and minimum changes in modern technology of syringes’ manufacturing.

1 cl, 1 dwg