SAFE CATHETER PROTECTED FROM REUSING Russian patent published in 2021 - IPC A61M25/06 A61M5/50 

FIELD: medical equipment.

SUBSTANCE: invention relates to a safe catheter protected from reusing, the structure whereof prevents reuse thereof, safe for use and mainly applied in hospitals for injecting a medicinal product to a patient. The safe catheter protected from reusing comprises a catheter sleeve, located wherein is an internal needle; a cannula sleeve containing an internal needle inserted and passing inside the catheter sleeve, located therein for inserting the external needle into a blood vessel and separating said needle from the catheter sleeve; and a locking guide assembly containing a through hole designed so as to allow for the passage of the internal needle through said hole. The locking guide assembly constitutes an injection-moulded part independent of the cannula sleeve and maintains the fixed state thereof in the cannula sleeve by means of the internal needle, wherein an inclination is created in the locking guide assembly when the locking force stops acting upon retrieval of the internal needle, so that the position of the through hole is changed, wherein the through hole is deformed upon retrieval of the internal needle so that repeat insertion of the internal needle is blocked. Provided in the present invention is a safe catheter protected from reusing, implemented by means of low production costs. Also provided in the present invention is a safe catheter protected from reusing, the structure whereof prevents the user from performing manipulations therewith aimed at reusing.

EFFECT: creation of a safe catheter with a structure preventing reuse thereof.

7 cl, 11 dwg