Safety insert for single-use disposable syringes

Abstract

Safety insert for disposable syringes, comprising at least one attachment member whose point allows advance of the stem during injection of the syringe content and prevents its retraction once said injection is performed on attaching to the inner walls of the cylinder, and having at least one perforating member with a gaff at its end able to dig into the plunger and pass through its wall, thus breaking the tightness of the compartment of the cylinder intended to contain the substance to be injected when retraction of the stem is attempted following the injection.

Description

technical field [0001] The invention relates to a safety insert for a disposable syringe, which can be guided into the interior of the syringe. Background technique [0002] Presently, the use of disposable syringes is of great importance for avoiding the transmission of infectious diseases such as hepatitis or AIDS, both for healthy persons and for actual users of such syringes. [0003] These syringes are very simple in construction, as they generally consist of a cylindrical element, usually made of plastic material, with a needle tip at one end and a circular opening at the other, and an inner element with a The sealing plunger and the other end is the base to push or pull the plunger, and the stem connecting the two end elements. [0004] Despite the fact that these disposable syringes, usually made of plastic, are inexpensive and suitable for only one use, they are also frequently reused, especially by drug users who inject substances intravenously, who are at greater...

AI Technical Summary

Problems solved by technology

Thus, after the syringe has been used, the mouth reaches the final blocking position, thereby avoiding a retraction movement of said mouth when the syringe is already empty, but the structure may be sensitive to slight gaps

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