SINGLE-USE SYRINGE

Abstract

The invention relates to medical equipment, in particular to single-use devices for injection. The syringe consists of a needle, a barrel, a plunger, and a plunger stopper. The plunger with the plunger stopper has the same length as the syringe barrel and a specific form of a cylindrical handle stop. In order to release the solution, the syringe has not one but several small holes allowing the solution to pass through smoothly, while preventing the plunger from being pushed out from the needle fitting tip. The technical result consists in preventing reuse of the syringe with full immersion of the plunger.

Claims

1. A single-use syringe, comprising a needle, a barrel, a plunger stopper with a plunger, and a handle stop which is cylinder-shaped with a diameter equal to an inner diameter of the barrel, which does not allow the plunger to be moved to its operational position after complete injection of a solution, wherein the syringe has more than one openings for the solution to be released thus preventing the plunger stopper with a plunger from pushing on a side of a needle fitting.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The gist of the disclosure is exposed by drawings showing the following:

[0016] FIG. 1 shows a side view of a syringe with a staked-in needle.

[0017] FIG. 2 shows a side view of a syringe, the option with a removable needle and several holes for the solution to be released.

[0018] FIG. 3 shows a side view of a used syringe with a fully plunged plunger stopper.

[0019] FIG. 4 shows a side view of the plunger.

[0020] FIG. 5 is a perspective view of a plunger stopper with a plunger.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0021] The syringe includes a barrel (1) with a plunger stopper (2) with a plunger (3) in its opening, a needle (5), and a protective cap (6) which prevents the plunger from being pressed on during transportation. On the unload side, the plunger (3) has a cylindrically-shaped handle stop (4) with a diameter equal to the inner diameter of the syringe barrel. To prevent the plunger stopper from being pushed out with the plunger in the version of a syringe with a removable needle, there is not one but several holes (7) used.

[0022] The syringe works as follows. Before using the syringe, the protective cap (6) is to be removed. The design of the single-use syringe allows multiple drawings of the solution and a single complete injection of the solution.

[0023] Therefore, the present invention allows to prevent reuse of a syringe following a complete injection of the solution, as well as to retain the usual look and the ease of manufacture of available single-use syringes.

[0024] The designations adopted in the drawings:

[0025] 1barrel,

[0026] 2plunger,

[0027] 3plunger stopper,

[0028] 4plunger's handle stop,

[0029] 5needle,

[0030] 6protective cap,

[0031] 7openings for solution release.