RU185468U1 - SPRING SYRINGE FOR DISPOSABLE USE - Google Patents

Abstract

The utility model relates to medical instruments, equipment and devices. A disposable syringe includes a pen for typing and displacing fluid, stops-wings for fingers, hole-connector for the needle. It contains a corrugation container, a liquid displacer cup, a removable measuring ruler, an air bubble storage niche, while a corrugation container, a liquid collection and displacement pen, a liquid displacer cup, finger rest-wings and a hole for the needle are single product. This device allows you to simplify the design of disposable syringes, to eliminate contact friction between structural elements, to ensure the complete tightness of the syringe, which means to maintain its sterility as much as possible, reduce its size during transportation, storage (folded) and use. 8 s.p. f-ly, 3 ill.

Description

The technical field to which the utility model relates.

The utility model relates to medical instruments, equipment and devices.

State of the art

Known disposable syringes of a classic design, consisting of a cylinder, a piston, a pen and a needle, made of plastic, rubber and metal.

Known disposable injection syringe (utility model patent No. 16 455, A61M 5/50, 01/10/2001) containing a tubular body of polymer material, one end of which is provided with a baffle with an opening connecting the internal volume of the body with a nozzle for a needle, a piston is placed inside the body with a rod, while the piston is removable and repeating the shape of the body and has at least one annular protrusion on the outer surface of the cylinder, the rod is made of a rod and a tip with a thrust ring, the piston is made of elastic material and the stem is made of body material.

The disadvantage of this syringe and similar designs are: material consumption, laboriousness and high cost of production, volume, weight, the occurrence of friction between the cylinder and the piston during use, low environmental friendliness of materials, possible loss of tightness, and hence the sterility of the working volume.

Utility Model Disclosure

The objective of this solution is to rid the disposable syringe of the above disadvantages and to create a disposable syringe design with low material consumption, reduced manufacturing complexity, increased efficiency and environmental friendliness.

The technical result achieved by the implementation of the claimed solution is to simplify the design, the absence of contact friction between the structural elements, ensuring the complete tightness of the syringe, which means maximum preservation of its sterility, size reduction during transportation, storage (folded) and use.

The specified technical result is achieved due to the fact that

a disposable syringe, including a handle for typing and displacing fluid, stops-wings for fingers, hole-connector for the needle,

according to the invention

contains a corrugation container, a liquid displacer cup, a removable measuring ruler, a niche-storage of air bubbles,

at the same time, the corrugation capacity, the handle for dialing and displacing the liquid, the glass-displacer of the liquid, the stop-wings for the fingers and the hole-connector for the needle are a single product.

According to a preferred embodiment of the invention, the disposable syringe is made of polymeric materials.

At the same time, the handle for dialing and displacing the liquid and the support-wings for the fingers are made thickened in comparison with the corrugation capacity.

According to a preferred embodiment, the syringe is injection molded.

According to another preferred embodiment, the syringe is stamped.

The removable ruler can be made flexible. Also, the removable ruler can be made rigid.

According to one embodiment of the product, the liquid displacer cup has stability ribs.

At the same time, the liquid displacer cup may have stability ribs.

The entire syringe is a product made of thin, transparent, durable plastic, where the working corrugation container (as a volume for a liquid medication), the pen for dialing and displacing the liquid, the stop-wings for the fingers, the hole-connector for the needle and the removable one and the same combine together ruler, and connector-hole for the needle. As needles for this disposable corrugated syringe, steel needles used for classic syringes can be used.

In the factory-packaged form, these syringes are in the form of flat sealed tablets and take up a small volume.

Description of drawings

In FIG. 1 is a perspective view of a single-use corrugated syringe in a compressed state; FIG. 2 - the same, in an expanded state; in FIG. 3 is a general view of a classic syringe - a prototype.

Utility Model Implementation

The disposable corrugated syringe is a single (unpaired) design made by injection molding or plastic stamping with the following elements: corrugation container for liquid medicine (1) (see Figs. 1 and 2); hollow cup - liquid displacer (2); fluid dialing and displacement handle (3); finger wing stops (4); removable measuring ruler (5); niche-storage of air bubbles (6), made in the form of an influx; needle hole (7); needle (8). The classic syringe prototype has a cylinder (9) (see Fig. 3) and a piston (10).

The manufacture of a single-use corrugated syringe from transparent plastic provides visual observation of the fluid being collected into it, the presence of air bubbles, their shaking, their accumulation in the upper storage niche, which is an influx (6), with their subsequent displacement - removal from the syringe. The corrugation tank (1) is permissible thin-walled and extremely smooth both inside and out. This ensures maximum, almost complete, displacement for the purpose of the fluid collected in the syringe. The hollow cup located in the center of the corrugation container serves the same purpose — a liquid displacer (2). It has the shape of a flat, low, slightly conical, truncated cone. This provides a lightweight set - filling the corrugation container with liquid, as well as its easiest and most complete displacement and use. The full contact of the folds of the corrugation container in the compressed state of the package and in the state of complete displacement of the liquid serves the same purpose.

A single handle for filling and displacing a liquid (3) with a displacer cup (2) has stability ribs inside the cup (2). Therefore, they, like the wing-stops for fingers (4), are made of the same, but more thickened plastic than the corrugation container.

The removable measuring ruler (5) can be made flexible and has a calibrated milliliter measuring scale along which a measuring mark moves on the extreme moving plane of the corrugation.

As an implementation option, the packaging of corrugated syringes can be equipped with one removable rigid measuring ruler-holder. With a thin and flat end, it is inserted into the hole protruding beyond the handle of the set and displacing the liquid (3). The other l-shaped end, it is rigidly latched onto one of the stops-wings for fingers (4). After that, the corrugated syringe acquires lateral rigidity and ease of use. After using the syringe for its intended purpose, the holder ruler is removed for use with a new syringe.

The principal distinguishing feature of the corrugated syringe of the proposed design is its mismatch. While the prototype of the syringe is a twin design consisting of a separate cylinder (9) and a piston (10).

The claimed unpaired corrugated syringe, in the form of a single-piece or whole-stamped complex part, combines the functions of both a cylinder and a piston, i.e. performs the same functions as the prototype syringe with a cylinder-piston pair. Due to the features of the corrugation, the design has an original displacer cup (2) and a removable measuring ruler (5). The finger-rest wings (4) and the fluid dial and displacement handle (3) can have different shapes.

Another important distinguishing feature is that the proposed disposable corrugated syringe is spared the sliding friction forces inherent in the cylinder-piston pair of the prototype syringe. This relieves the new design of the requirements for providing mechanical strength, stiffness, stability shown to the cylinder and piston, which are made of durable, thick plastic, like metal.

On the contrary, the proposed corrugated syringe, due to its unpaired nature, does not need the listed strength properties and is made of thin and flexible plastic, for example, rubber. Only the wing-stops (4) and the dial and fluid displacement handle (3) have the required strength. Because of this, in the corrugated syringe of the proposed design, all the sensitivity of the fingers is only to feel the resistance of human tissues to the pressure of the stream and the resistance of the stream itself. In the prototype syringe, almost all finger sensitivity is useless to overcome a fairly decent friction between the cylinder and the piston.

Another hallmark. The prototype syringe in both compressed and expanded states occupies approximately the same volume equal to the total volume of the cylinder. About 2/3 of this volume is empty air, and only 1/3 of the plastic is the syringe made of.

On the contrary, the proposed corrugated syringe in a compressed packaging transport and stored condition occupies only 1/3 of its expanded working volume, which is almost equal only to the volume of plastic from which the corrugated syringe is made.

Ecological essence is perhaps the most important aspect of this corrugated syringe. It's no secret that the manufacture of disposable syringes from carbon plastics leads to pollution of the Planet. Due to its small mass and volume, this invention makes the terms of its natural decomposition several times lower than existing analogues.

Claims (10)

1. Disposable corrugated syringe, including a handle for typing and displacing fluid, stops-wings for fingers, hole-connector for the needle, characterized in that it contains a corrugation container, a cup - a liquid displacer having the shape of a truncated cone and located in the center of the corrugation container, a removable measuring ruler and a niche-storage of air bubbles, at the same time, the corrugation capacity, the handle for dialing and displacing the liquid, the glass-displacer of the liquid, the stop-wings for the fingers and the hole-connector for the needle are a single product. 2. Disposable corrugated syringe according to claim 1, characterized in that it is made of polymeric materials. 3. Disposable corrugated syringe according to claim 1, characterized in that the pen for dialing and displacing the liquid and the wing stops for the fingers are made thickened in comparison with the corrugation container. 4. The disposable corrugated syringe according to claim 1, characterized in that it is made by injection molding. 5. The disposable corrugated syringe according to claim 1, characterized in that it is made by stamping. 6. The disposable corrugated syringe according to claim 1, characterized in that the removable measuring ruler is flexible. 7. The disposable corrugated syringe according to claim 1, characterized in that the removable ruler is made rigid. 8. The disposable corrugated syringe according to claim 1, characterized in that the cup - liquid displacer has stability ribs.

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