CN219071572U

CN219071572U - Anti-drop's transfusion system

Info

Publication number: CN219071572U
Application number: CN202320255279.2U
Authority: CN
Inventors: 任琳; 李绒; 陈悦; 张燕茹; 李瑶瑶
Original assignee: Second Medical Center of PLA General Hospital
Current assignee: Second Medical Center of PLA General Hospital
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-05-26
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to an anti-drop infusion apparatus, which comprises: the infusion set comprises an infusion set main body and an infusion bottle, wherein a front cavity box is arranged on the outer side of a bottle stopper of the infusion set, a limiting disc is sleeved at the root of a bottle stopper puncture needle in the infusion set main body, an auxiliary puncture needle is arranged on the limiting disc in the same direction as the bottle stopper puncture needle, a barb is arranged on the auxiliary puncture needle, and the length of the auxiliary puncture needle is smaller than the depth of the front cavity box; when the bottle stopper puncture needle head pierces the infusion bottle, the auxiliary puncture needle head pierces the front cavity box, and the auxiliary puncture needle head rotates around the bottle stopper puncture needle head and damages the outer wall of the front cavity box through rotating the limiting disc, and the barb is clamped on the inner side of the outer wall of the front cavity box to realize the tight connection between the infusion apparatus main body and the infusion bottle. The utility model has simple structure, less change to the existing products, low manufacturing cost and suitability for popularization and application; medical staff only need rotate the limit plate after normally puncturing the bottle stopper can, the simple operation, firm in connection is inseparable.

Description

Anti-drop's transfusion system

Technical Field

The utility model relates to the technical field of medical equipment, in particular to an anti-falling infusion apparatus.

Background

Medical transfusion makes the auxiliary treatment means commonly used in clinical medical treatment work establish a channel between a vein and liquid medicine through aseptic treatment, and has very wide application in China. The common disposable transfusion system is generally formed by connecting a bottle stopper puncture needle head, an air inlet pipe air filter, a Murphy dropper, a flow rate regulator, a liquid medicine filter, a transfusion hose, a protective cap and a vein needle.

As shown in fig. 1, after the bottle stopper puncture needle penetrates into the infusion bottle, the bottle stopper puncture needle is extruded by the rubber stopper at the bottle mouth to fix the infusion bottle. In the face of patients with behaviors such as children patients or epileptic patients which are difficult to control or unconscious, accidents that the bottle stopper puncture needle falls off from the infusion bottle frequently occur, the infusion set needs to be replaced again, secondary injection operation is carried out on the patients, pain of the patients is increased, workload of medical staff is increased, and potential safety hazards are brought to the bottle stopper puncture needle exposed outside.

Therefore, there is a need in the art for an infusion set that prevents the stopper spike from falling off during infusion.

The information disclosed in this background section is only for enhancement of understanding of the general background of the application and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The utility model aims to provide an anti-drop infusion apparatus, which solves the technical problems in the prior art.

In order to solve the technical problems, the utility model provides an anti-drop infusion apparatus, which comprises: the infusion set comprises an infusion set main body and an infusion bottle, wherein a front cavity box is arranged on the outer side of a bottle stopper of the infusion set main body, a limiting disc is sleeved at the root part of a bottle stopper puncture needle head in the infusion set main body, an auxiliary puncture needle head is arranged on the limiting disc in the same direction as the bottle stopper puncture needle head, a barb is arranged on the auxiliary puncture needle head, and the length of the auxiliary puncture needle head is smaller than the depth of the front cavity box; when the bottle stopper puncture needle head pierces the infusion bottle, the auxiliary puncture needle head pierces the front cavity box, and the auxiliary puncture needle head rotates around the bottle stopper puncture needle head and damages the outer wall of the front cavity box by rotating the limiting disc, and the barb is clamped on the inner side of the outer wall of the front cavity box to realize the tight connection between the infusion apparatus main body and the infusion bottle.

Further, the front cavity box is clamped at the bottle mouth of the infusion bottle and is fixed with the infusion bottle.

Further, the front cavity box is arranged close to the box wall of the bottle plug and is provided with a rubber wall.

Further, the outer wall of the front cavity box is an aluminum metal thin wall.

Further, the auxiliary puncture needle head is provided with a plurality of barbs.

Further, the outer diameter of the limiting disc is larger than the outer diameter of the front cavity box.

Further, anti-skid patterns are arranged on the periphery of the limiting disc.

By adopting the technical scheme, the utility model has the following beneficial effects:

according to the anti-drop infusion apparatus provided by the utility model, when the bottle stopper puncture needle penetrates into an infusion bottle, the auxiliary puncture needle penetrates into the front cavity box at the infusion bottle mouth, the auxiliary puncture needle cuts the side wall of the front cavity box through rotating the limiting disc, and after rotating, accidental drop of the bottle stopper puncture needle is prevented by utilizing the barb on the auxiliary puncture needle.

The box wall setting that the front-end chamber box pressed close to the bottle plug is the rubber wall, can increase the extrusion dynamics to bottle plug pjncture needle, prevents that bottle plug pjncture needle from droing.

The utility model has simple structure, less change to the existing products, low manufacturing cost and suitability for popularization and application; medical staff only need rotate the limit plate after normally puncturing the bottle stopper can, the simple operation, firm in connection is inseparable.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings needed in the embodiments or the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a prior art connection between an infusion set and an infusion bottle;

FIG. 2 is a schematic structural view of an anti-drop infusion set according to an embodiment of the present utility model;

FIG. 3 is an enlarged schematic view of area A in FIG. 2;

icon: 1 infusion bottle, 2 infusion set main body, 3 bottle stopper puncture needle head, 4 limit disk, 5 pairs of puncture needle heads, 6 barbs, 7 bottle stopper, 8 front cavity box, 9 box wall, 10 outer wall.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 2 and 3, an embodiment of an anti-drop infusion apparatus according to the present utility model is shown, in which the anti-drop infusion apparatus includes: the infusion apparatus comprises an infusion apparatus main body 2 and an infusion bottle 1, wherein a preposed cavity box 8 is arranged on the outer side of a bottle plug 7 of the infusion bottle 1, the preposed cavity box 8 is clamped at the bottle mouth of the infusion bottle 1 and is fixed with the bottle mouth of the infusion bottle 1, a box wall 9 of the preposed cavity box 8 close to the bottle plug is provided with a rubber wall which is the same as the bottle plug in material, the puncture thickness of a bottle plug puncture needle head 3 is increased, the extrusion force of the bottle plug puncture needle head 3 is improved, and the bottle plug puncture needle head 3 is prevented from falling off. The infusion apparatus main body 2 is basically the same as the structure of the existing infusion apparatus, and is different in that the root of the bottle stopper puncture needle 3 is sleeved with a limit disc 4, the limit disc 4 can limit the limit position of the bottle stopper puncture needle 3 penetrating into the infusion bottle 1, the limit disc 4 and the bottle stopper puncture needle 3 are concentrically arranged, the outer diameter of the limit disc 4 is larger than that of the front cavity box 8, the limit disc 4 is convenient to rotate, anti-skid patterns are arranged on the periphery of the limit disc 4, external force is conveniently applied to the limit disc 4, the auxiliary puncture needle 5 is arranged on the limit disc 4 in the same direction as the bottle stopper puncture needle 3, barbs 6 are arranged on the

auxiliary puncture needle

5, 1 barb 6 can be arranged on the auxiliary puncture needle 5, 2 barbs or 3 barbs 6 can be arranged, the barbs 6 are arranged as close to the tip of the auxiliary puncture needle 5, the length of the auxiliary puncture needle 5 is smaller than the depth of the front cavity box 8, the auxiliary puncture needle 5 can puncture the outer wall 10 of the front cavity box 8 when the bottle stopper puncture needle 3 penetrates into the limit position of the infusion bottle 1, and the auxiliary puncture needle 5 cannot be kept in the front cavity box 8.

When the infusion bottle is used, the bottle stopper puncture needle 3 is penetrated into the infusion bottle 1 from the bottle opening, the auxiliary puncture needle 6 punctures the outer wall 10 of the front cavity box 8, the limiting disc 4 is rotated for a set angle, the set angle is smaller than 360 degrees, preferably within 90 degrees, and when the limiting disc 4 rotates, the needle handle of the auxiliary puncture needle 6 breaks the side wall 10 of the front cavity box 8, and the auxiliary puncture needle 6 is clamped inside the outer wall 10 of the front cavity box 8 by the barb 6 so as to realize the tight connection between the infusion set main body 2 and the infusion bottle 1; after transfusion is finished, the limit disk 4 is reversely rotated, so that the auxiliary puncture needle head 6 is pulled out after the puncture position is answered, and the auxiliary puncture needle head 6 is brought out while the bottle stopper puncture needle head 3 is pulled out.

The outer wall 10 of the front cavity box 8 is made of aluminum metal thin wall, the thickness of the aluminum metal thin wall is required to be met, medical staff can puncture the auxiliary puncture needle head 6, and when the limiting disc 4 is rotated, the needle handle of the auxiliary puncture needle head 6 can be cut.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. An anti-fall infusion set, the infusion set comprising: the infusion apparatus is characterized in that a preposed cavity box is arranged on the outer side of a bottle stopper of the infusion apparatus, a limiting disc is sleeved at the root of a bottle stopper puncture needle head in the infusion apparatus main body, an auxiliary puncture needle head is arranged on the limiting disc in the same direction as the bottle stopper puncture needle head, a barb is arranged on the auxiliary puncture needle head, and the length of the auxiliary puncture needle head is smaller than the depth of the preposed cavity box; when the bottle stopper puncture needle head pierces the infusion bottle, the auxiliary puncture needle head pierces the front cavity box, and the auxiliary puncture needle head rotates around the bottle stopper puncture needle head and damages the outer wall of the front cavity box by rotating the limiting disc, and the barb is clamped on the inner side of the outer wall of the front cavity box to realize the tight connection between the infusion apparatus main body and the infusion bottle.

2. The anti-drop infusion set according to claim 1, wherein the front cavity box is clamped at the opening of the infusion bottle and is fixed with the infusion bottle.

3. The anti-drop infusion set according to claim 1, wherein the pre-chamber cassette is provided as a rubber wall proximate the cassette wall of the stopper.

4. The anti-drop infusion set according to claim 1, wherein the outer wall of the pre-chamber box is a thin wall of aluminum metal.

5. The anti-drop infusion set according to claim 1, wherein a plurality of said barbs are provided on said secondary piercing needle.

6. The anti-drop infusion set according to claim 1, wherein the outer diameter of the limit plate is larger than the outer diameter of the pre-chamber box.

7. The anti-drop infusion set according to claim 1, wherein the limit plate is provided with anti-slip patterns on the peripheral side.