CN217187252U - A new type of quick-release anti-flow infusion connector - Google Patents

Abstract

The utility model discloses a novel quick-release anti-flow infusion joint, which comprises a base, an upper shell is arranged on the upper end of the base, and three support springs are fixedly connected to the inner wall of the middle part of the upper shell, and the support springs are close to the upper shell One end at the center is fixedly connected with an arc-shaped elastic plate, one end of the arc-shaped elastic plate close to the center of the upper shell is fixedly connected with an elastic sealing gasket, and the inner wall of the upper shell close to the upper part is fixedly connected with a stopper. The center of the stopper is provided with a limiting groove, the inner wall of the upper part of the upper shell is fixedly connected with a ring-shaped disinfection pad, the outer wall of the upper end of the upper shell is provided with a connecting external thread, and the inner wall of the lower end of the base is provided with a connecting inner thread, The center of the base is provided with a liquid medicine flow channel. The utility model discloses a novel quick-release anti-flow infusion joint. The quick-release anti-flow infusion joint has simple operation, good anti-reflux effect and strong usability.

Description

A new type of quick-release anti-flow infusion connector

technical field

The utility model relates to the technical field of infusion joints, in particular to a novel quick-release anti-flow infusion joint.

Background technique

At present, there are many types of infusion connectors on the market. However, most of the infusion connectors have no anti-reflux function. For some infusion connectors with anti-reflux function, the anti-reflux effect is not good. In clinical treatment, blood transfusion, infusion or Drug injection is the most common method of treating patients. Heparin caps are commonly used in traditional infusion care, which requires a needle to pierce the heparin cap before infusion. Since acupuncture is required during use, it is easy for medical staff to be needled. Cause cross-infection; when the traditional needle-free infusion connector is in use, when the luer taper is removed after the infusion, a certain negative pressure will be generated. Thrombosis, leading to blockage of the indwelling needle, for which technical improvements are urgently needed.

The existing patent (publication number: CN213642535U) discloses an anti-reflux infusion joint, including an infusion joint, the inner side wall of the infusion joint is sealed with a collar, and a one-way circulation cut-off part is arranged in the collar; The cut-off part includes several valves that are fixedly connected to the inner side wall of the collar. These valves are opened when the liquid inside the infusion connector flows toward the preset flow direction and closed when the pressure is in the opposite direction. The valve of the one-way flow cut-off part can be realized The liquid flows toward the preset flow and ends in the opposite direction. No matter how fast the infusion rate is, there will be no liquid backflow. The elastic support ribs and the support plate can improve the anti-punch performance of the valve, but the infusion connector cannot connect the needle tube and the infusion connector. It is easy to cause secondary infection of patients. In view of the above problems, the utility model proposes a novel quick-release anti-flow infusion connector to facilitate people's use.

Utility model content

The purpose of the utility model is to propose a novel quick-release anti-flow infusion connector in order to solve the shortcomings in the prior art.

In order to achieve the above purpose, the present invention adopts the following technical solutions: a novel quick-release anti-flow infusion joint, comprising a base, an upper shell is arranged on the upper end of the base, and the inner wall of the middle part of the upper shell is fixedly connected with three supports Spring, one end of the support spring close to the center of the upper shell is fixedly connected with an arc-shaped elastic plate, and one end of the arc-shaped elastic plate close to the center of the upper shell is fixedly connected with an elastic sealing gasket, and the upper shell is close to the upper shell. The inner wall is fixedly connected with a stopper, the center of the stopper is provided with a limiting groove, and the inner wall of the upper part of the upper shell is fixedly connected with a ring-shaped disinfection pad.

As a further description of the above technical solution:

The outer wall of the upper end of the upper shell is provided with a connecting external thread.

As a further description of the above technical solution:

The inner wall of the lower end of the base is provided with a connecting inner thread.

As a further description of the above technical solutions:

The center of the base is provided with a liquid medicine flow channel.

As a further description of the above technical solution:

The center of the upper end surface of the base is provided with a sealing plate, and the center of the end surface of the sealing plate is provided with a through hole.

As a further description of the above technical solution:

The limiting groove is opened in an inclined plane.

As a further description of the above technical solution:

The elastic sealing gasket is made of silicone material.

As a further description of the above technical solution:

One end of the arc-shaped elastic plate close to the support spring is fixedly connected with the inner wall of the upper shell.

The utility model has the following beneficial effects:

1. A novel quick-release anti-flow infusion joint proposed by the present utility model, compared with the existing infusion joint, the infusion joint is provided with an arc-shaped elastic plate. When the needle tube is inserted into the arc-shaped elastic plate, the arc The elastic plate begins to be squeezed by the needle tube under the action of elasticity. When the needle tube completely enters the interior of the arc-shaped elastic plate, the elastic sealing gasket will seal and wrap the outer wall of the needle tube, and at the same time, under the action of the support spring, the arc shape is guaranteed. The elastic plate and the elastic gasket wrap the needle tube. When the needle tube is pulled out, the support spring, the arc-shaped elastic plate and the elastic gasket return to the original place under the action of the elastic force. At this time, the liquid cannot pass through the elastic gasket, so the effective Prevents the occurrence of reflux phenomenon.

2. A new type of quick-release anti-flow infusion joint proposed by the present utility model, compared with the existing infusion joint, the anti-flow infusion joint can sterilize the connection between the needle tube and the infusion joint through the annular disinfection pad, thereby preventing The secondary infection of the patient is avoided, and the practical performance of the anti-flow infusion joint is improved.

3. A novel quick-release anti-flow infusion joint proposed by the present utility model, compared with the existing anti-flow infusion joint, the anti-flow infusion joint is provided with a stopper and a limit groove, which can facilitate the staff to insert the needle tube, The needle tube is avoided to be inserted crookedly, thereby bringing convenience to the actual use of the staff.

Description of drawings

Fig. 1 is a front sectional view of a novel quick-release anti-flow infusion joint proposed by the utility model;

Fig. 2 is the axonometric view of a novel quick-release anti-flow infusion joint proposed by the utility model;

Fig. 3 is a top sectional view of a novel quick-release anti-flow infusion joint proposed by the utility model;

4 is an axonometric view of an arc-shaped elastic plate and an elastic sealing gasket of a novel quick-release anti-flow infusion joint proposed by the utility model;

FIG. 5 is an enlarged view of A in FIG. 1 .

illustration:

1. Upper shell; 2. Base; 3. Support spring; 4. Curved elastic plate; 5. Elastic sealing gasket; 6. Stopper; 7. Limit groove; 8. Ring type disinfection pad; 9. External thread ; 10. Internal thread for connection; 11. Liquid flow channel; 12. Sealing plate; 13. Through hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance. In addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-5, an embodiment provided by the present utility model: a novel quick-release anti-flow infusion connector, including a base 2, the upper end of the base 2 is provided with an upper shell 1, and the inner wall of the middle of the upper shell 1 is fixedly connected with three A supporting spring 3, one end of the supporting spring 3 close to the center of the upper shell 1 is fixedly connected with an arc-shaped elastic plate 4, and one end of the arc-shaped elastic plate 4 close to the center of the upper shell 1 is fixedly connected with an elastic sealing gasket 5, the upper shell 1. The inner wall near the upper part is fixedly connected with a stopper 6, a limit slot 7 is set at the center of the stopper 6, and a ring-shaped disinfection pad 8 is fixedly connected to the inner wall of the upper part of the upper shell 1. When the needle tube is pulled out, the supporting spring 3, the arc The shaped elastic plate 4 and the elastic sealing gasket 5 return to their original positions under the action of the elastic force, and the liquid cannot pass through the elastic sealing gasket 5 at this time, thus effectively preventing the occurrence of reflux phenomenon.

The outer wall of the upper end of the upper shell 1 is provided with a connecting external thread 9, the inner wall of the lower end of the base 2 is provided with a connecting internal thread 10, the center of the base 2 is provided with a liquid medicine flow channel 11, and the center of the upper end face of the base 2 is provided with a sealing plate 12. , the center of the upper end face of the sealing plate 12 is provided with a through hole 13, the limit groove 7 is opened on an inclined surface, the elastic sealing gasket 5 is made of silicone material, and the end of the arc-shaped elastic plate 4 close to the support spring 3 is connected to the inner wall of the upper shell 1. Fixed connection, the anti-flow infusion connector passes through the annular disinfection pad 8, which can disinfect the connection between the needle tube and the infusion connector, thereby avoiding secondary infection of the patient and improving the practical performance of the anti-flow infusion connector.

Working principle: When the needle tube is inserted into the arc-shaped elastic plate 4, the arc-shaped elastic plate 4 begins to be squeezed by the needle tube under the action of elasticity. When the needle tube completely enters the inside of the arc-shaped elastic plate 4, the elastic sealing gasket 5 will The outer wall of the needle tube is sealed and wrapped, and at the same time, under the action of the support spring 3, the wrapping of the needle tube by the arc-shaped elastic plate 4 and the elastic gasket 5 is guaranteed. When the needle tube is pulled out, the support spring 3, the arc-shaped elastic plate 4 and the The elastic sealing pad 5 returns to its original place under the action of elastic force, and the liquid cannot pass through the elastic sealing pad 5 at this time, thus effectively preventing the occurrence of reflux phenomenon. The connection between the needle tube and the infusion connector is sterilized, thereby avoiding the secondary infection of the patient and improving the practical performance of the anti-flow infusion connector.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (8)

1. A novel quick-release anti-flow infusion connector, comprising a base (2), characterized in that: the upper end of the base (2) is provided with an upper shell (1), and the inner wall in the middle of the upper shell (1) is fixed Three supporting springs (3) are connected, and one end of the supporting springs (3) close to the center of the upper shell (1) is fixedly connected with an arc-shaped elastic plate (4), and the arc-shaped elastic plate (4) is close to the upper shell. (1) An elastic sealing gasket (5) is fixedly connected to one end at the center, and a stopper (6) is fixedly connected to the inner wall of the upper shell (1) near the upper part, and the center of the stopper (6) has a limited opening. A slot (7) is provided, and an annular sterilizing pad (8) is fixedly connected to the inner wall of the upper part of the upper shell (1). 2. A novel quick-release anti-flow infusion joint according to claim 1, characterized in that: the outer wall of the upper end of the upper shell (1) is provided with a connecting external thread (9). 3. A novel quick-release anti-flow infusion joint according to claim 1, characterized in that: the inner wall of the lower end of the base (2) is provided with a connecting inner thread (10). 4. A novel quick-release anti-flow infusion joint according to claim 1, characterized in that a medicinal liquid flow channel (11) is opened at the center of the base (2). 5. A novel quick-release anti-flow infusion joint according to claim 1, characterized in that: a sealing plate (12) is provided at the center of the upper end face of the base (2), and the sealing plate (12) A through hole (13) is opened at the center of the upper end surface. 6 . The novel quick-release anti-flow infusion joint according to claim 1 , wherein the limiting groove ( 7 ) is opened on an inclined surface. 7 . 7 . The novel quick-release anti-flow infusion joint according to claim 1 , wherein the elastic sealing gasket ( 5 ) is made of silicone material. 8 . 8. A novel quick-release anti-flow infusion joint according to claim 1, characterized in that: one end of the arc-shaped elastic plate (4) close to the support spring (3) is connected to the inner wall of the upper shell (1). Fixed connection.

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