CN113209467A

CN113209467A - Anti-reflux Y-shaped connector

Info

Publication number: CN113209467A
Application number: CN202110343682.6A
Authority: CN
Inventors: 戴华英; 张志杰; 赵文龙
Original assignee: Beijing Demax Medical Tech Co Ltd
Current assignee: Beijing Demax Medical Tech Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-08-06

Abstract

The invention provides an anti-reverse flow Y-type connector, which belongs to the technical field of medical devices, so as to alleviate the technical problem that the Y-type connector is sealed by a silicone valve in the medical field, and is prone to leakage due to poor sealing. The Y-type connector includes a first body, a second body, a silicone valve and an anti-reverse flow valve; the first body is connected to one end of the second body, and the first body and the second body are provided with a common through hole; The anti-reverse flow valve is located at the connection part between the first body and the second body. In the case of blood backflow, the blood will compress the anti-reverse flow valve, so that the anti-reverse flow valve wraps the introduction member passing through the hole; the first body passes through the valve. The through hole has a built-in silicone valve, and the silicone valve is located on the side away from the blood outflow compared to the anti-backflow valve.

Description

Anti-reflux Y-shaped connector

Technical Field

The invention relates to the technical field of medical instruments, in particular to an anti-reflux Y-shaped connector.

Background

In the medical field, the conventional Y-shaped connector is sealed by a silicone valve, and when blood flows reversely through a hole and pressure is applied to the hemostatic valve, a gap is formed between an introducing member and the silicone valve, blood may leak from the gap, and hemostatic performance may not be sufficiently exerted.

Disclosure of Invention

The invention aims to provide an anti-backflow Y-shaped connector to solve the technical problem that the Y-shaped connector in the medical field is easily sealed by a silica gel valve and is easy to leak liquid due to poor sealing.

The invention provides an anti-reflux Y-shaped connector, which comprises: the anti-reflux valve comprises a first body, a second body, a silica gel valve and an anti-reflux valve;

the first body is connected to one end of the second body;

the first body and the second body are internally provided with a common through hole;

the anti-reflux valve is positioned at the connecting part of the first body and the second body, and under the condition of blood backflow, the blood can compress the anti-reflux valve to enable the anti-reflux valve to wrap the lead-in member passing through the through hole;

a silica gel valve is arranged in the first body through hole;

the silica gel valve is located and is compared in the one side that the valve of preventing the adverse current is kept away from blood outflow.

Furthermore, one end of the anti-reflux valve close to the silica gel valve is cylindrical, and the other end far away from the silica gel valve is in a circular truncated cone shape.

Furthermore, a through hole is formed in the axis of the valve for preventing backflow.

Furthermore, the first body is connected with the second body through a self-locking buckle structure.

Furthermore, the self-locking buckle structure comprises inverted right-angled trapezoid prism blocks arranged on two sides of the first body and openings arranged on two sides of the second body;

the inverted right trapezoid prism block of the first body is clamped into the opening at the corresponding position of the second body in a protruding mode to enable the first body to be connected with the second body.

Furthermore, the self-locking buckle structure comprises an annular bulge limit surrounding the first body and an annular groove arranged on the second body and corresponding to the annular bulge limit;

the annular bulge of the first body is clamped into the annular groove of the second body in a limiting way, so that the first body is connected with the second body.

Furthermore, the self-locking buckle structure also comprises strip-shaped bulges at two sides of the first body and strip-shaped openings at two sides of the second body;

the strip-shaped protrusion of the first body is embedded into the strip-shaped opening of the second body, so that the angles of the first body and the second body are fixed.

The invention provides an anti-reflux Y-shaped connector which comprises a first body, a second body, a silica gel valve and an anti-reflux valve, wherein the first body is connected to one end of the second body, a common through hole is formed in the first body and the second body, the anti-reflux valve is positioned at the connecting part of the first body and the second body, when the Y-shaped connector penetrates into a lead-in member for use, blood pressure can act on the outer wall of the anti-reflux valve to compress the anti-reflux valve, so that the anti-reflux valve wraps the outer wall of the lead-in member, self-sealing and anti-reflux effects are generated, the sealing performance of the Y-shaped connector is improved, the silica gel valve is arranged in the through hole of the first body, the silica gel valve is positioned on the side far away from the blood outflow side compared with the anti-reflux valve, the double valves are sealed, and the sealing performance of the Y-shaped connector is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an anti-backflow Y-type connector according to an embodiment of the present invention;

fig. 2 is a schematic view of a self-locking buckle structure 1 according to an embodiment of the present invention;

fig. 3 is a schematic view of a self-locking buckle structure 2 according to an embodiment of the present invention;

fig. 4 is a partially enlarged schematic view of the self-locking buckle structure 1 according to the embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of the self-locking buckle structure 2 according to the embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," and any variations thereof, as referred to in embodiments of the present invention, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the medical field, the conventional Y-shaped connector is sealed by a silicone valve, when blood flows reversely through a hole and pressure is applied to a hemostatic valve, a gap is formed between an introducing member and the hemostatic valve, blood may leak from the gap, and hemostatic performance may not be sufficiently exerted.

To solve the above problems, embodiments of the present invention provide a backflow prevention Y-type connector.

Referring to fig. 1, the backflow-preventing Y-shaped connector provided in this embodiment includes a first body 1, a second body 2, a silica gel valve 3, and a backflow-preventing valve 4.

Specifically, as shown in fig. 1, the first body 1 is connected to one end of the second body 2, and a common through hole 5 is formed in the first body 1 and the second body 2 for a lead-in member to pass through.

The anti-reflux valve 4 is positioned at the connecting part of the first body 1 and the second body 2, when the Y-shaped connector penetrates into the leading-in component for use, blood flows reversely, the blood pressure can act on the outer wall of the anti-reflux valve 4 to compress the anti-reflux valve 4, so that the outer wall of the leading-in component is wrapped by the anti-reflux valve 4, self-sealing and anti-reflux effects are generated, and the sealing performance of the Y-shaped connector is improved.

First body 1 passes hole 5 and embeds silica gel valve 3, and silica gel valve 3 is located and is compared in preventing that valve 4 keeps away from one side that blood flowed out, realizes that the bivalve is sealed, guarantees the leakproofness of Y type connector.

The anti-reflux valve 4 is cylindrical at one end close to the silica gel valve 3, is truncated cone-shaped at one end far away from the silica gel valve 3, and is provided with a through hole 6 on the axis line in the anti-reflux valve 4.

The first body 1 and the second body 2 are connected through a self-locking buckle structure 7, and the invention preferably provides two self-locking buckle structures.

As shown in fig. 2 and 4, the first self-locking fastener structure 7 includes an inverted right-angled trapezoidal prism block protrusion 71 disposed on both sides of the first body 1 and an opening 72 disposed on both sides of the second body;

the inverted right-angled trapezoidal prism projection 71 of the first body 1 is inserted into the opening 72 of the corresponding position of the second body 2, so that the first body 1 and the second body 2 are connected.

As shown in fig. 3 and 5, the second self-locking snap structure 7 includes an annular protruding limit 701 surrounding the first body 1 and an annular groove 702 provided on the second body 2 corresponding to the annular protruding limit 701;

the annular protrusion limit 701 of the first body 1 is clamped into the annular groove 702 of the second body 2, so that the first body 1 and the second body 2 are connected.

The self-locking buckle structure 7 further comprises strip-shaped protrusions 703 at two sides of the first body 1 and strip-shaped openings 704 at two sides of the second body;

the strip-shaped protrusion 703 of the first body 1 is inserted into the strip-shaped opening 704 of the second body 2, so that the angle between the first body 1 and the second body 2 is fixed.

When the anti-reflux valve is used, the leading-in component sequentially passes through the through hole 5, the silica gel valve 3 and the anti-reflux valve 4, when blood flows reversely, the blood pressure can act on the outer wall of the anti-reflux valve 4 to flow to the circular truncated cone inclined plane of the anti-reflux valve 4 to compress the anti-reflux valve 4, the anti-reflux valve 4 is tightly contacted with the through hole 5 to wrap the outer wall of the leading-in component, so that the self-sealing and anti-reflux effects are generated, the silica gel valve 3 and the anti-reflux valve 4 are sealed, the sealing performance of the Y-shaped connector is ensured, and the sealing performance of the Y-shaped connector is improved.

The apparatus provided by the embodiment of the present invention may be specific hardware on the device, or software or firmware installed on the device, etc. The device provided by the embodiment of the present invention has the same implementation principle and technical effect as the method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the method embodiments without reference to the device embodiments. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the foregoing systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; and the modifications, changes or substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An anti-reverse flow Y-type connector is characterized in that, comprising: a first body, a second body, a silicone valve and an anti-reverse flow valve;

the first body is connected to one end of the second body;

The first body and the second body are provided with a common through hole;

The anti-reverse flow valve is located at the connection part of the first body and the second body, and in the case of blood backflow, the blood will compress the anti-reverse flow valve, so that the anti-reverse flow valve wraps the introduction member passing through the hole;

The first body has a built-in silicone valve through the hole;

The silicone valve is located on the side away from the outflow of blood compared with the anti-reverse flow valve.

2 . The anti-reverse flow Y-type connector according to claim 1 , wherein the end of the anti-reverse flow valve close to the silicone valve is cylindrical, and the end away from the silicone valve is truncated. 3 .

3 . The anti-reverse flow Y-type connector according to claim 1 , wherein a through hole is formed on the central axis of the anti-reverse flow valve. 4 .

4 . The anti-reverse flow Y-type connector according to claim 1 , wherein the first body and the second body are connected by a self-locking snap structure. 5 .

5 . The anti-reverse flow Y-type connector according to claim 4 , wherein the self-locking snap structure comprises inverted right-angled trapezoidal prism protrusions arranged on both sides of the first body and two sides of the second body. 6 . side opening;

The inverted right-angled trapezoidal prism block protrusion of the first body is snapped into the opening of the corresponding position of the second body to connect the first body and the second body.

6 . The anti-reverse flow Y-type connector according to claim 4 , wherein the self-locking snap structure comprises an annular protrusion limiter surrounding the first body and a corresponding annular protrusion limiter disposed on the second body 6 . the annular groove;

The annular protrusion of the first body is limited and clamped into the annular groove of the second body, so that the first body and the second body are connected.

7. The anti-reverse flow Y-type connector according to claim 6, wherein the self-locking snap structure further comprises bar-shaped protrusions on both sides of the first body and bar-shaped openings on both sides of the second body;

The bar-shaped protrusion of the first body is inserted into the bar-shaped opening of the second body, so that the angle of the first body and the second body is fixed.