Spiral mounting mechanism with one-way valve

By integrating a one-way valve in the infusion device connection mechanism, the problems of complex structure and high cost in the prior art are solved, structural simplification, cost reduction and operating space are achieved, while ensuring one-way passage of gas or liquid.

CN222816161UActive Publication Date: 2025-05-02BQ PLUS MEDICAL CO LTD
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Patent Information

Application Number
CN202421166107.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-05-02
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing infusion device connection technology requires more operating space and is bloated in structure and is costly, making it difficult to achieve simplified one-way valve integration.

Method used

A spiral mounting mechanism with a check valve is designed to simplify the external structure by integrating the valve assembly inside the installation mechanism, and design the inner diameter of different diameters according to the outer diameter of the infusion tube catheter through the connecting mechanism.

Benefits of technology

The structure is simplified, the cost is reduced, the structure is bloated, and the operation space is also available, ensuring the one-way passage of gas or liquid and avoiding blood reflux.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spiral mounting mechanism with a one-way valve, which comprises a mounting mechanism and a valve component, the valve component is arranged in the mounting mechanism, one side of the mounting mechanism can be connected with a puncture outfit, and liquid or gas can pass through the inside of the valve component in one way under external pressure. The interior of the valve assembly communicates with the installation mechanism and the puncture outfit. The beneficial effects of the utility model are that the valve assembly is installed inside the installation mechanism and can be respectively connected with the puncture outfit and the connection mechanism through the installation mechanism, and the valve assembly can ensure that gas or liquid can only pass through in one direction, so that the backflow of blood is avoided; by arranging the connecting mechanism, different inner diameters can be designed according to different outer diameters of infusion apparatus catheters so as to adapt to matching of different pipe diameters, the structure is simplified, the cost is reduced, the structure is prevented from being bloated, and meanwhile more operation space is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of infusion set connection, in particular to a spiral installation mechanism with a one-way valve. Background Art

[0002] The function of the male spiral connector is to achieve the quick connection between the puncture needle and other components and the infusion set to achieve its infusion function; the function of the one-way valve is to prevent the backflow of human blood during infusion. However, in the current use process, it is coordinated by two separate devices, but this requires more operating space, and the structure is bloated and the cost is also high. For this reason, the inventor designed a spiral installation mechanism with a one-way valve, which has a simple structure. Utility Model Content

[0003] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] In view of the above problems or problems existing in the prior art, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a spiral mounting mechanism with a one-way valve, which can simplify the structure so that the one-way valve is integrated inside the mounting mechanism, thereby simplifying the redundant structure, providing more operating space, and reducing costs; the connecting mechanism can be designed with different inner diameters according to the different outer diameters of the infusion tube catheter to adapt to the matching of different tube diameters.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a spiral mounting mechanism with a one-way valve, which includes a mounting mechanism and a valve assembly. The valve assembly is arranged inside the mounting mechanism. One side of the mounting mechanism can be connected to the puncture device. The inside of the valve assembly can pass liquid or gas in one direction under external pressure. The inside of the valve assembly is connected with the mounting mechanism and the puncture device.

[0007] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, it also includes a connecting mechanism, which is connected to the other side of the installation mechanism, and the diameter of the connecting mechanism can be adjusted.

[0008] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, the valve assembly includes a one-way valve body and a pressure valve arranged on the one-way valve body, and the pressure valve can be opened in one direction under pressure.

[0009] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, a flow channel is opened inside the one-way valve body, the flow channel can be used for gas or liquid to pass through, and the pressure valve can open or close the flow channel.

[0010] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, wherein: a fixed end is also arranged on the one-way valve body, and the fixed end is connected to the inner side of the installation mechanism.

[0011] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, the installation mechanism includes a conduction component, a valve component is arranged inside the conduction component, and the conduction component can support the valve component.

[0012] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, wherein: the conducting component includes a supporting shell, a supporting step, and a conducting pipe; a supporting step is arranged inside the supporting shell, the supporting step is connected to the fixed end on the one-way valve body, a conducting pipe is arranged on the inner side of the supporting shell, and the conducting pipe is connected to the inner cavity of the supporting shell.

[0013] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, the installation mechanism also includes a rotating connection component, the rotating connection component is connected to the conducting component, and the conducting component can support the rotating connection component.

[0014] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, the rotating connection assembly includes a rotating part, the side of the rotating part is connected to the supporting shell, a conducting pipe is arranged inside the rotating part, and a rotating internal thread is arranged on the inner side of the rotating part.

[0015] As a preferred solution of the spiral installation mechanism with a one-way valve of the utility model, a rotating boss is arranged on the outer side of the rotating member, and multiple groups of rotating bosses are arranged on the outer side of the rotating member.

[0016] The beneficial effects of the utility model are as follows: the utility model installs the valve assembly inside the installation mechanism, which can be connected to the puncture device and the connecting mechanism respectively. The valve assembly can ensure that gas or liquid can only pass through in one direction, thereby avoiding the backflow of blood. By setting the connecting mechanism, the inner diameters of different diameters can be designed according to the different outer diameters of the infusion tube catheter to adapt to the matching of different tube diameters. The device simplifies the structure, reduces the cost, avoids the bloated structure, and has more operating space. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0018] Figure 1 It is an overall schematic diagram of a spiral mounting mechanism with a one-way valve.

[0019] Figure 2 Schematic diagram of a valve assembly with a screw-mounted mechanism for a one-way valve.

[0020] Figure 3 It is the front view of the screw mounting mechanism with the non-return valve.

[0021] Figure 4 for Figure 3 Cross-sectional view at AA of the spiral mounting mechanism with a one-way valve. DETAILED DESCRIPTION

[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0024] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0025] Example 1

[0026] Reference Figures 1-2 , which is the first embodiment of the utility model, provides a spiral mounting mechanism with a one-way valve, which includes a mounting mechanism 1 and a valve assembly 2. By integrating the valve assembly 2 inside the mounting mechanism 1, the external structure can be simplified and the bloated structure can be avoided.

[0027] Specifically, it includes a mounting mechanism 1 and a valve assembly 2. The valve assembly 2 is arranged inside the mounting mechanism 1. One side of the mounting mechanism 1 can be connected to the puncture device. The inside of the valve assembly 2 can pass liquid or gas in one direction under external pressure. The inside of the valve assembly 2 is connected with the mounting mechanism 1 and the puncture device.

[0028] In summary, the utility model can simplify the external structure by setting the valve component 2 inside the mounting mechanism 1. The valve component 2 can allow gas or liquid to pass through in one direction to avoid internal liquid backflow. The mounting mechanism 1 can be quickly connected to the puncture device. The device greatly reduces the cost, simplifies the structure, and avoids bloated structure.

[0029] Example 2

[0030] Reference Figures 1 to 4 , which is the second embodiment of the utility model. In the previous embodiment, the spiral mounting mechanism with a one-way valve includes a mounting mechanism 1 and a valve assembly 2. By integrating the valve assembly 2 inside the mounting mechanism 1, the external structure can be simplified and the bloated structure can be avoided.

[0031] Specifically, it includes a mounting mechanism 1 and a valve assembly 2. The valve assembly 2 is arranged inside the mounting mechanism 1. One side of the mounting mechanism 1 can be connected to the puncture device. The inside of the valve assembly 2 can pass liquid or gas in one direction under external pressure. The inside of the valve assembly 2 is connected with the mounting mechanism 1 and the puncture device.

[0032] Furthermore, it also includes a connecting mechanism 3, which is connected to the other side of the mounting mechanism 1, and the diameter of the connecting mechanism 3 is adjustable.

[0033] Preferably, the connecting mechanism 3 is tightly and sealingly connected to the mounting mechanism 1 , and the valve assembly 2 in the connecting mechanism 3 is in communication with the mounting mechanism 1 .

[0034] Furthermore, the valve assembly 2 includes a one-way valve body 21 and a pressure valve 22 disposed on the one-way valve body 21 . The pressure valve 22 can be opened in one direction under pressure.

[0035] Preferably, the pressure valve 22 can be opened after being subjected to air pressure or water pressure, so that the gas or liquid in the connecting mechanism 3 can enter the next component through the pressure valve 22.

[0036] Preferably, the internal liquid cannot open the pressure valve 22, thereby ensuring that the liquid cannot flow back.

[0037] Furthermore, a flow channel 23 is provided inside the one-way valve body 21 , through which gas or liquid can pass, and the pressure valve 22 can open or close the flow channel 23 .

[0038] Preferably, the circulation channel 23 is communicated with the inner cavity of the support shell 111 , the inner cavity of the support shell 111 is communicated with the conducting tube 113 , and the other side of the circulation channel 23 is communicated with the connecting mechanism 3 .

[0039] Furthermore, a fixed end 24 is provided on the one-way valve body 21 , and the fixed end 24 is connected to the inner side of the mounting mechanism 1 .

[0040] Furthermore, the mounting mechanism 1 includes a conducting component 11 , and a valve component 2 is disposed inside the conducting component 11 . The conducting component 11 can support the valve component 2 .

[0041] Furthermore, the conducting component 11 includes a supporting shell 111, a supporting step 112, and a conducting tube 113; a supporting step 112 is arranged inside the supporting shell 111, the supporting step 112 is connected to the fixed end 24 on the one-way valve body 21, and a conducting tube 113 is arranged on the inner side of the supporting shell 111, and the conducting tube 113 is connected to the inner cavity of the supporting shell 111.

[0042] Preferably, the connection and sealing between the fixed end 24 and the support step 112 can ensure that the liquid coming from the connection mechanism 3 enters the inner cavity of the support shell 111 through the circulation channel 23, and enters the puncture device through the guide tube 113 and then enters the destination.

[0043] Furthermore, the mounting mechanism 1 further comprises a rotating connection component 12 , which is connected to the conducting component 11 , and the conducting component 11 can support the rotating connection component 12 .

[0044] Furthermore, the rotating connection assembly 12 includes a rotating member 121 , a side of the rotating member 121 is connected to the supporting shell 111 , a conducting tube 113 is arranged inside the rotating member 121 , and a rotating internal thread 123 is arranged on the inner side of the rotating member 121 .

[0045] Furthermore, a rotating boss 124 is disposed on the outer side of the rotating member 121 , and a plurality of groups of the rotating bosses 124 are disposed on the outer side of the rotating member 121 .

[0046] Preferably, the rotating member 121 is a male screw head, which can be used for quick connection of the trocar.

[0047] In summary, the utility model installs the valve assembly 2 inside the mounting mechanism 1, and the mounting mechanism 1 can be connected to the puncture device and the connecting mechanism 3 respectively. The valve assembly 2 can ensure that gas or liquid can only pass through in one direction, thereby avoiding the backflow of blood. By setting the connecting mechanism 3, the inner diameters of different diameters can be designed according to the different outer diameters of the infusion tube catheter to adapt to the matching of different tube diameters. The device simplifies the structure, reduces the cost, avoids the bloated structure, and has more operating space.

[0048] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0049] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0050] It should be understood that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but for those of ordinary skill having the benefit of this disclosure, without undue experimentation, the development effort will be a routine task of design, fabrication, and production.

[0051] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A spiral mounting mechanism with a one-way valve, characterized in that: The invention comprises a mounting mechanism (1) and a valve assembly (2), wherein the mounting mechanism (1) is provided with the valve assembly (2), one side of the mounting mechanism (1) can be connected to a puncture device, the inside of the valve assembly (2) can pass liquid or gas in one direction under external pressure, and the inside of the valve assembly (2) is connected to the mounting mechanism (1) and the puncture device.

2. The spiral mounting mechanism with a one-way valve according to claim 1, characterized in that: It also comprises a connecting mechanism (3), wherein the connecting mechanism (3) is connected to the other side of the mounting mechanism (1), and the diameter of the connecting mechanism (3) is adjustable.

3. The spiral mounting mechanism with a one-way valve according to claim 1 or 2, characterized in that: The valve assembly (2) comprises a one-way valve body (21) and a pressure valve (22) arranged on the one-way valve body (21), wherein the pressure valve (22) can be opened in one direction when subjected to pressure.

4. The spiral mounting mechanism with a one-way valve according to claim 3, characterized in that: A circulation channel (23) is provided inside the one-way valve body (21), and the circulation channel (23) allows gas or liquid to pass through, and the pressure valve (22) can open or close the circulation channel (23).

5. The spiral mounting mechanism with a one-way valve according to claim 3, characterized in that: The one-way valve body (21) is also provided with a fixed end (24), and the fixed end (24) is connected to the inner side of the mounting mechanism (1).

6. The spiral mounting mechanism with a one-way valve according to claim 1 or 2, characterized in that: The mounting mechanism (1) comprises a conduction component (11), a valve component (2) is arranged inside the conduction component (11), and the conduction component (11) can support the valve component (2).

7. The spiral mounting mechanism with a one-way valve according to claim 6, characterized in that: The conduction assembly (11) comprises a support shell (111), a support step (112), and a conduction pipe (113); the support shell (111) is provided with a support step (112) inside, the support step (112) is connected to a fixed end (24) on a one-way valve body (21), and the support shell (111) is provided with a conduction pipe (113) on the inner side surface, and the conduction pipe (113) is communicated with the inner cavity of the support shell (111).

8. The spiral mounting mechanism with a one-way valve according to claim 6, characterized in that: The mounting mechanism (1) further comprises a rotating connection component (12), wherein the rotating connection component (12) is connected to the conducting component (11), and the conducting component (11) can support the rotating connection component (12).

9. The spiral mounting mechanism with a one-way valve according to claim 8, characterized in that: The rotating connection assembly (12) comprises a rotating member (121), the side of the rotating member (121) is connected to the supporting shell (111), a conducting tube (113) is arranged inside the rotating member (121), and a rotating internal thread (123) is arranged on the inner side of the rotating member (121).

10. The spiral mounting mechanism with a one-way valve according to claim 9, characterized in that: A rotating boss (124) is arranged on the outer side of the rotating member (121), and a plurality of groups of the rotating bosses (124) are arranged on the outer side of the rotating member (121) in a circumference.