Multi-channel connector

By designing a multi-channel connector and utilizing a combination of a bracket body and a one-way valve, multi-channel connectivity is achieved, solving the problems of drug-liquid mixing and air ingress during infusion in existing connectors, and improving infusion efficiency and safety.

CN223380886UActive Publication Date: 2025-09-26ZHUHAI JINDAO MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202421938552.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-09-26
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

Existing connectors require frequent replacement of medicine bottles during the infusion process, causing air to enter the human body. They are also prone to contamination when different medicines are mixed, making it impossible to efficiently transport multiple bottles or multiple medicines.

Method used

A multi-channel connector is designed, including a first and a second bracket body, each of which is provided with a liquid inlet channel and a liquid outlet channel, both of which are equipped with a one-way valve and a connecting valve. Multi-channel connection is achieved through a three-way valve to ensure unidirectional flow of the liquid medicine and avoid mixing and air ingress.

Benefits of technology

It enables the simultaneous infusion of multiple bottles of liquid medicine, avoids the mixing of liquid medicine and the entry of air, improves the infusion efficiency, reduces the frequency of changing medicine bottles, and ensures the safety of liquid medicine.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multi-channel connector which comprises a plurality of connector assemblies, a first support body and a second support body, and the first support body and the second support body are respectively provided with a first liquid inlet channel, a second liquid inlet channel and a liquid outlet channel. The first liquid inlet channel and the second liquid inlet channel of the first support body and the second liquid inlet channel of the second support body are detachably connected with one-way valves, the liquid outlet channel of the first support body is communicated with the first liquid inlet channel of the second support body, and communication valves are arranged on the first support body and the second support body. The first liquid inlet channel, the second liquid inlet channel and the liquid outlet channel are communicated. By means of the arrangement, the number of liquid inlet channels during liquid outlet is increased, meanwhile, one-way circulation of liquid medicine is guaranteed through the one-way valve, mutual pollution and mixing caused by liquid return of different liquid medicine are avoided, the blood return condition is also avoided, frequent inserting and pulling for medicine changing are not needed, and the condition that air enters the connector is also avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of medical devices, in particular to a multi-channel connector. Background Art

[0002] When patients receive infusions in hospitals, they generally need to connect the medicine bottle and the infusion needle through a connector. Existing connectors generally connect one medicine bottle and one infusion needle. When some patients need to continuously deliver multiple bottles of liquid medicine or multiple liquid medicines that cannot be mixed together, medical staff need to quickly replace the medicine bottles, which is time-consuming and labor-intensive. In addition, the process can easily allow air to enter the connector during the replacement of the medicine bottle and then enter the human body, causing harm to the human body. Utility Model Content

[0003] The utility model provides a multi-channel connector, aiming to solve at least one of the technical problems existing in the prior art.

[0004] The technical solution of the utility model relates to a multi-channel connector, which is characterized by comprising:

[0005] Several connector assemblies, each of which includes a first bracket body and a second bracket body, each of which is provided with a first liquid inlet channel, a second liquid inlet channel and a liquid outlet channel, the first liquid inlet channel of the first bracket body, the second liquid inlet channel and the second liquid inlet channel of the second bracket body are all detachably connected with a one-way valve, the liquid outlet channel of the first bracket body is connected to the first liquid inlet channel of the second bracket body, and the first bracket body and the second bracket body are both provided with a connecting valve, and the connecting valve is used to connect the first liquid inlet channel, the second liquid inlet channel and the liquid outlet channel.

[0006] According to some embodiments of the present invention, a connecting piece is movably provided on the liquid outlet channel of the first bracket body, and the second bracket body is detachably connected to the first bracket body via the connecting piece.

[0007] According to some embodiments of the present invention, a first positioning ring is provided on the liquid outlet channel, and a first positioning recess movably connected to the positioning ring is provided inside the connecting member.

[0008] According to some embodiments of the present invention, the interior of the connecting piece is further provided with an internal thread, the outer wall of the first liquid outlet channel is provided with a matching external thread, and the connecting piece is threadedly connected to the first liquid outlet channel of the second bracket body.

[0009] According to some embodiments of the present invention, the outer wall of the connecting piece is further provided with anti-slip lines.

[0010] According to some embodiments of the present invention, the connecting valve is configured as a three-way valve, and the three-way valve is used to connect the first liquid inlet channel and the liquid outlet channel;

[0011] Or the three-way valve is used to connect the second liquid inlet channel and the liquid outlet channel;

[0012] Or the three-way valve is used to connect the first liquid inlet channel, the second liquid inlet channel and the liquid outlet channel.

[0013] According to some embodiments of the present invention, three rotating rods are provided at the upper end of the three-way valve, and indicator arrows are provided on the three rotating rods. The indicator arrows are used to mark the flow direction of the passage in the three-way valve.

[0014] According to some embodiments of the present invention, the inner wall of the first bracket body and the inner wall of the second bracket body are both provided with a second positioning ring, and the circumference of the three-way valve is correspondingly provided with a second positioning recess.

[0015] According to some embodiments of the present invention, a positioning ball is further provided at the bottom of the inner wall of the first bracket body and the bottom of the inner wall of the second bracket body, and a third positioning recess is correspondingly provided at the bottom of the three-way valve.

[0016] According to some embodiments of the present invention, the outer wall of the first liquid inlet channel and the outer wall of the second liquid inlet channel are both provided with external threads, and the one-way valve is provided with matching internal threads.

[0017] The beneficial effects of the utility model are as follows:

[0018] 1. By connecting the liquid outlet channel of the first bracket body and the first liquid inlet channel of the second bracket body, the number of liquid inlet channels when discharging liquid from the second liquid outlet channel is increased, and multiple bottles of liquid medicine or different liquid medicines can be connected to multiple first liquid inlet channels and second liquid inlet channels at the same time for input. At the same time, a one-way valve is connected to the first liquid inlet channel and the second liquid inlet channel to ensure the one-way flow of the liquid medicine, avoid mutual contamination and mixing caused by backflow between different liquid medicines, eliminate the need for frequent plugging and unplugging of medicines, and avoid air entering the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a multi-channel connector according to an embodiment of the present utility model;

[0020] Figure 2 It is a cross-sectional view of a multi-channel connector according to an embodiment of the present utility model.

[0021] Figure Number:

[0022] A first bracket body 100, a second positioning ring 101, a first liquid inlet channel 110, a second liquid inlet channel 120, a liquid outlet channel 130, and a first positioning ring 131;

[0023] The second bracket body 200 and the positioning ball 210;

[0024] One-way valve 300;

[0025] Three-way valve 400, rotating rod 410, indicating arrow 420, second positioning recess 430, third positioning recess 440;

[0026] Connecting member 500 , first positioning recess 510 , anti-slip pattern 520 . DETAILED DESCRIPTION

[0027] The following content will describe several embodiments of the present invention, including embodiments corresponding to the accompanying drawings. It can be understood that the accompanying drawings are used to assist in understanding the technical features and technical solutions of the present invention, and should not be understood as limiting the scope of protection of the present invention.

[0028] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present invention so as to fully understand the purpose, scheme and effect of the present invention. It should be noted that the embodiments and features in the embodiments of this application can be combined with each other unless there is a conflict.

[0029] It should be noted that, unless otherwise clearly defined, when a feature is referred to as "fixed", "connected", "installed" or "set" on another feature, it can be directly "fixed", "connected", "installed" or "set" on the other feature, or it can be indirectly "fixed", "connected", "installed" or "set" on the other feature. The words "fixed", "connected", "installed" or "set" should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meaning of the above words in this utility model in combination with the specific content of the technical solution.

[0030] It should be noted that the descriptions of the directions or positional relationships indicated by up, down, left, right, top, bottom, front, back, inside, and outside used in the present invention are based on the directions or positional relationships in the drawings or embodiments, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, it cannot be understood as a limitation on the present invention.

[0031] It should be noted that the term "and / or" used in the present invention includes any combination of one or more related listed items, "above", "below", "within", etc. are understood to include the number itself.

[0032] It should be noted that if the first and second are described in this utility model, they are only used to distinguish the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] It should be noted that, unless otherwise expressly defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art. The terms used in this specification are only for describing specific embodiments and are not intended to limit the present invention.

[0034] Reference Figure 1 and Figure 2 According to the utility model, a multi-channel connector includes: several connector components, the connector components including a first bracket body 100 and a second bracket body 200, the first bracket body 100 and the second bracket body 200 are both provided with a first liquid inlet channel 110, a second liquid inlet channel 120 and a liquid outlet channel 130, the first liquid inlet channel 110, the second liquid inlet channel 120 of the first bracket body 100 and the second liquid inlet channel 120 of the second bracket body 200 are all detachably connected with a one-way valve 300, the liquid outlet channel 130 of the first bracket body 100 is connected to the first liquid inlet channel 110 of the second bracket body 200, and the first bracket body 100 and the second bracket body 200 are both provided with a connecting valve, which is used to connect the first liquid inlet channel 110, the second liquid inlet channel 120 and the liquid outlet channel 130.

[0035] The application of the above-mentioned multi-channel connector has at least the following beneficial effects: by connecting the liquid outlet channel 130 of the first bracket body 100 and the first liquid inlet channel 110 of the second bracket body 200, the number of liquid inlet channels when discharging liquid from the second liquid outlet channel 130 is increased, and multiple bottles of liquid medicine or different liquid medicines can be connected to multiple first liquid inlet channels 110 and second liquid inlet channels 120 for input at the same time. At the same time, a one-way valve 300 is connected to the first liquid inlet channel 110 and the second liquid inlet channel 120, ensuring the one-way flow of the liquid medicine, avoiding mutual contamination and mixing caused by the backflow of different liquid medicines, eliminating the need for frequent plugging and unplugging of medicines, and avoiding the situation where air enters the connector.

[0036] According to some embodiments of the present invention, a connecting piece 500 is movably provided on the liquid outlet channel on the first bracket body 100, and the second bracket body 200 is detachably connected to the first bracket body 100 via the connecting piece 500. In this embodiment, the first bracket body 100 and the second bracket body 200 are each provided with one. During actual use, the connecting piece 500 can be movably provided on the liquid outlet channel of the second bracket body 200, so as to continue to connect to the next first bracket body 100 or the second bracket body 200 to add more liquid inlet channels, and is not limited to a group of first bracket bodies 100 and second bracket bodies 200 in this embodiment.

[0037] According to some embodiments of the present invention, a first positioning ring 131 is provided on the liquid outlet channel 130, and a first positioning recess 510 for movably connecting the positioning ring is provided inside the connecting member 500. Through the movably connected first positioning ring 131 and the first positioning recess 510, the connecting member 500 is movably connected to the liquid outlet channel 130, so that its own position can be adjusted to correctly connect to the second bracket body 200.

[0038] According to some embodiments of the present invention, the interior of the connecting piece 500 is also provided with an internal thread, and the outer wall of the first liquid outlet channel 130 is provided with a matching external thread. The connecting piece 500 is threadedly connected to the first liquid outlet channel 130 of the second bracket body 200, and the outer wall of the first liquid inlet channel 110 and the outer wall of the second liquid inlet channel 120 are both provided with external threads. A matching internal thread is provided in the one-way valve 300. The detachable connection between the connecting piece 500 and the second bracket body 200 and the one-way valve 300 and the first liquid inlet channel 110 and the second liquid inlet channel 120 is achieved through threaded connection, which is convenient for disassembly and assembly, and more first bracket bodies 100 and second bracket bodies 200 can be further assembled.

[0039] According to some embodiments of the present invention, the outer wall of the connecting member 500 is further provided with anti-skid patterns 520 for facilitating the rotational assembly of the connecting member 500 and preventing slipping.

[0040] According to some embodiments of the present invention, the connecting valve is set as a three-way valve 400, and the three-way valve 400 is used to connect the first liquid inlet channel 110 and the liquid outlet channel 130; or the three-way valve 400 is used to connect the second liquid inlet channel 120 and the liquid outlet channel 130; or the three-way valve 400 is used to connect the first liquid inlet channel 110 and the second liquid inlet channel 120 and the liquid outlet channel 130. It can be understood that when it is necessary to deliver a single liquid medicine, the first two connecting methods can be used alternately, so that there is no need to frequently change the liquid medicine. When the infusion speed needs to be accelerated or mixed liquid medicine needs to be delivered, the third uniform connection method can be adopted. There is no need to mix the liquid medicine externally before infusing it, which avoids the situation where air enters the liquid medicine during the mixing process, and also improves the efficiency of the infusion.

[0041] According to some embodiments of the present invention, three rotating rods 410 are provided at the upper end of the three-way valve 400, and each of the three rotating rods 410 is provided with an indicator arrow 420. The indicator arrow 420 is used to mark the flow direction of the passage in the three-way valve 400. The rotating rod 410 can facilitate the rotation of the three-way valve 400, and the indicator arrow 420 can clearly show the flow direction of the passage of the three-way valve 400.

[0042] According to some embodiments of the present invention, a second positioning ring 101 is provided on the inner wall of the first bracket body 100 and the inner wall of the second bracket body 200, and a second positioning recess 430 is correspondingly provided on the circumferential side of the three-way valve 400. Through the matching connection between the second positioning ring 101 and the second positioning recess 430, the three-way valve 400 can be movably and detachably connected in the first bracket body 100 and the second bracket body 200 and can be rotated at the same time.

[0043] According to some embodiments of the present invention, a positioning ball 210 is further provided at the bottom of the inner wall of the first bracket body 100 and the bottom of the inner wall of the second bracket body 200, and a third positioning recess 440 is correspondingly provided at the bottom of the three-way valve 400. Through the cooperation of the positioning ball 210 and the third positioning recess 440, the three-way valve 400 can rotate along its own axis without deviation, ensuring smooth communication between the passage and the first liquid inlet channel 110, the second liquid inlet channel 120 and the liquid outlet channel 130.

[0044] It should be noted that in this specification, terms such as "one embodiment", "some embodiments", "basic embodiment", "extended embodiment" may be used to describe several embodiments of the present utility model. The specific features, structures, materials or characteristics in several embodiments may be combined in accordance with the principles and purposes of the present utility model.

[0045] Although some embodiments of the present invention have been shown and described in this specification, the present invention should not be limited to the above embodiments. As long as the technical effects of the present invention are achieved by the same or equivalent means, any changes, modifications, equivalent substitutions and equivalent variations to these embodiments within the spirit and principles of the present disclosure and without departing from the principles and purpose of the present invention should be included in the scope of protection of the present disclosure and should be deemed to fall within the scope of protection of the present invention.

Claims

1. A multi-channel connector, characterized in that: include: Several connector assemblies, each of which includes a first bracket body and a second bracket body, each of which is provided with a first liquid inlet channel, a second liquid inlet channel and a liquid outlet channel, the first liquid inlet channel of the first bracket body, the second liquid inlet channel and the second liquid inlet channel of the second bracket body are all detachably connected with a one-way valve, the liquid outlet channel of the first bracket body is connected to the first liquid inlet channel of the second bracket body, and the first bracket body and the second bracket body are both provided with a connecting valve, and the connecting valve is used to connect the first liquid inlet channel, the second liquid inlet channel and the liquid outlet channel.

2. A multi-channel connector according to claim 1, characterized in that: A connecting piece is movably provided on the liquid outlet channel of the first bracket body, and the second bracket body is detachably connected to the first bracket body via the connecting piece.

3. A multi-channel connector according to claim 2, characterized in that: A first positioning ring is provided on the liquid outlet channel, and a first positioning recess movably connected to the positioning ring is provided inside the connecting piece.

4. A multi-channel connector according to claim 3, characterized in that: The interior of the connecting piece is further provided with an internal thread, and the outer wall of the first liquid outlet channel is provided with a matching external thread. The connecting piece is threadedly connected to the first liquid outlet channel of the second bracket body.

5. A multi-channel connector according to any one of claims 2 to 4, characterized in that: The outer wall of the connecting piece is also provided with anti-slip lines.

6. The multi-channel connector according to claim 1, characterized in that: The connecting valve is a three-way valve, and the three-way valve is used to connect the first liquid inlet channel and the liquid outlet channel; Or the three-way valve is used to connect the second liquid inlet channel and the liquid outlet channel; Or the three-way valve is used to connect the first liquid inlet channel, the second liquid inlet channel and the liquid outlet channel.

7. The multi-channel connector according to claim 6, characterized in that: Three rotating rods are provided at the upper end of the three-way valve. Indicator arrows are provided on the three rotating rods. The indicator arrows are used to mark the flow direction of the passage in the three-way valve.

8. A multi-channel connector according to claim 6 or 7, characterized in that: The inner wall of the first bracket body and the inner wall of the second bracket body are both provided with a second positioning ring, and the peripheral side of the three-way valve is correspondingly provided with a second positioning recess.

9. The multi-channel connector according to claim 8, characterized in that: A positioning ball is further provided at the bottom of the inner wall of the first bracket body and the bottom of the inner wall of the second bracket body, and a third positioning recess is correspondingly provided at the bottom of the three-way valve.

10. The multi-channel connector according to claim 1, characterized in that: The outer wall of the first liquid inlet channel and the outer wall of the second liquid inlet channel are both provided with external threads, and the one-way valve is provided with matching internal threads.