Multi-channel infusion apparatus capable of automatically changing liquid

By designing a multi-channel automatic liquid-changing infusion device, using a combination of infusion tube, female connector, connector, connection tube, connection chamber, drain tank, micro electric telescopic rod and sealing plate, the problem of poor stability of infusion devices in the prior art is solved, the connection of multiple infusion bottles and the automatic delivery of medicine liquid is realized, and the air filtration efficiency is significantly improved to ensure the safety of the infusion process.

CN222533814UActive Publication Date: 2025-02-28SHENSHAN MEDICAL CENT MEMORIAL HOSPITAL OF SUN YAT-SEN UNIV
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421084583.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-17
Publication Date
2025-02-28
Estimated Expiration
2034-05-17

AI Technical Summary

Technical Problem

The existing multi-channel automatic liquid exchange infusion device has poor stability during operation, and it is impossible to ensure that all the medicine in each infusion bottle is delivered, resulting in defects in the device use.

Method used

A multi-channel automatic liquid-changing infusion device is designed, which adopts a combination of infusion tube, female connector, connector, connection tube, connection chamber, drain tank, micro electric telescopic rod and sealing plate. It is connected to the infusion bottle or infusion bag through the connector. The micro electric telescopic rod drives the sealing plate to adjust the height, controls the discharge of the drug liquid, and ensures that the air is pure and sterile through the air filter.

Benefits of technology

The connection of multiple infusion bottles and the automatic delivery of medicine liquid are realized, which improves the stability and convenience of use of the device. At the same time, the air filtration efficiency is significantly enhanced through the nano-scale filter membrane to ensure the safety of the infusion process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222533814U_ABST
    Figure CN222533814U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of medical instruments, in particular to a multi-channel automatic liquid changing infusion apparatus which comprises an infusion tube, a female connector is fixedly connected to the top end of the infusion tube, connectors are fixedly connected to the two sides of the surface of the female connector, a connecting tube is fixedly connected to one side of the surface of one connector, and the other side of the surface of the other connector is fixedly connected with a connecting rod. The top end of the connecting pipe is fixedly connected with a sealing cover; through the arrangement of the infusion tube, the female connector, the connecting bin, the drainage groove, the micro electric telescopic rod and the sealing plate, the connectors are connected with infusion bottles or infusion bags, the child connector is inserted into the top end of the connecting tube, so that more infusion bottles or infusion bags can be conveniently connected, and liquid medicine can be conveniently discharged from the connectors on the two sides through the drainage groove; the miniature electric telescopic rod drives the sealing plate at the bottom end to adjust the height, so that liquid medicine in the connectors on the two sides can be conveniently controlled to be discharged, and when the liquid medicine is not discharged, the sealing bin can be rotated by an angle, so that the effects of connecting a plurality of infusion bottles and controlling infusion are achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a multi-channel automatic liquid-changing infusion device. Background Art

[0002] An infusion set is a medical device used to deliver liquid medicine or nutrient solution from a bottle or bag into a patient's vein. It usually consists of a plastic or glass bottle or bag, an infusion tube, a filter, a drip rate regulator and a needle. Existing infusion sets are widely used and have great functions.

[0003] In the Chinese patent with publication number CN205181899U, a multi-channel automatic liquid exchange infusion device is mentioned, including: an infusion tube with a liquid outlet at the bottom; a liquid guide tube arranged above the infusion tube, and at least two liquid inlet channels arranged vertically and tilted downward are arranged on the side wall of the liquid guide tube; a liquid guide column arranged in the liquid guide tube and capable of moving up and down with the rise and fall of the liquid level, and a liquid inlet is arranged on the liquid guide column; a buoyancy block connected to the liquid guide column by a hook arranged in the infusion tube, and a liquid stop rod for closing the liquid outlet arranged below the buoyancy block, and the liquid guide column moves with the buoyancy block so that the liquid inlet on it is connected to the liquid inlet channels at different heights. The utility model can realize automatic liquid exchange during the infusion process by driving the liquid guide column with the buoyancy block, and can automatically stop the liquid through the liquid stop rod after the infusion is completed, which is safe, convenient and very practical.

[0004] However, the above technical solution can realize automatic fluid replacement during infusion by driving the fluid guide column through the buoyancy block, and can automatically stop the fluid through the fluid stop rod after the infusion is completed. Although this device can automatically replace the fluid, its stability during operation is poor, and it cannot ensure that all the liquid in each infusion bottle is delivered, resulting in defects in the use of the device, so it needs to be improved by the staff. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-channel automatic liquid-changing infusion device to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A multi-channel automatic liquid-changing infusion device, comprising:

[0008] Infusion tube;

[0009] The top of the infusion tube is fixedly connected with a female connector, both sides of the surface of the female connector are fixedly connected with joints, one side of the surface of one of the joints is fixedly connected with a connecting tube, and the top of the connecting tube is fixedly connected with a sealing cover;

[0010] The top end of the infusion tube is rotatably connected to a rotating rod, the top end of the rotating rod is fixedly connected to a handle, the bottom end of the rotating rod is fixedly connected to a connecting bin, and the surface of the connecting bin is rotatably connected to the inner wall of the female connector, drainage grooves are provided on both sides of the surface of the connecting bin, the tops of the inner walls of the two drainage grooves are fixedly connected to a micro electric telescopic rod, and the bottom end of the micro electric telescopic rod is fixedly connected to a sealing plate.

[0011] Preferably, a Murphy's dropper is fixedly connected to one side of the surface of the infusion tube, and an air filter is fixedly connected to the other side of the surface of the infusion tube.

[0012] Preferably, connecting plates are fixedly connected to both sides of the inner wall of the air filter, and ventilation grooves are provided on the inner walls of the two connecting plates.

[0013] Preferably, a first filter membrane is fixedly connected to one side of the inner wall of the ventilation groove, and one side of the surface of the first filter membrane is fixedly connected to the surface of the air filter, and a second filter membrane is fixedly connected to the other side of the inner wall of the ventilation groove.

[0014] Preferably, the bottom end of the infusion tube is fixedly connected to a first mounting plate, and the bottom end of the first mounting plate is overlapped with a second mounting plate.

[0015] Preferably, a mounting ring is fixedly connected to the top of the second mounting plate, and one side of the surface of the mounting ring is plugged into the inner wall of the first mounting plate.

[0016] Preferably, a connecting tube is fixedly connected to the middle of the bottom of the second mounting plate, and a needle is fixedly connected to the bottom end of the connecting tube.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) Through the arrangement of an infusion tube, a female connector, a connector, a connecting tube, a connecting chamber, a drainage groove, a micro-electric telescopic rod and a sealing plate, an infusion bottle or an infusion bag is connected through the connector, and a sub-connector is inserted at the top of the connecting tube to facilitate the connection of more infusion bottles or infusion bags. The drainage groove is used to facilitate the discharge of liquid medicine from the connectors on both sides. The micro-electric telescopic rod drives the sealing plate at the bottom to adjust the height, thereby facilitating the control of the discharge of liquid medicine from the connectors on both sides. When the liquid medicine is not discharged, the connecting chamber can be rotated at an angle, thereby achieving the effect of connecting multiple infusion bottles and controlling the infusion, and is convenient for the staff to use.

[0019] (2) Through the arrangement of the air filter, the connecting plate, the ventilation groove, the first filter membrane and the second filter membrane, the first filter membrane and the second filter membrane are made of nano-scale filter membranes, which can effectively capture and intercept harmful substances such as particles, bacteria, viruses, etc. in the air, ensuring that the air entering the infusion tube is pure and sterile. Compared with traditional filters, the filtration efficiency is improved several times, which greatly enhances the safety of the infusion process, thereby achieving the effect of fully filtering the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is a three-dimensional diagram of the connection bin of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the air filter of the utility model;

[0023] Figure 4 It is a three-dimensional diagram of the first mounting plate of the utility model;

[0024] In the figure: 1. infusion tube; 2. female connector; 3. connector; 4. connecting tube; 5. sealing cover; 6. rotating rod; 7. handle; 8. connecting compartment; 9. drainage trough; 10. micro electric telescopic rod; 11. sealing plate; 12. Murphy's dropper; 13. air filter; 14. connecting plate; 15. ventilation groove; 16. first filter membrane; 17. second filter membrane; 18. first mounting plate; 19. second mounting plate; 20. mounting ring; 21. connecting tube; 22. needle. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figures 1 to 4 As shown, a multi-channel automatic fluid exchange infusion device comprises:

[0028] Infusion tube 1;

[0029] The top of the infusion tube 1 is fixedly connected with a female connector 2, and both sides of the surface of the female connector 2 are fixedly connected with connectors 3, and an infusion bottle or an infusion bag is connected through the connectors 3. One side of the surface of one connector 3 is fixedly connected with a connecting tube 4, and the top of the connecting tube 4 is fixedly connected with a sealing cap 5. After the staff removes the sealing cap 5, the sub-connector can be inserted at the top of the connecting tube 4 to facilitate the connection of more infusion bottles or infusion bags;

[0030] The top of the infusion tube 1 is rotatably connected to a rotating rod 6, the top of the rotating rod 6 is fixedly connected to a handle 7, the bottom end of the rotating rod 6 is fixedly connected to a connecting bin 8, and the surface of the connecting bin 8 is rotatably connected to the inner wall of the female connector 2, and drainage grooves 9 are provided on both sides of the surface of the connecting bin 8. The staff rotates the handle 7 at the top of the rotating rod 6, and the handle 7 drives the rotating rod 6 and the connecting bin 8 at its bottom to rotate. Drainage grooves 9 are provided on both sides of the surface of the connecting bin 8, and the drainage grooves 9 are used to facilitate the discharge of liquid medicine from the joints 3 on both sides. The tops of the inner walls of the two drainage grooves 9 are fixedly connected to a micro-electric telescopic rod 10, and the bottom end of the micro-electric telescopic rod 10 is fixedly connected to a sealing plate 11, and the micro-electric telescopic rod 10 drives the sealing plate 11 at the bottom to adjust the height, thereby facilitating the control of discharging the liquid medicine in the joints 3 on both sides, and the connecting bin 8 can be rotated when the liquid medicine is not discharged.

[0031] A Murphy's dropper 12 is fixedly connected to one side of the surface of the infusion tube 1, and an air filter 13 is fixedly connected to the other side of the surface of the infusion tube 1. Both sides of the inner wall of the air filter 13 are fixedly connected to connecting plates 14. The inner walls of the two connecting plates 14 are provided with ventilation grooves 15. One side of the inner wall of the ventilation groove 15 is fixedly connected to a first filter membrane 16, and one side of the surface of the first filter membrane 16 is fixedly connected to the surface of the air filter 13, and the other side of the inner wall of the ventilation groove 15 is fixedly connected to a second filter membrane 17. The first filter membrane 16 and the second filter membrane 17 It is made of nano-scale filter membrane, which can effectively capture and intercept harmful substances such as particles, bacteria, viruses in the air, and ensure that the air entering the infusion tube 1 is pure and sterile. The bottom end of the infusion tube 1 is fixedly connected to the first mounting disk 18, and the bottom end of the first mounting disk 18 is overlapped with the second mounting disk 19, and the top of the second mounting disk 19 is fixedly connected to the mounting ring 20, and one side of the surface of the mounting ring 20 is inserted into the inner wall of the first mounting disk 18, and the middle part of the bottom of the second mounting disk 19 is fixedly connected to the connecting tube 21, and the bottom end of the connecting tube 21 is fixedly connected to the needle 22.

[0032] Working principle: connect the infusion bottle or infusion bag through the joint 3. After the staff takes out the sealing cover 5, the sub-connector can be inserted at the top of the connecting tube 4 to connect more infusion bottles or infusion bags. The staff rotates the handle 7 at the top of the rotating rod 6, and the handle 7 drives the rotating rod 6 and the connecting chamber 8 at its bottom to rotate. Drain grooves 9 are provided on both sides of the surface of the connecting chamber 8. The drainage grooves 9 are used to discharge the medicine from the joints 3 on both sides. The staff connects the micro-electric telescopic rod 10 to the power supply, and the micro-electric telescopic rod 10 drives the sealing plate 11 at the bottom to adjust the height, thereby facilitating the control of discharging the medicine in the joints 3 on both sides. When the medicine is not discharged, the connecting chamber 8 can be rotated at an angle. The first filter membrane 16 and the second filter membrane 17 are respectively arranged on both sides of the inner wall of the ventilation groove 15, and the first filter membrane 16 and the second filter membrane 17 are made of nano-scale filter membranes, which can effectively capture and intercept harmful substances such as particles, bacteria, viruses, etc. in the air to ensure that the air entering the infusion tube 1 is pure and sterile.

[0033] The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] In the description of the present utility model, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. The meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0037] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0038] In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A multi-channel automatic liquid exchange infusion device, characterized in that: include: Infusion tube (1); The top end of the infusion tube (1) is fixedly connected to a female connector (2), both sides of the surface of the female connector (2) are fixedly connected to connectors (3), one side of the surface of one of the connectors (3) is fixedly connected to a connecting tube (4), and the top end of the connecting tube (4) is fixedly connected to a sealing cover (5); The top end of the infusion tube (1) is rotatably connected to a rotating rod (6), the top end of the rotating rod (6) is fixedly connected to a handle (7), the bottom end of the rotating rod (6) is fixedly connected to a connecting chamber (8), and the surface of the connecting chamber (8) is rotatably connected to the inner wall of the female connector (2), drainage grooves (9) are provided on both sides of the surface of the connecting chamber (8), the tops of the inner walls of the two drainage grooves (9) are fixedly connected to micro electric telescopic rods (10), and the bottom end of the micro electric telescopic rod (10) is fixedly connected to a sealing plate (11).

2. A multi-channel automatic liquid exchange infusion device according to claim 1, characterized in that: A Murphy's dropper (12) is fixedly connected to one side of the surface of the infusion tube (1), and an air filter (13) is fixedly connected to the other side of the surface of the infusion tube (1).

3. A multi-channel automatic liquid-changing infusion device according to claim 2, characterized in that: Connecting plates (14) are fixedly connected to both sides of the inner wall of the air filter (13), and ventilation grooves (15) are provided on the inner walls of the two connecting plates (14).

4. A multi-channel automatic liquid-changing infusion device according to claim 3, characterized in that: A first filter membrane (16) is fixedly connected to one side of the inner wall of the ventilation groove (15), and one side of the surface of the first filter membrane (16) is fixedly connected to the surface of the air filter (13), and a second filter membrane (17) is fixedly connected to the other side of the inner wall of the ventilation groove (15).

5. The multi-channel automatic liquid-changing infusion device according to claim 1, characterized in that: The bottom end of the infusion tube (1) is fixedly connected to a first mounting plate (18), and the bottom end of the first mounting plate (18) is overlapped with a second mounting plate (19).

6. A multi-channel automatic liquid-changing infusion device according to claim 5, characterized in that: A mounting ring (20) is fixedly connected to the top of the second mounting plate (19), and one side of the surface of the mounting ring (20) is plugged into the inner wall of the first mounting plate (18).

7. The multi-channel automatic liquid-changing infusion device according to claim 5, characterized in that: A connecting tube (21) is fixedly connected to the middle of the bottom of the second mounting plate (19), and a needle (22) is fixedly connected to the bottom end of the connecting tube (21).

Citation Information

Patent Citations

  • Multichannel is from moving liquid infusion set

    CN205181899U