CN217015070U - Connector for transfusion - Google Patents
Connector for transfusion Download PDFInfo
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- CN217015070U CN217015070U CN202122928869.0U CN202122928869U CN217015070U CN 217015070 U CN217015070 U CN 217015070U CN 202122928869 U CN202122928869 U CN 202122928869U CN 217015070 U CN217015070 U CN 217015070U
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- air
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- air inlet
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Abstract
The utility model discloses a connector for transfusion, which comprises a transfusion tube, wherein two ends of the transfusion tube are respectively connected with a liquid medicine container, the transfusion tube consists of a transfusion cavity tube and an air filtering cavity tube, the air filtering cavity tube is connected with an air filtering interface, a spacer is arranged in the air filtering interface, the air filtering interface is divided into an air inlet cavity chamber and an air outlet cavity chamber by the spacer, the spacer extends into the air filtering cavity tube to divide the air filtering cavity tube into an air inlet cavity tube and an air outlet cavity tube, the air inlet cavity chamber is connected with the air inlet cavity tube, and the air outlet cavity chamber is connected with the air outlet cavity tube; the utility model has simple structure, integrates two air filtering channels, has the function of balancing the air pressure in the input bag (or other similar containers) and also has the function of balancing the air pressure in the output bag (or other similar containers), and ensures the efficient and stable transmission of liquid between the medicine bags (or containers similar to the medicine bags, such as medicine bottles).
Description
Technical Field
The present invention relates to a connector for infusion, which is used for liquid transfer between medicine bags (or containers similar to the medicine bags, such as medicine bottles).
Background
The disposable infusion apparatus is generally formed by connecting a plurality of main parts, such as a vein needle, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like. When the transfusion device is used for normally connecting the medicine bag and the human body, all the components are used, but when the transfusion device is used for liquid transmission between the medicine bag and the medicine bag, only a plurality of components including a transfusion hose, a flow regulator, a bottle stopper puncture device and an air filter are used. When liquid is transmitted between the medicine bag and the medicine bag, the medicine liquid is continuously discharged from the output bag, negative pressure is gradually formed in the bag, liquid continuously enters the input bag, and air in the bag is gradually compressed to form positive pressure, so that the input bag and the output bag are connected with an air filter externally through hoses to realize air intake or exhaust.
The patent document with the publication number of CN205515800U discloses a bottle stopper puncture outfit with air filter, which is designed to overcome the disadvantage of the traditional infusion that an additional air filter is required to be connected, and the puncture outfit can solve the pressure balance of the input bag, but still needs an air filter outside the input bag when used for the drug delivery of the medicine bag and the medicine bag.
The patent document No. CN205796133U discloses a drug solution delivery tube, which is designed with a dedicated pipeline between the drug bag and the drug bag, and only one air filtration passage is designed in consideration of the pressure balance of the output bag, but not the pressure balance of the input drug bag.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a connector for transfusion, which realizes the pressure balance of a medicine bag when liquid is transmitted between the medicine bags (or containers similar to the medicine bags, such as medicine bottles).
In order to solve the technical problem, the connector for infusion comprises an infusion tube, two ends of the infusion tube are respectively connected with a liquid medicine container, the infusion tube is composed of an infusion cavity tube and an air filtering cavity tube, the air filtering cavity tube is connected with an air filtering interface, a spacer is arranged in the air filtering interface, the air filtering interface is divided into an air inlet cavity chamber and an air outlet cavity chamber by the spacer, the spacer extends into the air filtering cavity tube to divide the air filtering cavity tube into the air inlet cavity tube and the air outlet cavity tube, the air inlet cavity chamber is connected with the air inlet cavity tube, and the air outlet cavity chamber is connected with the air outlet cavity tube.
The output bag (or other similar containers) continuously outputs the liquid medicine, negative pressure is gradually formed in the bag, air is conveyed to the output bag through the air inlet cavity and the air inlet cavity pipe, and pressure balance of the output bag is achieved. The liquid is continuously fed into the input bag, the air in the bag is gradually compressed to form positive pressure, and the air in the input bag is conveyed (exhausted) to the outside of the input bag through the air outlet chamber and the exhaust cavity pipe, so that the pressure balance of the input bag is realized.
In order to facilitate puncture, at least one end of the infusion tube is in a pointed shape.
In order to control the delivery of the liquid medicine, a mounting opening is formed in the infusion tube on one side of the air inlet cavity tube, a rotary rod is arranged in the mounting opening, and the rotary rod divides the infusion cavity tube and the air inlet cavity tube into two sections; the spiral rod is provided with a transfusion hole and an air inlet hole, the transfusion hole connects two sections of transfusion cavity pipes on two sides of the spiral rod, and the air inlet hole connects two sections of air inlet cavity pipes on two sides of the spiral rod. In order to facilitate the rotation of the rotary rod, the rotary rod is connected with a knob.
In order to prevent pollution, a connector cover is connected to the air filtering connector.
The utility model has simple structure, integrates two air filtering channels, has the function of balancing the air pressure in the input bag (or other similar containers), also has the function of balancing the air pressure in the output bag (or other similar containers), and ensures the high-efficiency and stable transmission of liquid between the medicine bags (or the containers similar to the medicine bags, such as medicine bottles).
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a left side schematic view of the present invention.
FIG. 2 is a right side view of the present invention.
Fig. 3 is a schematic view of the structure of the rotating rod.
FIG. 4 is a cross-sectional view of the present invention.
Detailed Description
As shown in fig. 1-4, the connector for infusion comprises an infusion tube 1, two ends of the infusion tube 1 are connected with a medical fluid container, as shown in fig. 1 and 2, one end or two ends of the infusion tube 1 are in a sharp head shape, so that the medical fluid container, such as a puncture bottle stopper, can be conveniently punctured.
As shown in fig. 4, the infusion tube 1 is composed of an infusion lumen 2 and an air filtration lumen 3, the air filtration lumen 3 is connected with an air filtration port 4, and the air filtration port 4 is connected with a port cover 5. The air filtering connector 4 is internally provided with a spacer 6, the spacer 6 divides the air filtering connector 4 into an air inlet chamber 7 and an air outlet chamber 8, the spacer 6 extends into the air filtering cavity tube 3 to divide the air filtering cavity tube 3 into an air inlet cavity tube 14 and an air outlet cavity tube 15, the air inlet cavity tube 14 and the air outlet cavity tube 15 are mutually isolated, the air inlet chamber 7 is connected with the air inlet cavity tube 14, and the air outlet chamber 8 is connected with the air outlet cavity tube 15.
As shown in fig. 4, the infusion tube 1 has an attachment port 9 on the side of the air inlet lumen 14 for controlling the liquid medicine delivery, a turn lever is provided in the attachment port 9, and a knob 11 is connected to the turn lever 10 as shown in fig. 3. The rotary rod 10 divides the infusion cavity tube 2 and the air inlet cavity tube 14 into two sections. The spiral rod 10 is provided with an infusion hole 12 and an air inlet hole 13, the infusion hole 12 connects the two sections of infusion cavity pipes 2 at the two sides of the spiral rod 10, and the air inlet hole 13 connects the two sections of air inlet cavity pipes 14 at the two sides of the spiral rod 10. The transfusion hole 12 and the air inlet hole 13 are respectively aligned with the transfusion cavity tube 2 and the air inlet cavity tube 14, so that the two sections of transfusion cavity tubes 2 and the two sections of air inlet cavity tubes 14 are connected. The rotary rod 10 is rotated to realize that the transfusion hole 12 and the air inlet hole 13 are respectively deviated from the transfusion cavity tube 2 and the air inlet cavity tube 14, the rotary rod 10 isolates the transfusion cavity tube 2 and the air inlet cavity tube 14 at two sides, namely, the transfusion cavity tube 2 and the air inlet cavity tube 14 are respectively cut off, the liquid medicine delivery is stopped, and the gas delivery into the output bag is stopped.
When the medical bag is used, the output bag (or other similar containers) continuously outputs the liquid medicine, negative pressure is gradually formed in the bag, air is conveyed to the output bag through the air inlet cavity chamber 7 and the air inlet cavity tube 14, and pressure balance of the output bag is achieved. Liquid is continuously filled into the input bag, air in the input bag is gradually compressed to form positive pressure, and the air in the input bag is conveyed (exhausted) to the outside of the input bag through the air outlet chamber 8 and the exhaust cavity tube 15, so that the pressure balance of the input bag is realized.
The above embodiments do not limit the present invention in any way, and all technical solutions obtained by means of equivalent substitution or equivalent transformation fall within the protection scope of the present invention.
Claims (5)
1. The connector for transfusion is characterized by comprising a transfusion tube, wherein two ends of the transfusion tube are respectively connected with a liquid medicine container, the transfusion tube is composed of a transfusion cavity tube and an air filtering cavity tube, the air filtering cavity tube is connected with an air filtering interface, a spacer is arranged in the air filtering interface, the air filtering interface is divided into an air inlet cavity chamber and an air outlet cavity chamber by the spacer, the spacer extends into the air filtering cavity tube to divide the air filtering cavity tube into an air inlet cavity tube and an air outlet cavity tube, the air inlet cavity chamber is connected with the air inlet cavity tube, and the air outlet cavity chamber is connected with the air outlet cavity tube.
2. The connector for infusion of claim 1, wherein: at least one end of the transfusion tube is in a sharp head shape.
3. The connector for infusion of claim 1, wherein: the infusion tube is provided with a mounting opening at one side of the air inlet cavity tube, a rotary rod is arranged in the mounting opening, and the rotary rod divides the infusion cavity tube and the air inlet cavity tube into two sections; the transfusion device is characterized in that a transfusion hole and an air inlet hole are formed in the rotary rod, the transfusion hole connects two sections of transfusion cavity pipes on two sides of the rotary rod, and the air inlet hole connects two sections of air inlet cavity pipes on two sides of the rotary rod.
4. The connector for infusion of claim 3, wherein: the rotary rod is connected with a knob.
5. The connector for infusion of claim 1, wherein: the air filtering interface is connected with an interface cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122928869.0U CN217015070U (en) | 2021-11-26 | 2021-11-26 | Connector for transfusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122928869.0U CN217015070U (en) | 2021-11-26 | 2021-11-26 | Connector for transfusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217015070U true CN217015070U (en) | 2022-07-22 |
Family
ID=82439145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122928869.0U Active CN217015070U (en) | 2021-11-26 | 2021-11-26 | Connector for transfusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217015070U (en) |
-
2021
- 2021-11-26 CN CN202122928869.0U patent/CN217015070U/en active Active
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