Disposable medicament delivery connecting pipe

Abstract

The utility model relates to the technical field of medicine delivery, in particular to a disposable medicine delivery connecting tube which comprises a fixed end connecting tube and a replacement end connecting tube, one end of the fixed end connecting tube is fixedly connected with a concave connecting end provided with a containing groove, and one end of the replacement end connecting tube is fixedly connected with a convex connecting end. The containing groove in the inner surface of the concave connecting end is attached to the outer surface of the convex connecting end to form detachable connection, a plurality of circular through grooves are formed in the concave connecting end, and pushing-out assemblies which are used for pushing out the convex connecting end and can slide in a reciprocating mode are arranged in the circular through grooves. Through the arrangement of the concave connecting end and the push-out assembly, an operator can press the push-out assembly to achieve the effect of separating the replacement end connecting pipe from the fixed end connecting pipe, and in consideration that the push-out assembly cannot be pressed comfortably in the operation process, two pressing blocks are arranged for fingers to borrow force, so that the disassembly difficulty is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of drug delivery, in particular to a disposable drug delivery connecting tube. Background Art

[0002] Drug delivery connecting tubes play a vital role in the medical field and are one of the important tools to ensure medical safety and treatment effectiveness. They are usually used to transport liquid drugs such as injections, nutrient solutions, blood, etc., as well as for blood sampling and blood transfusion in some medical equipment. They are usually made of medical-grade materials such as silicone and plastic to ensure the purity and safety of drugs.

[0003] However, the design and operation of traditional drug delivery connectors can present certain inconveniences. For example, connecting and replacing the connectors requires additional tools and skills, increasing operational difficulty and time. Furthermore, pulling directly on the connectors can cause the connectors to break at non-connected locations due to external forces, leading to failure and affecting the proper delivery of the drug. Furthermore, the need for additional tools reduces operator efficiency.

[0004] Therefore, it is necessary to invent a disposable medicine delivery connecting tube to solve the above problems. Summary of the Invention

[0005] In order to address the deficiencies of the prior art, the purpose of the present utility model is to provide a disposable drug delivery connecting tube, which solves the problem that directly pulling the connection of the connecting tube during actual use may cause the connecting tube to be affected by external force and break at the non-connection point, causing the connecting tube to fail and affecting the normal delivery of the drug, and taking additional tools will reduce the operator's work efficiency.

[0006] In order to achieve the above objectives, the present invention adopts the following technical solutions:

[0007] A disposable medicine delivery connecting tube comprises a fixed end connecting tube and a replacement end connecting tube, wherein one end of the fixed end connecting tube is fixedly connected to a recessed connecting end with a receiving groove, and one end of the replacement end connecting tube is fixedly connected to a raised connecting end, the receiving groove on the inner surface of the recessed connecting end is in contact with the outer surface of the raised connecting end to form a detachable connection, the recessed connecting end is provided with a plurality of circular through grooves, and a reciprocatingly slidable pushing assembly for pushing out the raised connecting end is provided inside the circular through grooves, and the two end surfaces of the pushing assembly are respectively located on both sides of the inner surface and the outer surface of the recessed connecting end.

[0008] As a preferred solution of the present invention, the part of the inner surface of the fixed end connecting tube located at the recessed connecting end is provided with a fixed tube outer wall adapted to the outer surface of the fixed end connecting tube, and the inside of the fixed tube outer wall is provided with a fixed tube inner wall adapted to the inner side wall of the fixed end connecting tube.

[0009] As a preferred solution of the present invention, a circular groove for accommodating the end face of the ejection assembly is provided at the position where the raised connecting end is adapted to the ejection assembly, and the inside of the raised connecting end is provided with an inner wall of the connecting end having the same diameter as the outer wall of the fixed tube and an inner wall of the connecting tube having the same diameter as the inner wall of the fixed tube.

[0010] As a preferred solution of the present invention, both vertical side walls of the recessed connecting end are provided with pressing blocks for convenient placement of fingers.

[0011] As a preferred solution of the present invention, the side of the pressing block facing the replacement end connecting tube is provided with anti-slip stripes for increasing finger friction.

[0012] As a preferred solution of the present invention, the end face profile of the raised connecting end is waist-shaped, and the receiving groove on the inner surface of the recessed connecting end is adapted to the end face profile of the raised connecting end.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] In the present invention, through the provision of the recessed connecting end and the ejection assembly, the operator can separate the replacement end connecting tube from the fixed end connecting tube by pressing the ejection assembly. Considering that it is not possible to press the ejection assembly comfortably during operation, two pressing blocks are provided for fingers to leverage to reduce the difficulty of disassembly. At the same time, the pressing and ejecting setting prevents the connecting tube from being broken at the non-connection point due to external force. The opening of the circular groove ensures that the raised connecting end can fit tightly with the recessed connecting end, thereby ensuring the sealing effect of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the replacement connection end of the utility model;

[0018] Figure 4 This is a schematic diagram of the fixed connection end structure of the utility model.

[0019] Explanation of the accompanying drawings: 1. Replacement end connecting tube; 101. Inner wall of the connecting end; 102. Inner wall of the connecting tube; 2. Fixed end connecting tube; 201. Outer wall of the fixed tube; 202. Inner wall of the fixed tube; 3. Recessed connecting end; 4. Pressing block; 5. Ejection assembly; 6. Through groove; 7. Circular groove; 8. Anti-slip stripes; 9. Raised connecting end. DETAILED DESCRIPTION

[0020] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention and are not intended to limit the scope of protection of the present invention.

[0021] The utility model provides Figure 1-4 The disposable drug delivery connecting tube shown includes a fixed end connecting tube 2 and a replacement end connecting tube 1, one end of the fixed end connecting tube 2 is fixedly connected to a recessed connecting end 3 with a receiving groove, and one end of the replacement end connecting tube 1 is fixedly connected to a raised connecting end 9, the receiving groove on the inner surface of the recessed connecting end 3 is in contact with the outer surface of the raised connecting end 9 to form a detachable connection, the recessed connecting end 3 is provided with a plurality of circular through grooves 6, and a reciprocatingly slidable ejection component 5 for ejecting the raised connecting end 9 is arranged inside the circular through groove 6, the two end surfaces of the ejection component 5 are respectively located on both sides of the inner surface and the outer surface of the recessed connecting end 3, the inner surface of the through groove 6 should leave a part of the gap with the contact surface diameter of the ejection component 5 for the reciprocating sliding of the ejection component 5, and at the same time, the ejection component 5 should be prevented from falling off from the through groove 6.

[0022] The portion of the fixed-end connecting tube 2 located on the inner surface of the recessed connecting end 3 is provided with a fixed tube outer wall 201 that is adapted to the outer surface of the fixed-end connecting tube 2, and the interior of the fixed tube outer wall 201 is provided with a fixed tube inner wall 202 that is adapted to the inner side wall of the fixed-end connecting tube 2. By extending the fixed-end connecting tube 2 to the inner side of the recessed connecting end 3, the sealing effect between the fixed-end connecting tube 2 and the replacement-end connecting tube 1 is increased, thereby preventing the medicine from flowing out along the gap.

[0023] The position where the raised connecting end 9 is adapted to the ejection component 5 is provided with a circular groove 7 for accommodating the end face of the ejection component 5. The raised connecting end 9 is provided with a connecting end inner wall 101 with the same diameter as the fixed tube outer wall 201 and a connecting tube inner wall 102 with the same diameter as the fixed tube inner wall 202. The connecting end inner wall 101 has the same diameter as the fixed tube inner wall 202 and needs to be the same as the inner diameter of the pipe to ensure that the flow rate of the medicine will not be reduced due to changes in the inner diameter of the pipe during transmission through the connecting pipe.

[0024] Both vertical side walls of the recessed connecting end 3 are provided with pressing blocks 4 for easy placement of fingers. The setting of the pressing blocks 4 makes it convenient for the operator to press the ejection component 5 with the pressing blocks 4 as a fulcrum during replacement operations, thereby reducing the difficulty of replacing the connecting pipe.

[0025] The pressing block 4 is provided with anti-skid stripes 8 on one side facing the replacement end connecting tube 1 for increasing finger friction. The anti-skid stripes 8 can prevent the operator's fingers from slipping during the replacement process.

[0026] The end face contour of the raised connecting end 9 is waist-shaped, and the receiving groove on the inner surface of the recessed connecting end 3 is adapted to the end face contour of the raised connecting end 9. By setting the waist-shaped contour, it is convenient to position the recessed connecting end 3 and the raised connecting end 9 when connecting the pipelines, thereby ensuring the sealing effect of the connection position.

[0027] The utility model, through the setting of the recessed connecting end 3 and the pushing component 5, the operator can separate the replacement end connecting tube 1 from the fixed end connecting tube 2 by pressing the pushing component 5. Considering that it is difficult to press the pushing component 5 comfortably during operation, two pressing blocks 4 are provided to provide fingers with leverage to reduce the difficulty of disassembly. At the same time, the pressing and pushing setting can prevent the connecting tube from being broken at the non-connection point due to the influence of external force. The opening of the circular groove 7 ensures that the raised connecting end 9 can fit tightly with the recessed connecting end 3, thereby ensuring the sealing effect of the connection.

[0028] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A disposable medicine delivery connecting tube, characterized by: The invention comprises a fixed end connecting tube (2) and a replacement end connecting tube (1), wherein one end of the fixed end connecting tube (2) is fixedly connected to a recessed connecting end (3) with a receiving groove, and one end of the replacement end connecting tube (1) is fixedly connected to a raised connecting end (9), wherein the receiving groove on the inner surface of the recessed connecting end (3) is in contact with the outer surface of the raised connecting end (9) to form a detachable connection, wherein the recessed connecting end (3) is provided with a plurality of circular through grooves (6), wherein a reciprocatingly slidable ejection component (5) for ejecting the raised connecting end (9) is provided inside the circular through grooves (6), and the two end surfaces of the ejection component (5) are respectively located on both sides of the inner surface and the outer surface of the recessed connecting end (3).

2. A disposable medicine delivery connecting tube according to claim 1, characterized in that: The portion of the inner surface of the fixed end connecting tube (2) located at the recessed connecting end (3) is provided with a fixed tube outer wall (201) adapted to the outer surface of the fixed end connecting tube (2), and the interior of the fixed tube outer wall (201) is provided with a fixed tube inner wall (202) adapted to the inner side wall of the fixed end connecting tube (2).

3. The disposable medicine delivery connecting tube according to claim 1, characterized in that: A circular groove (7) for receiving the end face of the ejection assembly (5) is provided at a position where the protruding connection end (9) is adapted to the ejection assembly (5), and a connection end inner wall (101) having the same diameter as the outer wall (201) of the fixed tube and a connection tube inner wall (102) having the same diameter as the inner wall (202) of the fixed tube are provided inside the protruding connection end (9).

4. The disposable medicine delivery connecting tube according to claim 1, characterized in that: Both vertical side walls of the recessed connecting end (3) are provided with pressing blocks (4) for easy placement of fingers.

5. The disposable medicine delivery connecting tube according to claim 4, characterized in that: The pressing block (4) is provided with anti-slip stripes (8) on one side facing the replacement end connecting tube (1) for increasing finger friction.

6. The disposable medicine delivery connecting tube according to claim 1, characterized in that: The end face profile of the raised connecting end (9) is waist-shaped, and the receiving groove on the inner surface of the recessed connecting end (3) is adapted to the end face profile of the raised connecting end (9).

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