A blood dialysis pipeline leakage prevention connecting device

Abstract

The utility model discloses a kind of hemodialysis pipeline anti-leakage connecting devices, it is related to hemodialysis pipeline connection technical field, including the anti-leakage connecting device between the adjacent two dialysis tubes, the anti-leakage connecting device includes anti-leakage connecting pipe main body, the anti-leakage connecting pipe main body is located between the adjacent two dialysis tubes, the anti-leakage connecting pipe main body inner wall both ends are all set with clamping groove, two the side of the clamping groove close to is equipped with sealing ring, the anti-leakage connecting pipe main body and the inside between two sealing rings are fixed with same fixed inner tube.This utility model is firmly connected between two dialysis tubes by anti-leakage connecting pipe main body, so that fixed inner tube and sealing ring can prevent the blood or dialysis fluid that dialysis tube inside flows through from leaking, reduce patient infection risk, can maintain stable blood flow and ultrafiltration rate, avoid increasing coagulation probability, improve use safety.

Description

Technical Field

[0001] This utility model relates to the field of hemodialysis tubing connection technology, specifically a hemodialysis tubing anti-leakage connection device. Background Technology

[0002] Hemodialysis tubing is an essential channel connecting a patient's blood vessels to the dialysis machine. It allows blood to be drawn from the body, pass through the dialysis machine to remove metabolic waste and excess water, and then be returned to the body after purification. Therefore, establishing hemodialysis tubing is crucial for dialysis treatment. Since dialysis tubing includes arterial tubing, venous tubing, puncture needles, etc., a hemodialysis tubing connection device is required when connecting the patient's blood vessels.

[0003] For example, Chinese patent application CN202120432541.7 discloses a hemodialysis tubing connection device, comprising connecting tubes, connectors, and connecting blocks. Two connecting blocks are respectively fixedly installed at one end of two connectors. Two connectors are respectively fixedly installed on the outer walls of two connecting tubes. The two connecting tubes are connected to the connecting blocks via the two connectors. Fixing blocks are fixedly installed on the outer walls of the two connectors. Fixing rods are fixedly installed at the upper and lower ends of the left side of the outer wall of the right-side fixing block. The two fixing rods are slidably inserted into the inner cavity of the left-side fixing block. Each fixing rod's inner cavity is equipped with a fixing mechanism. Sliding mechanisms are provided at the upper and lower ends of the left-side fixing block. This hemodialysis tubing connection device solves the problem that simple hemodialysis tubing connections are prone to breakage and blood loss when the tubing is stretched.

[0004] However, in actual use, the two connectors in the above device are connected by a sealing block located on the outer wall of the connector. When blood flows from the inside of the connecting tube, blood can easily seep out through the gap between the two sealing blocks, increasing the risk of infection, causing insufficient treatment dosage for the patient, and increasing the probability of clotting. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a leak-proof connection device for hemodialysis tubing. By firmly connecting the leak-proof connection tube body between two dialysis tubing, the fixed inner tube and sealing ring can prevent leakage of blood or dialysate flowing inside the dialysis tubing, reducing the risk of infection for patients, maintaining stable blood flow and ultrafiltration rate, avoiding increased clotting probability, and improving safety of use. This effectively solves the problems in the background technology.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a leak-proof connection device for hemodialysis tubing, including a leak-proof connection device disposed between two adjacent dialysis tubing;

[0007] The leak-proof connection device includes a leak-proof connection tube body, which is disposed between two adjacent dialysis tubes. Both ends of the inner wall of the leak-proof connection tube body are provided with snap-fit ​​grooves. A sealing ring is provided on the side of the two snap-fit ​​grooves that are close to each other, and the sealing ring is fixedly disposed inside the leak-proof connection tube body. A fixed inner tube is fixedly disposed between the leak-proof connection tube body and the two sealing rings, so that the fixed inner tube can be inserted into the dialysis tube, thereby improving the sealing between the dialysis tube and the leak-proof connection tube body and achieving the effect of preventing leakage.

[0008] Preferably, the outer wall of the dialysis tube port is snapped into the snap-fit ​​groove and fits snugly against the snap-fit ​​groove, which facilitates the insertion of the dialysis tube into the snap-fit ​​groove. This improves the sealing between the dialysis tube and the leak-proof connecting tube body, ensuring the integrity of subsequent blood or permeate flow.

[0009] Preferably, the sealing ring contacts the dialysis tube port, and the outer wall of the fixed inner tube contacts the inner wall of the dialysis tube port, which facilitates the fixed inner tube to extend into the dialysis tube and contact the inside of the dialysis tube. At the same time, the sealing ring isolates one end of the dialysis tube, improving the sealing between the dialysis tube and the leak-proof connecting tube body, and preventing blood or permeate from seeping out through the gap between the leak-proof connecting tube body and the dialysis tube.

[0010] Preferably, both ends of the fixed inner tube are fixedly provided with anti-leakage conical silicone rings, and the anti-leakage conical silicone rings are located inside the dialysis tube port. The outer wall of the anti-leakage conical silicone ring is in contact with the inner wall of the dialysis tube port, which facilitates the placement of the anti-leakage conical silicone ring inside the dialysis tube, preventing blood or permeate from leaking out of the dialysis tube and improving the sealing performance between the fixed inner tube and the dialysis tube in the connection of the anti-leakage connecting tube body.

[0011] Preferably, the leak-proof connecting pipe body has two threaded holes distributed vertically at both ends.

[0012] Preferably, a fixing ring is fixedly provided on the outer wall of one end of the dialysis tube near the leak-proof connecting tube body. Two wing bolts distributed vertically are threadedly connected to the fixing ring, and the wing bolts pass through the threaded holes to fix the leak-proof connecting tube body and the dialysis tube. This facilitates fixing the leak-proof connecting tube body to the two dialysis tubes separately with wing bolts, and also facilitates disassembling the leak-proof connecting tube body to fix two adjacent dialysis tubes together with wing bolts, making it convenient for users to use according to actual needs.

[0013] Compared with the prior art, this utility model provides a leak-proof connection device for hemodialysis tubing, which has the following beneficial effects:

[0014] This invention secures the leak-proof connecting tube body between two dialysis tubes by fixing the inner tube and the leak-proof conical silicone ring inside the dialysis tube, which fits snugly against the inner wall of the tube. Then, wing bolts are screwed into the threaded holes at both ends of the leak-proof connecting tube body, thus firmly connecting the body between the two dialysis tubes. Simultaneously, the inner tube and sealing ring prevent leakage of blood or dialysate flowing inside the dialysis tubes, reducing the risk of infection for patients, maintaining stable blood flow and ultrafiltration rate, avoiding increased clotting probability, and improving safety. Attached Figure Description

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

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

[0017] Figure 3 This is a schematic diagram showing the overall structure of this utility model.

[0018] Figure 4 This is an explosion diagram of the leak-proof component of this utility model;

[0019] Figure 5 This is a cross-sectional view of the anti-leakage component structure of this utility model.

[0020] In the diagram: 1 Dialysis tube, 2 Fixing ring, 3 Leak-proof connection device, 4 Wing bolt; 31 Leak-proof connection tube body, 32 Fixing inner tube, 33 Leak-proof conical silicone ring, 34 Threaded hole, 35 Sealing ring, 36 Clip groove. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0022] like Figure 1-5 As shown, this utility model provides a leak-proof connection device for hemodialysis tubing, including a leak-proof connection device 3 disposed between two adjacent dialysis tubing 1. A fixing ring 2 is fixedly provided on the outer wall of one end of the dialysis tubing 1 near the leak-proof connection tube body 31. Two vertically distributed butterfly bolts 4 are threadedly connected to the fixing ring 2.

[0023] like Figure 2-5As shown, the leak-proof connection device 3 includes a leak-proof connection tube body 31, which is disposed between two adjacent dialysis tubes 1. Both ends of the inner wall of the leak-proof connection tube body 31 are provided with snap-fit ​​grooves 36. A sealing ring 35 is provided on the side of the two snap-fit ​​grooves 36 that are close to each other, and the sealing ring 35 is fixedly disposed inside the leak-proof connection tube body 31. A fixed inner tube 32 is fixedly disposed between the leak-proof connection tube body 31 and the two sealing rings 35, so that the fixed inner tube 32 can extend into the dialysis tube 1, improve the sealing between the dialysis tube 1 and the leak-proof connection tube body 31, and achieve the effect of preventing leakage.

[0024] The outer wall of the dialysis tube 1 port is snapped into and fits into the snap-fit ​​groove 36, facilitating the insertion of the dialysis tube 1 into the snap-fit ​​groove 36. This improves the sealing between the dialysis tube 1 and the leak-proof connecting tube body 31, ensuring the integrity of subsequent blood or permeate flow. The sealing ring 35 contacts the dialysis tube 1 port, and the outer wall of the fixing inner tube 32 contacts the inner wall of the dialysis tube 1 port, facilitating the insertion of the fixing inner tube 32 into the dialysis tube 1 and its contact with the inside of the dialysis tube 1. At the same time, the sealing ring 35 isolates one end of the dialysis tube 1, improving the sealing between the dialysis tube 1 and the leak-proof connecting tube body 31, preventing blood or permeate from seeping out through the gap between the leak-proof connecting tube body 31 and the dialysis tube 1.

[0025] Both ends of the fixed inner tube 32 are fixedly provided with anti-leakage conical silicone rings 33, and the anti-leakage conical silicone rings 33 are located inside the port of the dialysis tube 1. The outer wall of the anti-leakage conical silicone ring 33 is in contact with the inner wall of the port of the dialysis tube 1, so that the anti-leakage conical silicone ring 33 can be placed inside the dialysis tube 1 to prevent blood or permeate from leaking out of the dialysis tube 1 and improve the sealing between the fixed inner tube 32 and the dialysis tube 1 in the connection of the anti-leakage connecting tube body 31.

[0026] Both ends of the leak-proof connecting pipe body 31 have two threaded holes 34 distributed vertically, and the wing bolts 4 pass through the threaded holes 34 to fix the leak-proof connecting pipe body 31 and the dialysis tube 1. This makes it easy to fix the leak-proof connecting pipe body 31 to the two dialysis tubes 1 respectively by means of the wing bolts 4. It also makes it easy to disassemble the leak-proof connecting pipe body 31 and fix the two adjacent dialysis tubes 1 together by means of the wing bolts 4. This makes it convenient for users to use according to the actual situation.

[0027] When connecting two dialysis tubes 1 by setting up the anti-leakage connection device 3, take out the anti-leakage connection device 3, insert one end of each of the two dialysis tubes 1 into the two ends of the anti-leakage connection tube body 31, and simultaneously make them fit against the inner wall of the anti-leakage connection tube body 31. This allows the fixed inner tube 32 and the anti-leakage conical silicone ring 33 to be inserted into the dialysis tube 1 and fit against the inner wall of the dialysis tube 1. Figure 2 As shown;

[0028] Then, take the butterfly bolt 4, pass it through the fixing ring 2 on the surface of the dialysis tube 1, and screw it into the threaded holes 34 at both ends of the anti-leakage connecting tube body 31. This securely connects the anti-leakage connecting tube body 31 between the two dialysis tubes 1. At the same time, fixing the inner tube 32 and the sealing ring 35 can prevent the blood or dialysate flowing inside the dialysis tube 1 from leaking out, reducing the risk of infection for the patient, maintaining a stable blood flow and ultrafiltration rate, avoiding an increase in the probability of clotting, and improving the safety of use.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A leak-proof connection device for hemodialysis tubing, comprising a leak-proof connection device (3) disposed between two adjacent dialysis tubing (1), characterized in that: The leak-proof connection device (3) includes a leak-proof connection tube body (31), which is located between two adjacent dialysis tubes (1). Both ends of the inner wall of the leak-proof connection tube body (31) are provided with snap-fit ​​grooves (36). A sealing ring (35) is provided on the side of the two snap-fit ​​grooves (36) that are close to each other. The sealing ring (35) is fixedly located inside the leak-proof connection tube body (31). The same fixed inner tube (32) is fixedly provided between the leak-proof connection tube body (31) and the two sealing rings (35).

2. The anti-leakage connection device for hemodialysis tubing according to claim 1, characterized in that: The outer wall of the dialysis tube (1) is snapped into the snap-fit ​​groove (36) and fits into the snap-fit ​​groove (36).

3. The anti-leakage connection device for hemodialysis tubing according to claim 1, characterized in that: The sealing ring (35) is in contact with the port of the dialysis tube (1), and the outer wall of the fixed inner tube (32) is in contact with the inner wall of the port of the dialysis tube (1).

4. The anti-leakage connection device for hemodialysis tubing according to claim 1, characterized in that: Both ends of the fixed inner tube (32) are fixed with anti-leakage conical silicone rings (33), and the anti-leakage conical silicone rings (33) are located inside the port of the dialysis tube (1). The outer wall of the anti-leakage conical silicone rings (33) is in contact with the inner wall of the port of the dialysis tube (1).

5. The anti-leakage connection device for hemodialysis tubing according to claim 1, characterized in that: The leak-proof connecting pipe body (31) has two threaded holes (34) distributed vertically at both ends.

6. The anti-leakage connection device for hemodialysis tubing according to claim 1, characterized in that: A fixing ring (2) is fixedly provided on the outer wall of one end of the dialysis tube (1) near the leak-proof connecting tube body (31). Two butterfly bolts (4) distributed vertically are connected to the fixing ring (2) by thread, and the butterfly bolts (4) penetrate the threaded hole (34) to fix the connection between the leak-proof connecting tube body (31) and the dialysis tube (1).

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