Dual outlet hemodialysis tubing

Abstract

The utility model provides a kind of double-outlet hemodialysis pipeline, including first arterial pipeline, one end of the first arterial pipeline is connected with first puncture needle, other end is sequentially connected with arterial pot and dialyzer, still including second arterial pipeline, one end of the second arterial pipeline is connected with second puncture needle, other end of the second arterial pipeline is communicated on the first arterial pipeline by being provided with a pipeline joint, and it is between arterial pot and first puncture needle;Second infusion joint is equipped on the second arterial pipeline.The utility model is simple in structure, can be drained simultaneously by being provided with double arterial pipeline, increase blood flow, ensure dialysis to carry out.

Description

Technical Field

[0001] This utility model relates to the field of hemodialysis tubing technology, and in particular to a dual-outlet hemodialysis tubing. Background Technology

[0002] Hemodialysis tubing is a crucial component of hemodialysis treatment, involving the process of blood circulating outside the body. Hemodialysis machines operate on two fundamental principles: first, they drive blood circulation outside the body; second, they prepare a dialysate by mixing reverse osmosis water and concentrate in a specific ratio to meet clinical needs. This dialysate is then delivered to the dialyzer, where diffusion and convection remove toxins from the blood, regulate electrolyte and acid-base balance, and remove excess water from the patient's body through the pressure difference between the blood and the dialysate.

[0003] The extracorporeal blood circulation pathway of a hemodialysis device refers to the closed loop in which the patient's blood is circulated outside the body by a blood pump. The patient's blood is drawn from the "arterial end," flows through the arterial tubing to the dialyzer, and then flows back to the patient's vein after dialysis is completed.

[0004] The "arterial end" (vascular access) generally includes the fistula formed after autogenous arteriovenous fistula creation, deep vein catheterization, or a vein that meets the puncture criteria. Normal dialysis typically requires a blood flow rate of ≥200 ml / min. Failure due to various reasons such as stenosis, thrombosis, or insufficient blood flow often leads to insufficient blood flow, affecting the adequacy of dialysis. However, existing hemodialysis tubing has a single-outlet structure. Patients frequently experience insufficient blood flow due to vascular access failure, forcing them to stop hemodialysis for vascular access maintenance, making it impossible to guarantee continued dialysis. Therefore, this single-outlet hemodialysis tubing structure is unsuitable for patients with high-flow-rate dialysis needs. Summary of the Invention

[0005] The technical problem to be solved by this utility model is to provide a dual-outlet hemodialysis tubing with a simple structure. By setting up dual arterial tubing, drainage can be carried out simultaneously, increasing blood flow and ensuring dialysis can proceed.

[0006] This utility model is implemented as follows: a dual-outlet hemodialysis tubing includes a first arterial tubing, one end of which is connected to a first puncture needle, and the other end is sequentially connected to an arterial chamber and a dialyzer. It also includes a second arterial tubing, one end of which is connected to a second puncture needle, and the other end of which is connected to the first arterial tubing via a tubing connector and is located between the arterial chamber and the first puncture needle; the second arterial tubing is provided with a second infusion connector.

[0007] Furthermore, a first infusion connector, an arterial pressure monitoring connector, and a drug delivery connector are sequentially provided on the first arterial line and between the second arterial line and the arterial pot.

[0008] Furthermore, the arterial pot is equipped with an exhaust pipe.

[0009] Furthermore, the dialyzer is connected to a venous line.

[0010] The advantages of this invention are: by setting up a dual arterial pipeline, the invention can simultaneously drain blood, increase blood flow, and ensure smooth dialysis; the second arterial pipeline is equipped with a second infusion connector, which can be used to connect an infusion set for flushing when flushing is required. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] The reference numerals in the attached diagram are as follows: Hemodialysis tubing 100, First arterial tubing 1, First puncture needle 11, First infusion connector 12, Arterial pressure monitoring connector 13, Drug delivery connector 14, Arterial reservoir 2, Exhaust pipe 21, Dialyzer 3, Second arterial tubing 4, Second puncture needle 41, Tubing connector 42, Second infusion connector 43, Intravenous tubing 5. Detailed Implementation

[0014] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0015] The technical problem to be solved by this utility model is that the existing hemodialysis tubing has a single outlet structure. Patients often have insufficient blood flow due to vascular access failure, and have to stop hemodialysis and perform vascular access maintenance. This cannot guarantee the progress of dialysis and cannot meet the needs of patients with high blood flow dialysis requirements.

[0016] The solution proposed by this invention is to add a second arterial access to the first arterial access, thereby increasing blood flow through the simultaneous drainage of the two arterial accesses. This allows the system to meet the needs of patients requiring high-flow-rate dialysis without affecting the use of the arterial access.

[0017] like Figure 1As shown, this utility model discloses a dual-outlet hemodialysis tubing 100, including a first arterial tubing 1. One end of the first arterial tubing 1 is connected to a first puncture needle 11, and the other end is sequentially connected to an arterial chamber 2 and a dialyzer 3. It also includes a second arterial tubing 4, one end of which is connected to a second puncture needle 41. The other end of the second arterial tubing 4 is connected to the first arterial tubing 1 via a tubing connector 42, and is located between the arterial chamber 2 and the first puncture needle 11. The second arterial tubing 4 is equipped with a second infusion connector 43. If the second arterial tubing encounters an infusion port, a second infusion connector 43 is provided. If tubing 4 becomes blocked, it can be flushed using a second infusion connector 43 connected to saline solution. A first infusion connector 12, an arterial pressure monitoring connector 13, and a drug delivery connector 14 are sequentially arranged on the first arterial tubing 1, located between the second arterial tubing 4 and the arterial chamber 2. The first infusion connector 12 is used to connect an infusion set for flushing the first arterial tubing 1 with saline solution. The arterial pressure monitoring connector 13 is used to connect an arterial pressure monitor to monitor the pressure in the arterial vascular pathway during hemodialysis. The drug delivery connector 14 is used to connect a drug injection bottle for drug infusion. An vent pipe 21 is provided on the arterial chamber 2 to remove gas from the chamber and prevent air bubbles from entering the dialyzer 3. The dialyzer 3 is connected to a venous tubing 5, through which dialyzed blood can be returned to the patient.

[0018] This invention is mainly used for: 1. In cases of insufficient blood flow from arteriovenous fistulas or deep vein catheters, increasing blood flow by puncturing an additional vein to ensure smooth dialysis, buying time for fistula and deep vein catheter maintenance, and reducing complications and risks caused by inadequate dialysis or dialysis interruption. 2. For patients without established or with insufficient time to establish vascular access such as fistulas, providing sufficient blood flow by puncturing two veins as access routes to ensure smooth dialysis, buying time for subsequent treatment and vascular access establishment. 3. To meet the needs of patients requiring high blood flow dialysis that cannot be met by a single access route, thereby improving dialysis adequacy.

[0019] The first arterial tube 1 and the second arterial tube 4 of this invention puncture the patient's vein through the first puncture needle 11 and the second puncture needle 41 respectively to drain blood into the dialyzer 3 for filtration, and then drain it back into the patient's body through the venous tube 5. When the arterial tube is blocked, the corresponding infusion connector can be used to connect the infusion set and flush with saline.

[0020] While specific embodiments of the present invention have been described above, those skilled in the art should understand that the specific embodiments described are merely illustrative and not intended to limit the scope of the present invention. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present invention should be covered within the scope of protection of the claims of the present invention.

Claims

1. A dual-outlet hemodialysis tubing, comprising a first arterial tubing, one end of which is connected to a first puncture needle, and the other end of which is sequentially connected to an arterial chamber and a dialyzer, characterized in that: It also includes a second arterial conduit, one end of which is connected to a second puncture needle, and the other end of which is connected to the first arterial conduit via a conduit connector and is located between the arterial chamber and the first puncture needle; the second arterial conduit is provided with a second infusion connector.

2. The dual-outlet hemodialysis tubing according to claim 1, characterized in that: A first infusion connector, an arterial pressure monitoring connector, and a drug delivery connector are sequentially arranged on the first arterial line and between the second arterial line and the arterial pot.

3. The dual-outlet hemodialysis tubing according to claim 1, characterized in that: The arterial chamber is equipped with an exhaust pipe.

4. A dual-outlet hemodialysis tubing according to claim 1, characterized in that: The dialyzer is connected to a venous line.

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