CN216294843U - Artery parallel tube used in hemodialysis - Google Patents

Abstract

The utility model discloses an artery parallel connection pipe used in hemodialysis, and relates to the field of hemodialysis pipelines; an artery parallel connection tube used in hemodialysis comprises a main tube, a three-way interface, a first branch and a second branch, wherein the two ends of the main tube are fixedly connected with the three-way interface; the utility model provides a use artery parallel connection pipe in hemodialysis sets up first branch and second branch at the person in charge both ends, satisfies on first branch draws out and dialyses the demand basis that the motor-driven pulse connector of motor is connected from patient's internal blood, according to patient's artery blood supply volume, through one of them second branch and the newly-increased pjncture needle tube coupling of patient, through another second branch connection's saline pipe way after the dialysis finishes.

Description

Artery parallel tube used in hemodialysis

Technical Field

The utility model relates to the field of hemodialysis pipelines, in particular to an artery parallel connection pipe used in hemodialysis.

Background

Hemodialysis is one of the kidney replacement treatment modes of patients with acute and chronic renal failure. The method comprises the steps of draining blood in vivo to the outside of the body, enabling the blood and electrolyte solution (dialysate) with similar body concentration to be inside and outside one hollow fiber through a dialyzer consisting of a plurality of hollow fibers, and carrying out substance exchange through dispersion, ultrafiltration, adsorption and convection principles, so as to remove metabolic waste in the body and maintain the balance of electrolyte and acid and alkali; at the same time, the excess water in the body is removed, and the whole process of purified blood reinfusion is called hemodialysis.

After the dialysis is finished, a saline pipeline needs to be externally connected to the hemodialysis pipeline to assist blood in the hemodialysis pipeline to return to the body of a patient.

In summary, the following technical problems exist in the hemodialysis process of the current patients: 1) when the existing hemodialysis pipeline is used, the arterial blood supply is insufficient, the target which cannot be reached is needed, a puncture needle needs to be connected from other parts of a patient, and the arterial blood supply is increased by two pipelines at the same time, but two branch pipelines connected with the end of the puncture needle are not provided, so that the dialysis process is not ideal; 2) when the hemodialysis pipeline is provided with a branch and can meet the use requirement of the dialysis process, and when the blood in the hemodialysis pipeline flows back to the body of a patient after the dialysis is finished, the branch connected with the saline pipeline is also needed to meet the use requirement of the hemodialysis process.

SUMMERY OF THE UTILITY MODEL

In view of the above problems in the prior art, the present invention provides an arterial parallel tube for hemodialysis.

In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:

an artery parallel connection tube used in hemodialysis comprises a main tube, a three-way interface, a first branch and a second branch, wherein the two ends of the main tube are fixedly connected with the three-way interface;

one end of the second branch, which is far away from the three-way connector, is fixedly connected with a threaded connector, and the threaded connector is connected with a saline pipeline or a puncture needle pipeline;

set up the main clamp on being responsible for, the main clamp is as the hemostatic clamp who is responsible for, set up first hemostatic clamp on the first branch, set up the second hemostatic clamp on the second branch, satisfy the demand that dialysis process and dialysis end blood flow back to patient's health in with the hemodialysis pipeline through a clamp, first hemostatic clamp and second hemostatic clamp.

Furthermore, the first branch is far away from tee bend interface one side fixedly connected with fixing base, the first branch is close to fixing base one side fixedly connected with bulge loop, it is equipped with the buckle to rotate interface near fixing base one side, the buckle rotates to be connected in the middle of fixing base and bulge loop, avoids rotating the interface and breaks away from, it keeps away from the inside internal thread that is equipped with in buckle one side to rotate the interface, it is close to rotate interface one side outside and is equipped with the external screw thread to connect, external screw thread and female connection.

The utility model has the beneficial effects that:

the utility model provides a use artery parallel connection pipe in hemodialysis sets up first branch and second branch at the person in charge both ends, satisfies on first branch draws out and dialyses the demand basis that the motor-driven pulse connector of motor is connected from patient's internal blood, according to patient's artery blood supply volume, through one of them second branch and the newly-increased pjncture needle tube coupling of patient, through another second branch connection's saline pipe way after the dialysis finishes.

The main tube of the utility model is provided with a second branch beside a first branch connected with a blood leading-out end in vivo through a three-way interface, and the second branch is connected with a newly added puncture needle pipeline of a patient, so that the arterial blood supply is increased, and the arterial blood supply requirement is met.

The main pipe is connected with the movable pulse connector of the dialysis machine by a first branch, the second branch is arranged through the three-way connector, and after dialysis is finished, the requirement of enabling blood in the hemodialysis pipeline to flow back to the body of a patient is met through the saline pipeline connected with the second branch.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a parallel arterial line for hemodialysis according to an embodiment of the present invention;

FIG. 2 is a schematic view of the connection of the first branch, the swivel joint, and the coupling in a distributed configuration according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a cross-sectional view of a connection between the first branch and the rotary interface according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a second branch according to an embodiment of the present invention;

fig. 5 is a sectional view of the screw interface and a structural diagram of the second branch according to the embodiment of the utility model.

In the drawings, the components represented by the respective reference numerals are listed below:

1-main pipe, 101-main clamp, 2-three-way interface, 3-first branch, 301-first hemostatic clamp, 302-fixed seat, 3021-convex ring, 303-rotary interface, 3031-internal thread, 3032-retaining ring, 304-joint, 3041-external thread, 4-second branch, 401-second hemostatic clamp, and 402-threaded interface.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5

The utility model relates to an artery parallel connection tube used in hemodialysis, which comprises a main tube (1), a three-way interface (2), a first branch (3) and a second branch (4), wherein the two ends of the main tube (1) are fixedly connected with the three-way interface (2), the other two ends of the three-way interface (2) are respectively and fixedly connected with the first branch (3) and the second branch (4), one end of the first branch (3), which is far away from the three-way interface (2), is rotatably connected with a rotating interface (303), the rotating interface (303) is connected with a puncture needle pipeline or a dialysis pulse motor end, and one side, which is far away from the first branch (3), of the rotating interface (303) is provided with a connector (304);

one end, far away from the three-way connector (2), of the second branch (4) is fixedly connected with a threaded connector (402), and the threaded connector (402) is connected with a saline pipeline or a puncture needle pipeline.

Set up main clamp (101) on being responsible for (1), main clamp (101) are as the hemostatic clamp who is responsible for (1), set up first hemostatic clamp (301) on first branch (3), set up second hemostatic clamp (401) on second branch (4), satisfy the demand that the hemodialysis process and dialysis end blood flow back to patient's health in with the hemodialysis pipeline through propping up clamp, first hemostatic clamp (301) and second hemostatic clamp (401).

Furthermore, one side, far away from the tee joint interface (2), of the first branch (3) is fixedly connected with a fixed seat (302), one side, close to the fixed seat (302), of the first branch (3) is fixedly connected with a convex ring (3021), one side, close to the fixed seat (302), of the rotating interface (303) is provided with a retaining ring (3032), the retaining ring (3032) is rotatably connected between the fixed seat (302) and the convex ring (3021) to avoid the rotating interface (303) from being separated, an internal thread (3031) is arranged inside one side, far away from the retaining ring (3032), of the rotating interface (303), an external thread (3041) is arranged outside one side, close to the rotating interface (303), of the joint (304), and the external thread (3041) is connected with the internal thread (3031).

The three-way joints at the two ends of the main pipe are connected with a first branch and a second branch, wherein the first branch of one three-way joint is used as a leading-out pipeline for leading out blood of a patient, and the second branch is connected with a newly-added puncture needle when the blood flow of the patient is insufficient, so that the blood of a newly-punctured vein is merged into the main arterial pipeline to increase the blood flow; and the first branch of the other three-way joint is connected with the dynamic pulse joint of the dialysis machine, the second branch is connected with a saline pipe, when the dialysis of the patient is finished, the corresponding main clamp, the first hemostatic clamp and the second hemostatic clamp are controlled, the buckle of the saline pipe is opened, the saline pipe is connected with the atmosphere through the vent hole, the saline input is realized, and the saline in the saline pipe flows the blood in the main pipe back to the patient under the action of gravity, so that the closed blood return is completed.

In summary, the artery parallel connection tube for hemodialysis of the utility model is provided with the first branch and the second branch at two ends of the main tube, and on the basis that the first branch meets the requirement of leading blood out from the body of a patient and connecting with a dynamic artery connector of the hemodialysis machine, the artery parallel connection tube is connected with a puncture needle pipeline newly added by the patient through one of the second branches according to the artery blood supply amount of the patient, and is connected with a saline pipeline through the other second branch after the dialysis is finished.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (2)

1. An artery parallel tube used in hemodialysis is characterized in that: the three-way pipe comprises a main pipe, a three-way interface, a first branch and a second branch, wherein the two ends of the main pipe are fixedly connected with the three-way interface, the other two ends of the three-way interface are respectively and fixedly connected with the first branch and the second branch, one end of the first branch, which is far away from the three-way interface, is rotatably connected with a rotating interface, and one side, which is far away from the first branch, of the rotating interface is provided with a joint;

one end of the second branch, which is far away from the three-way connector, is fixedly connected with a threaded connector;

the main pipe is provided with a main clamp, the main clamp is used as a hemostatic clamp of the main pipe, the first branch is provided with a first hemostatic clamp, and the second branch is provided with a second hemostatic clamp.

2. An arterial shunt tube for hemodialysis as set forth in claim 1, wherein: the tee joint comprises a first branch, a second branch and a third branch, wherein the first branch is fixedly connected with a fixing seat on one side far away from a tee joint port, a convex ring is fixedly connected on one side of the first branch close to the fixing seat, a retaining ring is arranged on one side of a rotating port close to the fixing seat, the retaining ring is rotatably connected between the fixing seat and the convex ring, an internal thread is arranged inside one side of the rotating port far away from the retaining ring, an external thread is arranged outside one side of the joint close to the rotating port, and the external thread is connected with the internal thread.

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