CN219579684U

CN219579684U - Three-way catheter with aseptic transfusion joint structure

Info

Publication number: CN219579684U
Application number: CN202222492237.9U
Authority: CN
Inventors: 沈美华
Original assignee: Jinshan Branch Of Shanghai Sixth People's Hospital (shanghai Jinshan District Central Hospital Shanghai Jinshan District Chinese Medicine Hospital)
Current assignee: Jinshan Branch Of Shanghai Sixth People's Hospital (shanghai Jinshan District Central Hospital Shanghai Jinshan District Chinese Medicine Hospital)
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-08-25
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a three-way catheter with a sterile infusion joint structure, which comprises a catheter body, wherein a catheter hole is formed in one end of the catheter body, which is inserted into a bladder of a patient, and a drainage interface connected with a drainage bottle is arranged at the other end of the catheter body; the other side of the other end of the catheter body is provided with a flushing interface which is provided with a sterile transfusion joint structure which is convenient for inserting a needle head at the upper part of the catheter body. The sterile infusion connector structure is arranged on the flushing interface, the needle head is directly inserted into the sterile infusion connector structure, multiple punctures to the flushing interface are avoided, the connection is safe, quick and reliable, the flushing interface is in a sealing state when not flushing, air is isolated, and leakage of the flushing interface can be effectively prevented.

Description

Three-way catheter with aseptic transfusion joint structure

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a three-way catheter with a sterile infusion joint structure.

Background

A urinary catheter is a conduit that is inserted into the bladder from the urethra in order to drain urine. Is a pipeline made of natural rubber, silicon rubber or polyvinyl chloride (PVC), can be inserted into the bladder through the urethra so as to drain urine, and after the catheter is inserted into the bladder, an air bag is arranged near the head end of the catheter to fix the catheter and is left in the bladder, so that the catheter is not easy to fall out, and the drainage tube is connected with a urine bag to collect urine.

The catheter has three interfaces, namely a balloon-filled interface, a drainage interface and a flushing interface, at present, when the catheter is flushed, the catheter is frequently connected with the flushing interface by using the infusion tube, firstly, the needle head of the infusion tube is inserted into the flushing interface, then flushing fluid is led into the catheter through the infusion tube and the needle head, finally, the flushing fluid flows into the bladder of a patient to flush the bladder of the patient, and after the flushing interface is punctured by the needle head for many times, the leakage condition of the flushing interface is very easy to occur, so that great inconvenience is brought to the flushing operation of the bladder of the patient.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides the three-way catheter with the sterile infusion connector structure, which has the advantages that the design is reasonable, the structure is simple, the operation is convenient, the sterile infusion connector structure is arranged on the flushing connector, the needle head is directly inserted into the sterile infusion connector structure, the flushing connector is prevented from being punctured for multiple times, the connection is safe, quick and reliable, the flushing connector is in a sealing state when not being flushed, the air is isolated, the leakage of the flushing connector can be effectively prevented, and the great convenience is brought to the bladder flushing operation of a patient.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

a three-way catheter with a sterile infusion joint structure comprises a catheter body, wherein a catheter hole is formed in one end of the catheter body, which is inserted into a bladder of a patient, and a drainage interface connected with a drainage bottle is arranged at the other end of the catheter body;

one side of the other end of the catheter body is provided with a balloon inflation interface, the position, which is inserted into one end of the bladder of the patient, of the catheter body and is positioned close to the urethral catheterization hole is provided with a balloon, and the balloon inflation interface is communicated with the balloon through a balloon inflation channel arranged on the side wall of the catheter body;

the catheter is characterized in that a flushing interface is arranged on the other side of the other end of the catheter body, and a sterile transfusion joint structure which is convenient for inserting a needle head into the upper part of the flushing interface is arranged on the flushing interface.

In a preferred embodiment of the present utility model, the aseptic infusion connector structure includes a connector housing, the outer side of the connector housing is sleeved on the flushing port, an injection runner is arranged in the connector housing along the axis direction of the connector housing, an aseptic rubber plug is arranged at the upper end of the connector housing and at the inlet of the injection runner, and an injection pipeline communicated with the outlet of the injection runner is arranged at the lower end of the connector housing.

In a preferred embodiment of the utility model, a fixing boss for being sleeved on the flushing port is arranged on the peripheral surface of the lower end of the joint housing, and the outer diameter of the fixing boss is larger than that of the joint housing.

In a preferred embodiment of the utility model, the sterile rubber plug is manufactured from a sterile rubber material.

Compared with the prior art, the sterile infusion connector structure is arranged on the flushing connector, the needle is directly inserted into the sterile infusion connector structure, multiple punctures to the flushing connector are avoided, the connection is safe, quick and reliable, the flushing connector is in a sealing state when not flushing, air is isolated, leakage of the flushing connector can be effectively prevented, and great convenience is brought to the flushing operation of the bladder of a patient.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of the structure of the present utility model after the needle is inserted.

FIG. 3 is a schematic view of the aseptic transfusion adapter structure of the present utility model.

Fig. 4 is a cross-sectional view of the sterile infusion connector structure of the present utility model.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

Referring to fig. 1-4, there is shown a three-way catheter with a sterile infusion set configuration, comprising a catheter body 100.

The catheter body 100 is provided with a urine guiding hole 110 at one end inserted into the bladder of a patient, the urine guiding hole 110 is in an oval shape, and the other end of the catheter body 100 is provided with a drainage interface 130 connected with a drainage bottle.

One side of the other end of the catheter body 100 is provided with a balloon interface 140, one end of the catheter body 100 inserted into the bladder of the patient is provided with a balloon 120 at a position close to the urethral catheterization hole, and the balloon interface 140 is communicated with the balloon 120 through a balloon channel arranged on the side wall of the catheter body 100.

A flushing port 150 is provided at the other side of the other end of the catheter body 100, and a sterile transfusion joint structure 200 for facilitating the insertion of the needle 300 at the upper part thereof is provided on the flushing port 150.

The aseptic transfusion joint structure 200 comprises a joint housing 210, wherein the outer side of the joint housing 210 is sleeved on the flushing port 150, an injection runner 220 is arranged in the joint housing 210 along the axial direction of the joint housing, an aseptic rubber plug 230 is arranged at the upper end of the joint housing 210 and positioned at the inlet of the injection runner 220, the aseptic rubber plug 230 is made of an aseptic rubber material, and an injection pipeline 240 communicated with the outlet of the injection runner 220 is arranged at the lower end of the joint housing 210.

When medical personnel need wash the bladder of patient, with syringe needle 300 direct plug-in to aseptic infusion connect structure 200 can, the flushing fluid passes through transfer line and syringe needle 300 guide into the catheter in, finally flows into and washes it in the bladder of patient, avoids carrying out multiple punctures to flushing interface 150, connects safe and fast reliable, can make the flushing interface be sealed state when not washing, not only isolated air to can also effectually prevent the condition that the leakage appears in the flushing interface.

The outer peripheral surface of the lower end of the connector housing 210 is provided with the fixing boss 250 which is sleeved on the flushing port 150, and the outer diameter of the fixing boss 250 is larger than that of the connector housing 210.

The bacteria-blocking filter membrane for filtering the flushing fluid is arranged in the injection flow passage 220, and is made of PP fibers, so that bacteria in the flushing fluid can be effectively filtered by adopting the structure, and the practicality of the three-way catheter is further improved.

In summary, the sterile infusion connector structure is arranged on the flushing interface, the needle is directly inserted into the sterile infusion connector structure, multiple punctures to the flushing interface are avoided, the connection is safe and fast and reliable, the flushing interface is in a sealing state when not flushing, air is isolated, leakage of the flushing interface can be effectively prevented, and great convenience is brought to the flushing operation of the bladder of a patient.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A three-way catheter with a sterile infusion joint structure comprises a catheter body, wherein a catheter hole is formed in one end of the catheter body, which is inserted into a bladder of a patient, and a drainage interface connected with a drainage bottle is arranged at the other end of the catheter body;

the catheter is characterized in that a flushing interface is arranged on the other side of the other end of the catheter body, and a sterile transfusion joint structure which is convenient for inserting a needle head into the upper part of the flushing interface is arranged on the flushing interface;

the sterile infusion connector structure comprises a connector shell, the outer side of the connector shell is sleeved on the flushing connector, an injection runner is arranged in the connector shell along the axis direction of the connector shell, a sterile rubber plug is arranged at the upper end of the connector shell and at the inlet of the injection runner, and an injection pipeline communicated with the outlet of the injection runner is arranged at the lower end of the connector shell.

2. A three-way catheter with sterile infusion set structure as in claim 1, wherein: the outer peripheral surface of the lower end of the connector housing is provided with a fixing boss which is sleeved on the flushing connector, and the outer diameter of the fixing boss is larger than that of the connector housing.

3. A three-way catheter with sterile infusion set structure as in claim 1, wherein: the sterile rubber plug is manufactured by adopting a sterile rubber material.