CN215505067U

CN215505067U - Double-cavity drainage catheter capable of being submerged under skin

Info

Publication number: CN215505067U
Application number: CN202121475820.8U
Authority: CN
Inventors: 杨平平; 胡豪杰; 陶壮; 戴绪忠
Original assignee: Shandong Gredmedic Co ltd
Current assignee: Shandong Gredmedic Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2022-01-14
Anticipated expiration: 2031-06-30

Abstract

The application provides a double-cavity drainage catheter capable of performing subcutaneous walk, which solves the technical problem that the tail end of the existing double-cavity drainage catheter cannot perform subcutaneous walk; the drainage catheter comprises a drainage catheter main body, wherein two parallel passages, namely a main pipe passage and a branch pipe passage, are formed in the drainage catheter main body in a separated mode, and drainage holes are formed in the side walls, close to the front end, of the main pipe passage and the branch pipe passage; a connecting section which can be torn is arranged between the tail end of the branch pipe passage and the main pipe passage. But this application wide application in medical drainage device technical field.

Description

Double-cavity drainage catheter capable of being submerged under skin

Technical Field

The application relates to a double-cavity drainage catheter, in particular to a double-cavity drainage catheter capable of being submerged under the skin.

Background

In the clinical treatment process, a commonly used drainage tube is a single-cavity drainage catheter, such as a single-cavity cranial cerebral tube, after the drainage tube is placed, a part exposed out of a human body is pulled by using a subcutaneous traction needle, the tail end of the catheter is pulled by using a subcutaneous operation according to the operation of an operation suture line, and the incidence rate of intracranial infection can be obviously reduced by fixing the drainage catheter far away from a wound in the subcutaneous operation. And for the double-cavity cranial cerebral tube additionally provided with the other cavity access, the other cavity access is mainly used for infusing anticoagulant and hematoma medicines. The main pipe at the tail end of the double-cavity cranial cerebral pipe and the branch pipe are in a separated state (Y shape), so that the implementation and application of subcutaneous sneak are limited: the tail end of the double-cavity drainage catheter is provided with a luer connector and a protective cap or a heparin cap, a subcutaneous sneak traction needle cannot be connected, even if the subcutaneous sneak traction needle has great injury to tissues, once the subcutaneous sneak traction needle is skillfully formed, the clinical infection probability is increased.

Disclosure of Invention

In order to solve the above problems, the technical scheme adopted by the application is as follows: the double-cavity drainage catheter capable of subcutaneous operation comprises a drainage catheter main body, wherein two parallel passages, namely a main pipe passage and a branch pipe passage, are formed in the drainage catheter main body in a separated mode, and drainage holes are formed in the side walls, close to the front end, of the main pipe passage and the branch pipe passage; a connecting section which can be torn is arranged between the tail end of the branch pipe passage and the main pipe passage.

Preferably, the tail end of the main pipe passage extends backwards to form a connecting pipeline, and the connecting pipeline is of a cylindrical structure in appearance.

Preferably, the outer diameter of the connecting line is the same as the outer diameter of the drainage catheter body.

Preferably, a transition pipeline is arranged between the main pipeline passage and the connecting pipeline.

Preferably, the tearable connection segment comprises a tearable segment and a non-connection segment, the non-connection segment being located at a front side of the tearable segment.

Preferably, the tear-off segment has a length of 2-3 mm.

The drainage catheter has the advantages that the main catheter body and the branch catheter body are separated to form a main catheter passage and a branch catheter passage which are parallel to each other, and a connecting section which can be torn is arranged between the tail end of the branch catheter passage and the main catheter passage. In the operation process, after the drainage catheter main body is successfully placed, the tail end of the drainage catheter main body is matched with the subcutaneous traction needle to perform subcutaneous sneak motion, the drainage catheter main body is fixed at a position far away from a wound, the subcutaneous traction needle is taken down, the tearable connecting section is torn, the branch pipeline is torn off from the drainage catheter main body, the main pipeline and the branch pipeline can respectively perform drainage and medicine injection or flushing, the operation is convenient, and the clinical infection probability is effectively reduced. The arrangement of the tearable connecting section can effectively ensure that the main pipe passage and the branch pipe passage are in an integrated structure before subcutaneous sneak driving, thereby ensuring that the main pipe passage and the branch pipe passage simultaneously penetrate through the skin; and after subcutaneous sneak, the branch passage end is easily separated from the main passage.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of C-C of FIG. 1;

fig. 4 is an enlarged schematic view at I of fig. 3.

The symbols in the drawings illustrate that:

1. a main pipe passage; 2. a branch passage; 3. a drainage hole; 4. a drainage catheter body; 5. connecting a pipeline; 6. a transition pipeline; 7. a tearable segment; 8. a non-connected segment.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

The subcutaneous double lumen drainage catheter provided by the embodiments of the present application will now be described.

Referring to fig. 1 and fig. 3, the double-lumen drainage catheter capable of subcutaneous migration is shown in a schematic structural view, and includes a drainage catheter main body 4, two parallel passages are formed in the drainage catheter main body 4, which are a main pipe passage 1 and a branch pipe passage 2, respectively, and drainage holes 3 are formed in the side walls of the main pipe passage 1 and the branch pipe passage 2 near the front ends; a connecting section which can be torn is arranged between the tail end of the branch pipe passage 2 and the main pipe passage 1.

In the operation process, after the drainage catheter main body 4 is successfully placed, the tail end of the drainage catheter main body 4 is matched with the subcutaneous traction needle to perform subcutaneous sneak, the drainage catheter main body 4 is fixed at a position far away from a wound, the subcutaneous traction needle is taken down, the tearable connecting section is torn, the branch pipe passage 2 is torn off from the drainage catheter main body 4, the main pipe passage 1 and the branch pipe passage 2 can respectively perform drainage and drug injection or flushing, the operation is convenient, and the clinical infection probability is effectively reduced.

The arrangement of the tearable connecting section can effectively ensure that the main pipe passage 1 and the branch pipe passage 2 are in an integral structure before subcutaneous sneak, thereby ensuring that the main pipe passage 1 and the branch pipe passage 2 simultaneously penetrate through the skin; and after subcutaneous sneak, the end of the branch passage 2 is easily separated from the main passage 1.

Further, in the present embodiment, since the main tube passage 1 is partitioned by the drainage catheter main body 4, and the outer shape thereof is not generally a regular cylindrical structure (refer to fig. 2), in order to facilitate connection with other connectors, a connection tube 5 extends rearward from the end of the main tube passage 1, and the outer shape of the connection tube 5 is a cylindrical structure for connection with a hypodermic needle or other connectors.

Furthermore, in the embodiment, the outer diameter of the connecting pipeline 5 is the same as that of the drainage catheter main body 4, so that the outer diameter of the whole drainage pipeline is basically consistent in the process of subcutaneous sneak, and unnecessary injury to a patient caused by the change of the outer diameter is avoided.

Further, in the present embodiment, a transition pipe 6 is provided between the main pipe passage 1 and the connecting pipe 5, and the transition pipe 6 connects the main pipe passage 1 and the connecting pipe 5 having different outer diameters and inner diameters.

Furthermore, in this embodiment, please refer to fig. 3 and 4, the tearable connection section includes a tearable section 7 and a non-connection section 8, the non-connection section 8 is located at the front side of the tearable section 7, during the operation, the tearable section 7 tears the end of the branch passage 2 from the drainage tube main body, so that the end of the branch passage 2 is separated from the main passage 1, the non-connection section 8 at the front side of the tearable section 7 further increases the separation degree between the branch passage 2 and the main passage 1, and the end of the branch passage 2 is conveniently connected to other connectors for drug injection or flushing.

Furthermore, in the embodiment, the length of the tearable segment 7 is 2-3mm, and during operation, the tearable segment 7 can be easily torn, so that the vibration of the drainage catheter is reduced as much as possible, and the wound of the patient is reduced.

The length of the non-connecting section 8 can be designed according to specific needs, specifically, in the embodiment, the total length of the drainage catheter is 360mm, and the length of the non-connecting section 8 is about 100 mm.

The drainage catheter is simple in structure, a main pipe passage 1 and a branch pipe passage 2 which are parallel to each other are formed in a drainage catheter body 4 in a separated mode, and a connecting section which can be torn is arranged between the tail end of the branch pipe passage 2 and the main pipe passage 1. In the operation process, after the drainage catheter main body 4 is successfully placed, the tail end of the drainage catheter main body 4 is matched with the subcutaneous traction needle to perform subcutaneous sneak, the drainage catheter main body 4 is fixed at a position far away from a wound, the subcutaneous traction needle is taken down, the tearable connecting section is torn, the branch pipe passage 2 is torn off from the drainage catheter main body 4, the main pipe passage 1 and the branch pipe passage 2 can respectively perform drainage and drug injection or flushing, the operation is convenient, and the clinical infection probability is effectively reduced. The arrangement of the tearable connecting section can effectively ensure that the main pipe passage 1 and the branch pipe passage 2 are in an integral structure before subcutaneous sneak, thereby ensuring that the main pipe passage 1 and the branch pipe passage 2 simultaneously penetrate through the skin; and after subcutaneous sneak, the end of the branch passage 2 is easily separated from the main passage 1.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.

Claims

1. The utility model provides a but two-chamber drainage catheter of subcutaneous migration which includes the drainage catheter main part, its characterized in that: the drainage catheter main body is internally divided into two parallel passages, namely a main pipe passage and a branch pipe passage, and drainage holes are formed in the side walls of the main pipe passage and the branch pipe passage close to the front ends; and a tearable connecting section is arranged between the tail end of the branch pipe passage and the main pipe passage.

2. The subcutaneously submersible dual-lumen drainage catheter of claim 1, wherein: the tail end of the main pipe passage extends backwards to form a connecting pipeline, and the connecting pipeline is of a cylindrical structure.

3. The subcutaneously submersible dual-lumen drainage catheter of claim 2, wherein: the outer diameter of the connecting pipeline is the same as that of the drainage catheter main body.

4. The subcutaneously submersible dual-lumen drainage catheter of claim 2, wherein: a transition pipeline is arranged between the main pipeline passage and the connecting pipeline.

5. The subcutaneously submersible dual-lumen drainage catheter of any of claims 1-4, wherein: the tearable connection section includes a tearable section and a non-connection section, the non-connection section being located at a front side of the tearable section.

6. The subcutaneously submersible dual-lumen drainage catheter of claim 5, wherein: the length of the tear-off section is 2-3 mm.