CN219307682U

CN219307682U - Catheter with flexible metal guide wire

Info

Publication number: CN219307682U
Application number: CN202222531957.1U
Authority: CN
Inventors: 孟猛; ***
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-25
Filing date: 2022-09-25
Publication date: 2023-07-07
Anticipated expiration: 2032-09-25

Abstract

The utility model provides a catheter with a flexible metal guide wire, which belongs to the technical field of catheters and comprises a cavity-splitting catheter assembly, wherein the cavity-splitting catheter assembly comprises a catheter body, one side close to the front end of the catheter body is sleeved with an annular air bag, the rear end of the catheter body is provided with a connector, a catheter cavity and an air injection cavity are arranged in the catheter body, an air injection pipeline is arranged in the air injection cavity, the metal guide wire is arranged in the catheter cavity, and the front end of the metal guide wire is provided with a connecting block and a hemispherical protruding block on the connecting block.

Description

Catheter with flexible metal guide wire

Technical Field

The utility model mainly relates to the technical field of catheters, in particular to a catheter with a flexible metal guide wire.

Background

The catheter 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 remain in the bladder, so that the catheter is not easy to fall out, the drainage tube is connected with a urine bag to collect urine, and a metal guide wire in the catheter mainly plays a guiding role, so that medical staff can conveniently insert into the bladder of a patient.

Among the catheters that exist today, among the technical structure of application number CN202122392663.0 application, for example, including urethral dilator, seal wire cover and catheter, urethral dilator includes arc portion, hollow channel and afterbody, arc portion cavity is crooked, and the front end is sealed, adopts the round head structure, the lateral wall department of arc portion front end is equipped with the diapire guide hole that is used for the seal wire to pass through and is used for the lateral wall guide hole of drainage urine. The guide wire sleeve comprises a guide wire and a guide wire pipe, and the guide wire is provided with a guide wire head and a guide wire body. The catheter comprises a catheter head, a drainage channel and a catheter tail, wherein the catheter head is provided with a catheter front hole and a side hole, and the catheter is used for guiding out urine of a patient, but the channel for injecting air into the air bag in the inner cavity of the catheter is easily damaged in the process of inserting the catheter due to the fact that the guide wire is thinner.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly mainly provides a catheter with a flexible metal guide wire, which is used for solving the technical problem in the prior art.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a catheter with flexible metal seal wire, includes divides the chamber catheterization subassembly, divide the chamber catheterization subassembly to include the catheter body, just catheter body front end equidistant encircleing is provided with eight catheterization holes, is close to catheter body front end one side has cup jointed annular gasbag, just catheter body rear end is provided with the connector, be provided with gas injection branch pipe and urination branch pipe on the connector, this internal catheterization chamber and the gas injection chamber of being provided with of catheter, be provided with the gas injection pipeline in the gas injection chamber, gas injection pipeline front end is connected with annular gasbag's air inlet, the catheterization intracavity is provided with the metal seal wire, the metal seal wire front end is provided with the hemispherical lug on connecting block and the connecting block, be provided with elasticity annular seal fixture block on the lateral wall of connecting block, elasticity annular seal fixture block joint has annular groove, annular groove sets up on the connector inner wall.

Further, a smooth protective coating is arranged on the outer wall of the metal guide wire.

Further, the rear end of the metal guide wire is provided with a handle, and the handle is provided with an anti-slip coating.

Further, the front end of the catheter body is hemispherical, and the rear end of the catheter body is open.

Further, one end, far away from the annular air bag, of the air injection pipeline is connected with the lower end of the air injection branch pipe.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model realizes the separation of the inner space of the catheter body through the catheter body, the catheter cavity and the gas injection cavity, separates the metal guide wire from the gas injection pipeline, effectively avoids damaging the gas injection pipeline in the process of inserting and extracting the metal guide wire, ensures that the annular air bag can not be filled to position the catheter body, wraps the metal guide wire by the smooth protective coating and the hemispherical convex block, avoids the sharp part at the front end from puncturing the pipe wall,

and through connecting block, elastic annular seal fixture block and annular groove for before patient's catheterization, pulling metal seal wire pulls in the connector position with the connecting block, elastic annular seal fixture block card goes into annular groove, carries out the shutoff to the catheter body end with the hookup location of metal seal wire, avoids at the in-process of urination, from the place weeping outside the urination branch pipe, has certain practical value.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the catheter body connection structure of the present utility model;

FIG. 3 is a schematic diagram of a metal wire connection structure according to the present utility model;

fig. 4 is a schematic cross-sectional view showing the internal structure of the catheter body of the present utility model.

In the figure: 1. a cavity-dividing urethral catheterization assembly; 11. a catheter body; 111. a urinary catheterization cavity; 112. a gas injection cavity; 113. a urine guiding hole; 12. an annular air bag; 13. a connector; 131. a gas injection branch pipe; 132. a urination branch pipe; 133. an annular groove; 14. an air injection pipeline; 15. a metal guide wire; 151. a lubricious protective coating; 16. a connecting block; 161. hemispherical bumps; 162. an elastic annular sealing clamping block; 17. a handle; 171. an anti-slip coating.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, a catheter with flexible metal guide wire is provided, which comprises a cavity-splitting catheter assembly 1, the cavity-splitting catheter assembly 1 comprises a catheter body 11, and eight catheter holes 113 are formed in the front end of the catheter body 11 in an equidistant surrounding manner, an annular air bag 12 is sleeved on one side of the front end of the catheter body 11, a connector 13 is arranged at the rear end of the catheter body 11, an air injection branch pipe 131 and a urination branch pipe 132 are arranged on the connector 13, a catheter cavity 111 and an air injection cavity 112 are arranged in the catheter body 11, an air injection pipeline 14 is arranged in the air injection cavity 112, the front end of the air injection pipeline 14 is connected with an air inlet of the annular air bag 12, a metal guide wire 15 is arranged in the catheter cavity 111, an elastic annular sealing clamping block 162 is arranged on the side wall of the connecting block 16, an annular groove 133 is clamped on the annular groove 133, and the annular groove 133 is arranged on the inner wall of the connector 13.

The structure realizes the cavity separation of the inner space of the catheter body 11 through the cavity separation catheterization assembly 1, effectively avoids damaging the gas injection pipeline 14 in the process of inserting and extracting the metal guide wire 15, so that the annular air bag 12 cannot be filled to position the catheter body 11, can seal the interface of the inserted metal guide wire 15 before catheterization of a patient, avoids liquid leakage from a place beyond the urination branch pipe 132 in the process of urination, and has certain practical value;

the specific operation is as follows, firstly, whether each part is damaged is checked, after the situation that the parts are damaged is ensured, the metal guide wire 15 is inserted into the urethral catheterization cavity 111 of the urethral catheter body 11 from the position of the connector 13 at the rear end of the urethral catheter body 11, the hemispherical convex block 161 is moved to the forefront end of the urethral catheterization cavity 111, then the urethral catheter body 11 is inserted into the urethra of a patient, the front end of the urethral catheter body 11 is inserted into the bladder of the patient, then the gas injection branch pipe 131 is inflated through a syringe (the conventional device is not shown in the figure), then the gas enters the annular air bag 12 through the gas injection pipeline 14, then the annular air bag 12 is propped up, the urethral catheter body 11 is positioned, then the handle 17 is pinched, the metal guide wire 15 is pulled, the connecting block 16 is pulled into the position of the connector 13, the elastic annular sealing clamping block 162 is clamped into the annular groove 133, the tail end of the urethral catheter body 11 is blocked, and if the patient needs to urinate, the urethral catheter body 11 enters the urethral catheterization cavity 111 through the urethral catheter hole 113, and then the urination branch pipe 132 is discharged.

Referring to fig. 3 and 4, the outer wall of the metal guide wire 15 is provided with a smooth protective coating 151, and the smooth protective coating 151 protects the metal guide wire 15, reduces friction force with the inner wall of the urinary catheter 111, facilitates insertion and extraction of the metal guide wire 15, ensures that the operation process of medical staff is smoother, improves the working efficiency,

the utility model discloses a catheter, including metal seal wire 15, handle 17, gas injection pipeline 14, annular gasbag 12 one end and gas injection branch pipe 131 lower extreme interconnect are kept away from to gas injection pipeline 14, through the anti-skidding coating 171 on handle 17 and the handle 17, be convenient for medical personnel pinch metal seal wire 15 to make things convenient for the control to metal seal wire 15, the front end of catheter body 11 is the hemisphere, and the rear end opening, through the hemisphere of catheter body 11 front end, reduce the damage that catheter body 11 brought from the in-process of urethra insertion bladder, gas injection branch pipe 131 and gas injection pipeline 14 have been realized the inflation and the gas leakage of annular gasbag 12 with the syringe.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The utility model provides a catheter with flexible metal seal wire, includes divides chamber catheterization subassembly (1), its characterized in that, divide chamber catheterization subassembly (1) to include catheter body (11), just catheter body (11) front end equidistant surrounding is provided with eight urine guiding hole (113), is close to catheter body (11) front end one side has cup jointed annular gasbag (12), just catheter body (11) rear end is provided with connector (13), be provided with gas injection branch pipe (131) and urination branch pipe (132) on connector (13), be provided with catheter cavity (111) and gas injection cavity (112) in catheter body (11), be provided with gas injection pipeline (14) in gas injection cavity (112), gas injection pipeline (14) front end is connected with the air inlet of annular gasbag (12), be provided with metal seal wire (15) in catheter cavity (111), metal seal wire (15) front end is provided with hemispherical lug (161) on connecting block (16) and (16), be provided with annular seal joint (133) on annular groove (133) on connecting block (16).

2. A catheter with a flexible metal wire according to claim 1, characterized in that the outer wall of the metal wire (15) is provided with a smooth protective coating (151).

3. A catheter with a flexible metal wire according to claim 1, characterized in that the rear end of the metal wire (15) is provided with a handle (17) and that the handle (17) is provided with an anti-slip coating (171).

4. A catheter with a flexible metal guidewire according to claim 1, characterized in that the catheter body (11) is hemispherical at the front end and open at the rear end.

5. A catheter with a flexible metal guidewire according to claim 1, characterized in that the end of the gas injection conduit (14) remote from the annular balloon (12) is interconnected with the lower end of the gas injection branch (131).